Forschungspublikationen

Bulls SE, Platner L, Ayub W, Moreno N, Arditi JP, Dreyer S, McCain S, Wagner P, Burgstaller S, Davis LR, Bruins-van Sonsbeek LG. Cancer prevalence is related to body mass and lifespan in tetrapods and remarkably low in turtles. bioRxiv. 2022 Jul 14:2022-07. https://www.biorxiv.org/content/10.1101/2022.07.12.499088v2 (in review) https://doi.org/10.1101/2022.07.12.499088 

Fröhlich M, van Noordwijk MA, Mitra Setia T, van Schaik CP, Knief U. Wild and captive immature orangutans differ in their non-vocal communication with others, but not with their mothers. Behavioral Ecology and Sociobiology. 2024 Jan; 78(1): 12. https://doi.org/10.1007%2Fs00265-023-03426-3 

Geckeler C, Aucone E, Schnider Y, Simeon A, von Bassewitz JP, Zhu Y, Mintchev S. Learning Occluded Branch Depth Maps in Forest Environments using RGB-D Images. IEEE Robotics and Automation Letters. 2024 https://doi.org/10.1109/lra.2024.3355632 

Kamare B, Preti ML, Bernardeschi I, Lantean S, Dagenais P, Milinkovitch M, Beccai L. Study and Preliminary Modeling of Microstructure and Morphology of the Elephant Trunk Skin. Conference on Biomimetic and Biohybrid Systems. 2023 Jul; 10: 101-114. http://dx.doi.org/10.1007/978-3-031-39504-8_7 

Kleinlugtenbelt CLM, Burkevica A, Clauss M (2023) Large carnivore feeding in European zoos. Der Zoologische Garten NF 91: 9-39 https://www.vdz-zoos.org/fileadmin/Zooga/Volume_91_1/Kleinlugtenbelt_et_al_2023_Large_carnivore_feeding_in_European_zoos_ZooGart_91-1.pdf 

Kleinlugtenbelt CLM, Burkevica A, Clauss M (2023) Body condition scores of large carnivores in 44 European zoos. Journal of Zoo and Aquarium Research 11: 414-421 https://doi.org/10.19227/jzar.v11i4.741 

Kleinlugtenbelt CLM, Clauss M, Burkevica A, De Cuyper A (2023) Fasted and furious? Considerations on the use of fasting days in large carnivore husbandry. Journal of Zoo and Aquarium Research 11:318-323 https://doi.org/10.19227/jzar.v11i3.713 

Ramos-Madrigal J, Sun X, Sinding MS, Martins NF, Ciucani MM, Mak SS, Lanigan LT, Clausen CC, Bhak J, Jeon S, Kim C. Conservation implications of elucidating the Korean wolf taxonomic ambiguity through whole-genome sequencing. Ecology and Evolution. 2023 Aug; 13(8): e10404 https://doi.org/10.1002/ece3.10404 

Sehner S, Willems EP, Baumeyer A, Davis L, van Schaik CP, Burkart JM. The evolution of information donation: A targeted comparison between marmosets and squirrel monkeys. PREPRINT (Version 1) available at Research Square. 2023 Jan; (in review). https://doi.org/10.21203/rs.3.rs-2498407/v1 

Schiffmann C, Hellriegel L, Clauss M, Stefan B, Knibbs K, Wenker C, Hård T, Galeffi C. From left to right all through the night: Characteristics of lying rest in zoo elephants. Zoo Biology. 2023 Jan;42(1):17-25. https://doi.org/10.1002/zoo.21693

Çilingir FG, A'Bear L, Hansen D, Davis LR, Bunbury N, Ozgul A, Croll D, Grossen C. Chromosome-level genome assembly for the Aldabra giant tortoise enables insights into the genetic health of a threatened population. GigaScience. 2022 Oct 11;11.  https://doi.org/10.1093/gigascience/giac090

Joshi A, Young D, Huang L, Mosberger L, Munk B, Vinzelj J, Flad V, Sczyrba A, Griffith GW, Podmirseg SM, Warthmann R. Effect of Growth Media on the Diversity of Neocallimastigomycetes from Non-Rumen Habitats. Microorganisms. 2022 Oct 5;10(10):1972. https://www.mdpi.com/2076-2607/10/10/1972

Sehner S, Willems EP, Baumeyer A, Davis L, van Schaik CP, Burkart JM. The evolution of information donation: A targeted comparison between marmosets and squirrel monkeys. https://www.researchsquare.com/article/rs-2498407/v1

Fröhlich M, van Schaik CP. Social tolerance and interactional opportunities as drivers of gestural redoings in orang-utans. Philosophical Transactions of the Royal Society B. 2022 Sep 12;377(1859):20210106. https://royalsocietypublishing.org/doi/10.1098/rstb.2021.0106

Fröhlich M, van Schaik CP, van Noordwijk MA, Knief U. Individual variation and plasticity in the infant-directed communication of orang-utan mothers. Proceedings of the Royal Society B. 2022 May 25;289(1975):20220200. https://doi.org/10.1098/rspb.2022.0200 

Perrin K, Lopez J, Molenaar F, Titus SE, Trimpert J, Abdelgawad A, Clauss M, Schiffman C. Current surveillance practices for shedding of elephant endotheliotropic herpesviruses in breeding and bachelor Asian elephant Elephas maximus herds in Europe. Journal of Zoo and Aquarium Research. 2022 Oct 31;10(4):183-7. https://doi.org/10.19227/jzar.v10i4.665 

Štefanić S, Grimm F, Mathis A, Winiger R, Verhulst NO. Xenosurveillance proof-of-principle: Detection of Toxoplasma gondii and SARS-CoV-2 antibodies in mosquito blood meals by (pan)-specific ELISAs. Current Research in Parasitology & Vector-Borne Diseases. 2022 Jan 1;2:100076. https://doi.org/10.1016/j.crpvbd.2022.100076 

Balasubramaniam KN, Kaburu SS, Marty PR, Beisner BA, Bliss‐Moreau E, Arlet ME, Ruppert N, Ismail A, Anuar Mohd Sah S, Mohan L, Rattan S (2021) Implementing social network analysis to understand the socioecology of wildlife co‐occurrence and joint interactions with humans in anthropogenic environments. Journal of Animal Ecology  90,12: 2819-2833.

Cerling TE, Bernasconi SM, Hofstetter LS, Jaggi M, Wyss F, Rudolf von Rohr C, Clauss M. (2021) M. CH4/CO2 ratios and carbon isotope enrichment between diet and breath in herbivorous mammals. Frontiers in Ecology and Evolution. May 28;9:638568.

Clauss M, Scriba M, Kioko J, Ganzhorn JU, Kiffner C (2021) Camera trap data do not indicate scaling of diel activity and cathemerality with body mass in an East African mammal assemblage. Ecology and Evolution 11: 13846-13861

Clauss M, Trümpler J, Ackermans NL, Kitchener AC, Hantke G, Stagegaard J, Takano T, Shintaku Y, Matsuda I (2021) Macroscopic digestive anatomy of ring-tailed lemurs (Lemur catta), including a comparison of frozen and formalin-stored specimens. Primates 62: 431-441

Clauss M, Zerbe P, Bingaman Lackey L, Codron D, Müller DWH (2021) Basic considerations on seasonal breeding in mammals including their testing by comparing natural habitats and zoos. Mammalian Biology 101: 373-386

Clavadetscher I, Bond ML, Martin LF, Schiffmann C, Hatt J-M, Clauss M (2021) Development of an image-based body condition score for giraffes (Giraffa camelopardalis) and a comparison of zoo-housed and free-ranging individuals. Journal of Zoo and Aquarium Research 9: 170-185

Heldstab SA, van Schaik CP, Müller DWH, Rensch E, Bingaman Lackey L, Zerbe P, Hatt J-M, Clauss M, Matsuda I (2020) Reproductive seasonality in primates: patterns, concepts and unsolved questions. Biological Reviews 96: 66-88

Roller M, Müller DWH, Bertelsen MF, Bingaman Lackey L, Hatt J-M, Clauss M (2021) The historical development of juvenile mortality and adult longevity in zoo-kept carnivores. Zoo Biology (online) doi 10.1002/zoo.21639

Wendler P, Ertl N, Flügger M, Sós E, Hatt J-M, Clauss M (2021) Foot care in Asian elephants (Elephas maximus) in European zoos. Der Zoologische Garten NF

Clauss M, Dittmann MT, Vendl C, Hagen KB, Frei S, Ortmann S, Müller DWH, Hammer S, Munn AJ, Schwarm A, Kreuzer M (2020) Comparative methane production in mammalian herbivores. Animal 14: s113-s123

Crottini A, Rosa GM, Penny SG, Cocca W, Holderied MW, Rakotozafy LMS, Andreone F (2020): A new stump-toed frog from the transitional forests of NW Madagascar (Anura, Microhylidae, Cophylinae, Stumpffia). ZooKeys 933: 139-164. (Froschauer-Frosch)

De Cuyper A, Meloro C, Abraham AJ, Müller DWH, Codron D, Janssens GPJ, Clauss M (2020) The uneven weight distribution between predators and prey: comparing gut fill between terrestrial herbivores and carnivores. Comparative Biochemistry and Physiology A 243: 110683

Ertl N, Wendler P, Sós E, Flügger M, Schneeweis F, Schiffmann C, Hatt J-M, Clauss M (2020) Theory of medical scoring systems and a practical model for the foot health of Asian elephants (Elephas maximus) in European zoos. Animal Welfare 29: 163-176

Hatt JM (2020) Zoos können dazu beitragen, dass sich eine solche Epidemie nicht mehr wiederholt. Zürcher Zentrum für Integrative Humanphysiologie (ZIHP). https://www.zihp.uzh.ch/en/Coronavirus/Zoos-und-Coronavirus.html

Hatt JM (2020) Wenn es Zoos nicht gäbe, müsste man sie schleunigst erfinden. Interview mit Severin Dressen. VetsuisseNEWS 2: 20

Hatt JM (2020) Biotop- und Artenschutz sind zentrale Anliegen. https://seniorweb.ch/2020/04/17/biotop-und-artenschutz-sind-zentrale-anliegen/

Hejcmanová P, Ortmann S, Stoklasová L, Clauss M (2020) Digesta passage in common eland (Taurotragus oryx) on a monocot or a dicot diet. Comparative Biochemistry and Physiology A 246:110720

Heldstab SA, van Schaik CP, Müller DWH, Rensch E, Bingaman Lackey L, Zerbe P, Hatt J-M, Clauss M, Matsuda I (2020) Reproductive seasonality in primates: patterns, concepts and unsolved questions. Biological Reviews (online) doi 10.1111/brv.12646

Hohl CJM, Codron D, Kaiser TM, Martin LF, Müller DWH, Hatt J-M, Clauss M (2020) Chewing, dental morphology and wear in tapirs (Tapirus spp.) and a comparison of free-ranging and captive specimens. PLoS One 15: e0234826
Honegger, RE (2020) Der Frosch des Herrn Froschauer und weitere Zürcher Persönlichkeiten. Herrn Dr. med. vet. A. Rübel, Direktor Zoo Zürich (199-2020), zum 65. Geburtstag am 5. Mai. Elaphe 2/2020: 48-54

Isenbügel E (2020) Gangarten in Unterschiede in der Anatomie von Esel/Muli und Pferd von Wissdorf H et al. utzverlag GmbH, München

Kummrow MS, Baxter R, Mastromonaco G, Bunbury N, Clauss M, Hansen D, Hatt J-M (2020) Changes in plasma oestradiol, testosterone and progesterone concentrations during an annual reproductive cycle in wild Aldabra giant tortoises (Aldabrachelys gigantea). Herpetological Journal 30:197-201

Loddenkemper D (2020) Foundation for Bat Conservation, Switzerland – Zoo Zürich. 
Zooquaria 110: 23
Ostfeld N, Tahas SA, Hatt J-M, Hilbe M (2020) Primary ganglioneuroblastoma in a red deer (Cervus elaphus). Veterinary Record Case Reports 8: e001078

Rübel, A (2020) Biblisch. Gastkommentar in ideaSpektrum:19.2020, 3

Rübel, A (2020) Von der Tierschau zum Naturschutzzentrum. Vierteljahresschrift der Naturforschenden Gesellschaft in Zürich: 165, (2), 4-7

Rübel A (2020) Eine Bilanz der Ära Dr. Alex Rübel: Zoo Zürich im 9. Rigi-Symposium, Verhandlungsbericht, 60-63

Schiffmann C, Hård T, Hjelm M, Clauss M (2020) Soft and persistent – The influence of sand-flooring and calves on the resting behavior of a zoo-kept African elephant (Loxodonta africana) group. Zoo Biology 39: 56-62

Schiffmann C, Clauss M, Hoby S, Hatt J-M (2020) Weigh and see – body mass recordings versus body condition scoring (BCS) in zoo elephants (Loxodonta africana and Elephas maximus). Zoo Biology 39: 97-108

Stutz, Hans-Peter und Alex Rübel (2020): Lob der Fledermaus. Die Weltwoche vom 28.5.2020

Tidière M, Duncan P, Lemaître J-F, Gaillard J-M, Bingaman Lackey L, Müller DWH, Clauss M (2020) Do equids live longer than grazing bovids? Journal of Mammalian Evolution 27: 809-816

Wendler P, Ertl N, Flügger M, Sós E, Torgerson P, Heym PP, Schiffmann C, Clauss M, Hatt J-M (2020) Influencing factors on the foot health of captive Asian elephants (Elephas maximus) in European zoos. Zoo Biology 39: 109-120
 

Ackermann M, Hatt J-M (2019). To treat or not to treat? Veterinary Record Case Reports 7: e000847.

Carisch L, Stirn M, Hatt J-M, Federer K, Hofmann-Lehmann R, Riond B (2019). White blood cell count in birds: evaluation of a commercially available method. BMC Veterinary Research 15: 93.

Clauss M, Hagen KB, Frei S, Ortmann S, Lawrenz A, Głogowski R, Fritz J, Flach EJ, Kreuzer M (2019). Digestive anatomy, physiology, resting metabolism and methane production in captive maras (Dolichotis patagonum). Comparative Biochemistry and Physiology A 235: 82-89.

Croci M, Klausmann S, Hatt J-M, Schmitt S, Hilbe M (2019) Chromoblastomycosis in two giant ditch frogs also known as mountain chicken frogs (Leptodactylus fallax). Veterinary Record Case Reports 7: e000691.

Del Castillo, D (2019). Who is Present? Individuality in the Call Structure of the Eurasian Otter (Lutra lutra) Whistle. Master Thesis, Universität Zürich.

Derix J, Ortmann S, Wiegmann L, Lawrenz A, Janssens GPJ, Clauss M (2019). Retention of solutes and particles in the gastrointestinal tract of a grazing cervid: Père David’s deer (Elaphurus davidianus). European Journal of Wildlife Research 65:46.

Galeffi C & Rübel A (2019). Mixed species exhibit of Andean Bears (Tremarctos ornatus) and South-American Coatis (Nasua nasua) in the «Sangay mountainous cloud forest» at Zoo Zurich: a review of 21 years of the enclosure’s operation. Published in: Of Bears And Men: Conclusions of the 1st International Bear Meeting IBEAR. Haupt Verlag.

Gutnick T, Weissenbacher A, Kuba MJ (2019). The underestimated giants: operant conditioning, visual discrimination and long-term memory in giant tortoises. Animal Cognition, https://doi.org/10.1007/s10071-019-01326-6.

Hagen KB, Frei S, Ortmann S, Głogowski R, Kreuzer M, Clauss M. (2019) Digestive physiology, resting metabolism and methane production of captive juvenile nutria (Myocastor coypus). European Journal of Wildlife Research 65: 2.

Hagen KB, Hammer S, Frei S, Ortmann S, Głogowski R, Kreuzer M, Clauss M (2019). Digestive physiology, resting metabolism and methane production of captive Indian crested porcupine (Hystrix indica). Journal of Animal and Feed Sciences 28: 69-77.

Hatt J-M, Kummrow M, Wenger S, Clauss M (2019). Orchiectomy in Testudo species: technical aspects and effect on courtship behaviour. Veterinary Record 184: 555-560.

Honegger RE (2019). Warum kam die «Schöne Griechin» in meine Küche? Eine Zeitreise in andere Epochen – eine nicht so heitere Spurensuche in: Sekretär Beiträge zur Literatur und Geschichte der Herpetologie und Terrarienkunde Vol. 19 2018 (recte: 2019).

Honegger RE, Grossenbacher K (2019). Wie es zur Gründung der Koordinationsstelle für Amphibien- und Reptilienschutz in der Schweiz (KARCH) kam. Festschrift 40 Jahre Karch.

Kiani A, Clauss M, Ortmann S, Vendl C, Congdon ER, Herrera EA, Kreuzer M, Schwarm A (2019). Digestive physiology of captive capybara (Hydrochoerus hydrochaeris). Zoo Biology 38:167-179.

Novacco M, Hofmann-Lehmann R, Hetzel U, Hatt J-M, Ohlert S, Stirn M (2019). Lipoid pneumonia in an orangutan (Pongo abelii) with chronic respiratory problems. Journal of Medical Primatology 48: 133-136.

Przybyło M, Hummel J, Ortmann S, Codron D, Kohlschein G-M, Kilga D, Smithyman J, Przybyło U, Świerk S, Hammer S, Hatt J-M, Górka P, Clauss M (2019). Digesta passage in nondomestic ruminants: separation mechanisms in «moose-type» and «cattle-type» species, and seemingly atypical browsers. Comparative Biochemistry and Physiology A 235: 180-192.

Pucora E, Schiffmann C, Clauss M (2019). Resting postures in terrestrial mammalian herbivores. Journal of Mammalogy 100: 552-563.

Rübel A (2019). Es geht ums Überleben. Ein Gespräch mit Alex Rübel. Zwei – ein Magazin von Pfizer Deutschland II, 2019, S. 26-26.

Schiffmann C, Baumeyer A, Clauss M, Hoby S (2019). Impact of a new exhibit on stereotypic behaviour in an elderly captive African elephant. Journal of Zoo and Aquarium Research 7: 37-43.

Schiffmann C, Clauss M, Hoby S, Codron C, Hatt J-M (2019). Body Condition Scores (BCS) in European zoo elephants (Loxodonta africana and Elephas maximus) lifetimes – a longitudinal analysis. Journal of Zoo and Aquarium Research 7: 74-86.

Schiffmann C, Hatt J-M, Hoby S, Codron D, Clauss M (2019). Elephant body mass cyclicity suggests effect of molar progression on chewing efficiency. Mammalian Biology 96: 81-86.

Schönbächler K, Hatt J-M, Silaghi C, Merz N, Fraefel C, Bachofen C (2019). Frühsommer-Meningoenzephalitis-Virus Nachweis beim Europäischen Igel (Erinaceus europaeus). Schweizer Archiv für Tierheilkunde 161: 23-31.

Sprecher K (2019). Oekosystem der feuchten tropischen Regenwälder. 2. Auflage.

Wendler P, Ertl N, Flügger M, Sós E, Schiffmann C, Clauss M, Hatt J-M (2019). Foot health of Asian elephants (Elephas maximus) in European zoos. Journal of Zoo and Wildlife Medicine 50: 513-527.

Wenger S, Hatt J-M (2019). Oral gabapentin used to treat recurrent shoulder and neck pain in a Bactrian camel. Veterinary Anaesthesia and Analgesia 46: 145-146.

Akeret B, Honegger RE (2018). Paul Heinrich Stettler (1922-2016). In: Die Geschichte der Herpetologie und Terrarienkunde im deutschsprachigen Raum II S. 160, DGHT, Rheinbach

Falcón W, Baxter RH, Furrer S, Bauert M, Hatt J-M, Schaepman-Strub G, Ozgul A, Bunbury N, Clauss M, Hansen DM (2018). Temperature fluctuations and thermoregulation of Aldabra giant tortoises. Ecology and Evolution 8: 2108-2121

Falcón W, Furrer S, Bauert M, Hatt J-M, Hansen DM, Clauss M (2018). Evaluation of artificial heating sources for the thermoregulation of Aldabra giant tortoises (Aldabrachelys gigantea) in Zurich Zoo. Zoo Biology 37: 458-465

Głogowski R, Pérez W, Clauss M (2018). Body size and gastrointestinal morphology of nutria (Myocastor coypus) reared on an extensive or intensive feeding regime. Journal of Animal Science 96: 3728-3737

Heldstab SA, Müller DWH, Graber SM, Bingaman Lackey L, Rensch E, Hatt J-M, Zerbe P, Clauss M (2018). Geographical origin, delayed implantation and induced ovulation explain reproductive seasonality in the Carnivora. Journal of Biological Rhythms 33: 402-419

Honegger RE (2018). Drei Vogelfangdarstellungen aus der Schweiz. In: Bl. Naumann-Mus. 31. 11-20

Honegger RE (2018). Peter Bodenmann-Kron (1919-2002) - Eugen Kramer (1921-2004) - Henry Kratzer (1934-2005) - Carl Stemmler- Morath (1904-1987). In: Die Geschichte der Herpetologie und Terrarienkunde im deutschsprachigen Raum II S. 160, DGHT, Rheinbach

Hufenus R, Schiffmann C, Hatt J-M, Müller DWH, Bingaman Lackey L, Clauss M, Zerbe P (2018). Seasonality of reproduction in elephants (Elephas maximus and Loxodonta africana): underlying photoperiodic cueing? Mammal Review 48: 261-276

Kitz S, Grimm F, Wenger S, Hatt J-M, Kipar A, Hetzel U (2018). Encephalitozoon cuniculi infection in Barbary striped grass mice (Lemniscomys barbarus).
In: SAT, ASMV 6, Band 160, Heft 6, 394–400

Kummrov MS, Brüne M (2018). Psychopathologies in captive nonhuman primates and approaches to diagnosis and treatment. Journal of Zoo and Wildlife Medicine 49(2): 259-271

Laube A, Altherr B, Clauss M, Hatt J-M (2018). Reference intervals for bile acids and protein electrophoresis in plasma of captive panther chameleons (Furcifer pardalis): a first approach. Journal of Herpetological Medicine and Surgery 28: 99-106

Matsuda I, Bernard H, Tuuga A, Nathan SKSS, Sha J, Osman I, Sipangkui R, Seino S, Asano S, Wong A, Kreuzer M, Ramirez Saldivar DA, Clauss M (2018). Fecal nutrients suggest diets of higher fiber levels in free-ranging than in captive proboscis monkeys (Nasalis larvatus). Frontiers in Veterinary Science 4: 246

Novacco M, Hofmann-Lehmann R, Hetzel U, Hatt J-M, Olerth S, Stirn M (2018).
Lipoid pneumonia in an orangutan (Pongo abelii) with chronic respiratory problems
Journal of Medical Primatology. 1-4

Ruetz B (2018): Zoo Zürich – Naturschutz und Unternehmertum. In: Ethisch, nachhaltig, erfolgreich – Zehn Schweizer Unternehmen und ihre Geschichten. Ars Biographica. 961-03

Rübel A (2018) Natur und Tiere in der Schweiz 2291. In: Schweiz 2291 – Siebzig Persönlichkeiten beschreiben die Schweiz an ihrem 1000. Geburtstag. Ein Zukunftsdialog, Häuselmann C. Weberverlag. 81-83

Schiffmann C, Clauss M, Fernando P, Pastorini J, Wendler P, Ertl N, Hoby S, Hatt J-M (2018). Body condition scores in European zoo elephants (Elephas maximus and Loxodonta africana) - status quo and influencing factors. Journal of Zoo and Aquarium Research 6:91-103

Schiffmann C, Hoby S, Wenker C, Hård T, Scholz R, Clauss M, Hatt J-M (2018). When elephants fall asleep: a literature review on elephant rest with case studies on elephant falling bouts, and practical solutions for zoo elephants. Zoo Biology 37: 133-145

Schiffmann C, Knibbs K, Clauss M, Merrington J, Beasley D (2018). Unexpected resting behaviour in a geriatric zoo elephant. Gajah 48: 30-33

Stanczyk EK, Velasco Gallego ML, Nowak M, Hatt J-M, Kirchner PR, Carrera I, (2018). 3.0 Tesla magnetic resonance imaging anatomy of the central nervous system, eye, and inner ear in birds of prey. Veterinary Radiology & Ultrasound 59 (6). 705-714

Tahas SA, Hetzel U, Altenbrunner-Martinek B, Martin Jurado O, Hammer S, Arif A, Hatt J-M, Clauss M (2018). Microanatomy of the digestive tract, hooves and some visceral organs of addax antelope (Addax nasomaculatus) following a concentrate or forage feeding regime. Anatomia Histologia Embryologia 47: 254-267

Wenger S, Pendl H, Tahas S, Bochmann M, Hatt J-M (2018). Clinical Signs, Diagnosis, and Treatment of Lead Intoxication In An Electric Eel (Electrophorus electricus). Journal of Zoo and Wildlife Medicine, 49(4):1029-1032

Wyss F, Schneiter M, Hetzel U, Keller S, Frenz M, Ricka J, Hatt J-M (2018). Investigation of the tracheal mucociliary clearance in snakes with and without boid inclusion body disease and lung pathology. Journal of Zoo and Wildlife Medicine 49(1): 223–226

Rübel, A (2017): Lassen sich naturwissenschaftliches Denken und Glaube an Gott versöhnen? In: Kuhn, Achim. Kann ich damit leben? Prominente über Konflikt und Versöhnung. TVZ Verlag, Zürich, 220-228

Honegger,RE, Rübel A (2017): Eine weitere Ehrung für Heini Hediger.  Vierteljahresschrift der Naturforschenden Gesellschaft in Zürich, 162,2,11

Honegger,RE (2017): Die Riesenschildkröten von Zürich.  Vierteljahresschrift der Naturforschenden Gesellschaft in Zürich, 161,2,4

Rübel, A. (2017): Mein Dorf in der Stadt. The Dolder Grand Magazine 6, 54-55.

Galvis-Rizo CA, Forero G, Bauert M (2017): A cooperative strategy between Cali Zoo, Zurich Zoo and Wildlife Conservation Society for the conservation of Colombian amphibians. CA AArk, 40: 9-11

Davis LR, Bigler L, Woodhams DC (2017): Developmental trajectories of amphibian microbiota: response to bacterial therapy depends on initial community structure. Environmental Microbiology 19.4: 1502-1517

Ackermann M, Hatt J-M, Schetle N, Steinmetz H (2017): Identification of shedders of elephant endotheliotropic herpesviruses among Asian elephants (Elephas maximus) in Switzerland. PLoS ONE 125: e0176891

Barrows M, Killick R, Saunders R, Tahas S, Day C, Wyatt K, Horspool T, Bingaman Lackey L, Cook J (2017): Retrospective analysis of elective health examinations as preventative medicine interventions at a zoological collection. Journal of Zoo and Aquarium Research 5: 25-32

Bochmann M, Steinlechner S, Hesse A, Dietz HH, Weber H (2017): Urolithiasis in free-ranging and captive otters (Lutra lutra and Aonyx cinerea) in Europe. Journal of Zoo and Wildlife Medicine 48: 725-731

Carisch L, Müller DWH, Hatt J-M, Bingaman Lackey L, Rensch EE, Clauss M, Zerbe P (2017): Seasonal mortality in zoo ruminants. Zoo Biology 36: 74-86

Gillis-Germitsch N, Vybiral P-R, Codron D, Clauss M, Kotze A, Mitchell EP (2017): Intrinsic factors, adrenal gland morphology and disease burden in captive cheetahs (Acinonyx jubatus) in South Africa. Zoo Biology 36: 40-49

Hummel J, Hammer C, Hammer S, Südekum K-H, Müller DWH, Clauss M (2017): Retention of solute and particle markers in the digestive tract of captive Somali wild asses (Equus africanus somaliensis). European Journal of Wildlife Research 63: 41

Matsuda I, Chapman CA, Physilia CYS, Sha JCM, Clauss M (2017): Primate resting postures: constraints by foregut fermentation? Physiological and Biochemical Zoology 90: 383-391

Schiffmann C, Clauss M, Hoby S, Hatt J-M (2017): Visual body condition scoring in zoo animals – composite, algorithm and overview approaches in captive Asian and African elephants. Journal of Zoo and Aquarium Research 5: 1-10

Tahas SA, Martin Jurado O, Hammer S, Arif A, Reese S, Hatt J-M, Clauss M (2017): Gross measurements of the digestive tract and visceral organs of addax antelope (Addax nasomaculatus) following a concentrate or forage feeding regime. Anatomia Histologia Embryologia 46: 282–293

Vendl C, Munn A, Leggett K, Clauss M (2017): Merycism in western grey (Macropus fuliginosus) and red kangaroos (Macropus rufus). Mammalian Biology 86: 21-26

Balsiger A, Clauss M, Liesegang A, Dobenecker B, Hatt JM (2017): Guinea pig (Cavia porcellus) drinking preferences: do nipple drinkers compensate for behaviourally deficient diets? Journal of Animal Physiology and Animal Nutrition 101,1046–1056

Clauss, M, Hatt JM (2017): Evidence-Based Rabbit Housing and Nutrition. In: The Veterinary Clinics of North America. Exotic Animal Practice, 20(3):871-884.

Clauss M, Hummel J (2017): Physiological adaptations of ruminants and their potential relevance for production systems. R. Bras. Zootec, 46(7):606-613

Dittmann MT, Kreuzer M, Runge U, Clauss M (2017): Ingestive mastication in horses resembles rumination but not ingestive mastication in cattle and camels. J. Exp. Zool. 327: 98–109

Mosing M, Sacks M, Tahas S, Ranninger E, Böhm SH, Campagnia I, Waldmann AD (2017): Ventilatory incidents monitored by electrical impedance tomography in an anaesthetized orangutan (Pongo abelii). Veterinary Anaesthesia and Analgesia , 44, 973e980

Pérez W, König HE, Jerbi HI, Clauss M (2017): Zur Anatomie des Magen Darm Traktes bei Alpaka (Vicugna pacos, Linnaeus, 1758). Lamas (Fachzeitschrift für Haltung und Zucht von Lamas und Alpakas), 25. Jahrgang, 1

Schiffmann C, Clauss M, Hoby S, Hatt JM (2017): Visual body condition scoring in zoo animals – composite, algorithm and overview approaches. Journal of Zoo and Aquarium Research 5(1)

Clark A, Silva-Fletcher A, Fox M, Kreuzer M, Clauss M (2016) Survey of feeding practices, body condition and faeces consistency in captive ant-eating mammals in the UK. Journal of Zoo and Aquarium Research 4: 183-195

Duggan G, Burn C, Clauss M (2016) Nocturnal behaviour in captive giraffe (Giraffa camelopardalis) – a pilot study. Zoo Biology 35:14-18

Fahlman A, Edner A, Wenger S, Foggin C, Nyman G (2016) Pulmonary gas exchange and acid–base status during immobilisation of black rhinoceroses (Diceros bicornis) in Zimbabwe. Journal of the South African Veterinary Association; Vol 87, No 1 (2016), 9 pages. doi: 10.4102/jsava.v87i1.1328

Gerstner G, Liesegang A, Hatt J-M, Clauss M, Galeffi C (2016) Seasonal body mass changes and feed intake in spectacled bears (Tremarctor ornatus) at Zurich Zoo. Journal of Zoo and Aquarium Research 4: 121-126

Graf R (2016) Zooführer Zoo Zürich. 359 S. Ropress Genossenschaft, Zürich

Hassold S, Lowry PP, Bauert MR, Razafintsalama A, Ramamonjisoa L, Wodmer A (2016) DNA Barcoding of malagasy rosewoods: towards a molecular identification of CITES-listed Dalbergia species. PLoS ONE  11(5): e0157881. Doi: 10.1271/journal.pone.0157881

Heidegger E, von Houwald F, Steck B, Clauss M (2016) Body condition scoring system for greater one-horned rhino (Rhinoceros unicornis): development and application. Zoo Biology 35: 432-443

Honegger RE (2016) Die Riesenschildkröten von Zürich. Vierteljahrsschrift der NGZH 2 (4-7), JG 161

Laube A, Pendl H, Clauss M, Altherr B, Hatt J-M (2016) Plasma biochemistry and hematology reference values of captive panther chameleons (Furcifer pardalis) with special emphasis on seasonality and gender differences. Journal of Zoo and Wildlife Medicine 47: 743-753

Rübel A (2016) Elefanten faszinieren – Ein Nachwort. In: Mit Sandry nach Schweden. Markus Schmid. 174-175

Rübel A (2016) Conrad Gessner als Zoologe 141-154. In: Conrad Genner 1516-2016. Facetten eines Universums. Urs V. Leu und Mylène Ruoss (Hrsg). Verlag NZZ

Rübel A (2016) Hat der Tierpark eine Zukunft? In: Bentz, S.: Mehr Platz für weniger Tiere! Geschichte des Tierparks Bern, Haupt, Bern,195-201

Taylor LA, Müller DWH, Schwitzer C, Kaiser TM, Castell J, Clauss M, Schulz-Kornas E (2016) Comparative analyses of tooth wear in free-ranging and captive wild equids. Equine Veterinary Journal 48:240-245

Tidière M, Gaillard J-M, Berger V, Müller DWH, Bingaman Lackey L, Gimenez O, Clauss M, Lemaître J-F (2016) Comparative analyses of longevity and senescence reveal variable survival benefits of living in zoos across mammals. Scientific Reports 6: 36361

Vendl C, Frei S, Dittmann MT, Furrer S, Ortmann S, Lawrenz A, Lange B, Munn A, Kreuzer M, Clauss M (2016) Methane production by two non-ruminant foregut-fermenting herbivores: the collared peccary (Pecari tajacu) and the pygmy hippopotamus (Hexaprotodon liberiensis). Comparative Biochemistry and Physiology A 191: 107-114

Vendl C, Frei S, Dittmann MT, Furrer S, Osmann C, Ortmann S, Munn A, Kreuzer M, Clauss M (2016) Digestive physiology, metabolism and methane production of captive Linné’s two-toed sloths (Choloepus didactylus). Journal of Animal Physiology and Animal Nutrition 100: 552-564

Burivalova Z, Bauert MR, Hassold S, Fatroandrianjafinonjasolomiovazo NT, Koh LP (2015). Relevance of global forest change data set to local conservation: case study of forest degradation in Masoala National Park, Madagascar. Biotropica 47(2): 267-274.

Dittmann MT, Runge U, Ortmann S, Lang RA, Moser D, Galeffi C, Schwarm A, Kreuzer M, Clauss M (2015). Digesta retention patterns of solutes and different-sized particles in camelids compared with ruminants and other foregut fermenters. Journal of Comparative Physiology B 185: 559-573.

Dudley JP, Hang’Ombe BM, Leendertz FH, Dorward LJ, De Castro J, Subalusky AL, Clauss M (2015). Carnivory in the common hippopotamus Hippopotamus amphibious: implications for the ecology and epidemiology of anthrax in African landscapes. Mammal Review. Doi: 10.1111/mam.12056.

Fischer, Markus et. al. (2015): Zustand der Biodiversität in der Schweiz – Die Analyse der Wissenschaft. (Mit Beitrag Alex Rübel). Hrsg: Forum Biodiversität Schweiz, Bern.

Gull JM, Stahl M, Osmann C, Ortmann S, Kreuzer M, Hatt J-M, Clauss M (2015).Digestive physiology of captive giant anteaters (Myrmecophaga tridactyla): determinants of faecal dry matter content. Journal of Animal Physiology and Animal Nutrition 99: 565-576.

Hagen K, Müller DHW, Wibbelt G, Ochs A, Hatt J-M, Clauss M (2015). The macroscopic intestinal anatomy of a lowland tapir (Tapirus terrestris). European Journal of Wildlife Research 61:171-176.

Hagen KB, Besselmann D, Cyrus-Eulenberger U, Vendl C, Ortmann S, Zingg R, Kienzle E, Kreuzer M, Hatt JM, Clauss M (2015). Digestive Physiology of the plains Viscacha (Lagostomus maximus): a large herbivorous hystricomorph rodent. Zoo Biology: 34(4): 345-359.

Hatt JM, Wenger S, Pot SA (2015). Unilateral enucleation in Darwin’s rhea due to chronic panophthalmitis, Proceedings ICARE conference, p. 266, Paris, April 2015.

Hoby S, Grundmann S, Wenger S, Wenker C (2015). Lessons learned from a complicated tusk extraction in an African elephant. Proceedings ICARE conference, p. 101, Paris, April 2015.

Razafintsalama A., Ramamonjisoa L., Andrianoelina O., Bauert M (2015). Ecological survey and genetic diversity of Dalbergia species in the north-eastern region of Madagascar. J. of multidisciplinary engineering science and technology 2(4): 528-532. ISSN: 3159-0040.

Rübel A (2015). Excellence in zoos and aquariums: how to achieve our visions and goals. IZY Editor’s Article of Choice.

Rübel A (2015). Appreciation Dr. Fred Kurt. Gajah 42: 39-40.

Rübel, A. (2015) Presidents of WAZA (part two): WAZA President 2001-2003. WAZA News 2, 2.

Rübel A. Zingg R. (2015). Kaeng Krachan Elefantenpark für Asiatische Elefanten (Elephas maximus Linnaeus, 1758) im Zoo Zürich. Der Zoologische Garten 84: 1-12.

Rudolf von Rohr C, van Schaik CP, Kissling A, Burkart JM (2015). Chimanzees’ Bystander reactions to Infanticide. Hum Nat doi 10.1007/s12220-015-9228-5.

Schönenberger AC, Wagner S, Tuten HC, Schaffner F, Torgerson P, Furrer S, Mathis A, Silaghi C (2015). Host preferences in host-seeking and blood-fed mosquitoes in Switzerland. Medical and veterinary entomology doi: 10.1111/mve.12155.

Vendl C, Frei S, Dittmann MT, Furrer S, Osmann C, Ortmann S, Munn A, Kreuzer M, Clauss M (2015). Digestive phyliology, metabolism and methane production of captive Linné’s two-toed sloths (Choloepus didactylus). Journal of Animal Physiology and animal Nutrition. DOI: 10.1111/jpn.12356.

Vetsch W (2015). Wohin die Reise führt. Anthos 2: 9-13.

Wenger S, Hatt JM (2015). Transurethral cystoscopy and endoscopic urolith removal in female guinea pigs (Cavia porcellus). Vet Clin Exot Anim 18, 359–367.

Wenger S, Schwarz A, Raszplewics J, Lawrenz A, Hoby S, Wenger C (2015). Comparison of two similar anaesthetic protocols for prolonged recumbency using isoflurane and intermittent bous injection fo etorphine in an adult male African elephant (Loxodonta Africana). Proceedings EAZWV conference, Barcelona, May 2015.

Dittmann AT, Hummel J, Runge U, Galeffi C, Kreuzer M, Clauss M (2014) Characterising an artiodactyl family inhabiting arid habitats by its metabolism: low metabolism and maintenance requirements in camelids. Journal of Arid Environments 107: 41-48.

Dittmann MT, Runge U, Lang RA, Moser D, Galeffi C, Kreuzer M, Clauss M (2014) Methane emission by camelids. PLoS One 9: e94363.

Gattiker C, Espie I, Kotze A, Lane EP, Cordon D, Clauss M (2014) Diet and dietrelated disorders in captive ruminants at the National Zoological Gardens of South Africa. Zoo Biology 33: 426-432.

Gull JM, Hebel C, Arif A, Deb A, Clauss M, Hatt J-M, Hammer S (2014) Blood values of clinically healthy captive beira antelopes (Dorcatragus megalotis) and during an outbreak of fibrinous pleuropneumonia syndrome (FPPS). Journal of Zoo and Wildlife Medicine 45: 735-743.

Hagen K, Clauss M, Hatt JM (2014) Drinking preferences in chinchillas (Chinchilla laniger), degus (Octodon degu) and Guinea pigs (Cavia porcellus). Journal of Animal Physiology and Animal Nutrition 98: 942-947.

Hatt JM, Bauert M and Wenger S (2014) The Masoala rainforest exhibit at Zurich zoo - 10 years of experience from a veterinary perspective. Proceedings EAZWV conference, Warsaw, May 2014, p. 55.

Ritz J, Codron D, Wenger S, Rensch EE, Hatt J-M, Braun U, Clauss M (2014) Ruminal pH in cattle (Bos primigenius f. taurus) and moose (Alces alces) under different feeding conditions: a pilot investigation. Journal of Zoo and Aquarium Research 2: 44-51.

Rübel, A (2014) Kaeng Krachan Elephant Park at Zoo Zürich. Gajah 40: 44-45.

Rübel, A (2014) Kaeng Krachan Elephant Park at Zoo Zürich. WAZA news 2/1: 26-27.

Rübel, A (2014): Vorwort. In: Kurt, Fred: Von Elefanten und Menschen. Paul Haupt, Bern.

Rübel, A (2014) Heini Hediger and the Foundation of zoo biology. In: McGregor Reid, G. and Moore, G.: History of Zoos and Aquariums: From Royal Gifts to Biodiversity Conservation. The North of England Zoological Society, 113-116.

Steuer P, Südekum K-H, Tütken T, Müller DWH, Kaandorp J, Bucher M, Clauss M, Hummel J (2014) Does body mass convey a digestive advantage for large herbivores? Functional Ecology 28: 1127-1134.

Taylor LA, Müller DWH, Schwitzer C, Kaiser TM, Codron D, Schulz E, Clauss M (2014) Tooth wear in captive rhinoceroses (Diceros, Rhinoceros, Ceratotherium: Perissodactyla) differs from that of free-ranging conspecifics. Contributions to Zoology 83: 107-117.

Venkataraman VV, Glowacka H, Fritz J, Clauss M, Seyoum C, Nguyen N, Fashing PJ (2014) Effects of dietary fracture toughness and dental wear on chewing efficiency in geladas (Theropithecus gelada). American Journal of Physical Anthropology 155: 17–32.

Wenger S, Wyss F, Peterson S, Gull J, Hatt JM (2014) Evaluation of intramuscular alfaxalone for induction of anesthesia in clinical reptiles cases. Proceedings AAZV conference, Florida, October 2014.

Wyss F, Wenker C, Hoby S, von Houwald F, Schumacher V, Doherr MG, Robert N (2014) The effect of fine granular sand on pododermatitis in captive greater flamingos (Phoenicopterus roseus). Animal Welfare 23: 57-61.

Wyss FS, Wolf P, Wenker C, Hoby S, Schumacher V, Béchet A, robert N, Liesegang A (2014) Comparison of plasma vitamin A and E, copper and zinc levels in freeranging and captive greater flamingos (Phoenicpterus roseus) and their relation to pododermatitis. Journal of Animal Physiology and Animal Nutrition 98: 1102-1109.

Wyss FS, Wenker CJ (2014) Phoenicopteriformes. In: Miller RE, Folwer M. Fowler's Zoo and Wild Animal Medicine, Vol. 8. St. Louis, Missouri, 105-112. ISBN 978-1-4557-7397-8.

Beck R. (2013). Activity budget and social interactions in sixcaptive Asian elephants (Elephas maximus) at Zoo Zürich. Master Thesis, Institute of evolutionary biology and environmental studies. University of Zurich.

Büker M, Picozzi K, Kolb S, Hatt J-M (2013). First detection of Borrelia burdorferi-antibodies in free-living birds of prey from Eastern Westphalia, Germany. Schweizer Archiv für Tierheilkunde 155:411-416.

Clauss M, Kohlschein GM, Peemöller A, Hummel J, Hatt J-M (2013). Short-term digestible energy intake in captive moose (Alces alces) on different diets. Zoo Biology 32: 484-489.

Furrer S. (2013). Erfahrungen mit der Haltung von PLattschwanzgeckos (Uroplatus fimbriatus) im Masoala Regenwald des Zoo Zürich, Schweiz. Draco 13: 72-77. 

Hatt J-M, Zollikofer CPE, Thali M, Kircher PR, Morimoto N, de Leon MP (2013). The virtual ape project: more than a source of anatomy for veterinarians, anthropologists and primatologists. Proceedings of the American Association of Zoo Veterinarians, Salt Lake City, Utah, USA, 28 September 2013 – 4 October 2013, p 51.

Jürges V, Kitzler J, Zingg R, Radespiel U. (2013). First insights into the social organisation of Goodman’s Mouse Lemur (Microcebus lehilahytsara) – testing predictions from socio-ecological Hypotheses in the Masoala hall if Zurich Zoo. Folia Primatol 84: 32-48.

Lauper M, Lechner I, Barboza P, Collins W, Hummel J, Codron D, Clauss M (2013). Rumination of different-sized particles in muskoxen (Ovibos moschatus) and moose (Alces alces) on grass and browse diets, and implications for rumination in different ruminant feeding types. Mammalian Biology 78: 142–152.

Lemaître J-F, Gaillard J-M, Bingaman Lackey L, Clauss M, Müller DHW (2013). Comparing free-ranging and captive populations reveals intra-specific variation in aging rates in large herbivores. Experimental Gerontology 48: 162–167.

Mans C, Drees R, Sladky K, Hatt J-M, Kircher P (2013). Effects of body position and extension of the neck and extremities on lung volume measured via computed tomography in red-eared slider turtles (Trachemys scripta elegans). Journal of the American Veterinary Medical Association, 243:1190-1196.

Müller DWH, Hammer S, Hammer C, Hatt J-M, Clauss M (2013). A conceptual approach to density-dependent management of zoo animals kept in herds. International Zoo Yearbook47: 208–218.

Rübel A. (2013). Returning the Compliment. The Masoala Rainforest at Zoo Zürich Celebrates its 10th Anniversary, and the Investment it had been able to make the Malagasy Region upon which is based. Zooquaria 82, 16-18.

Rübel A. (2013). Elephant Conservation Challenges. Gajah 38, 1-2 Rübe, A. (2013). One Plan: Masoala - combining modern exhibit, education and conservation in Madagascar. WAZA Proceedings, Orlando.

Schwarm A, Ortmann S, Fritz J, Rietschel W, Flach E, Clauss M (2013). No distinct stratification of ingesta particles and no distinct moisture gradient in the forestomach of nonruminants: the wallaby, peccary, hippopotamus, and sloth. Mammailan Biology 78: 412-421.

Steuer P, Südekum K-H, Müller DWH, Kaandorp J, Clauss M, Hummel J (2013). Fibre digestibility in large herbivores as related to digestion type and body mass - an in vitro approach. Comparative Biochemistry and Physiology A 164: 319–326.

Taylor LA, Rudd J, Hummel J, Clauss M, Schwitzer C (2013). Weight loss in pygmy hippos (Choeropsis liberiensis). In: Steck B (ed.) Pgymy hippopotamus (Choreopsis liberiensis) International Studbook 2012. Basel Zoo, Basel, pp. 20-25.

Taylor LA, Schwitzer C, Owen-Smith N, Kreuzer M, Clauss M (2013). Feeding practices for captive greater kudus (Tragelaphus strepsiceros) in UK collections as compared to diets of free-ranging specimens. Journal of Zoo and Aquarium Research 1: 7-13.

Wenger S, Hoby S, Wyss F, Adami C, Wenker C (2013). Anaesthesia with medetomidine, midazolam and ketamine in six gorillas after premedication with oral zuclopenthixol dihydrochloride. Veterinary Anaesthesia and Analgesia 40: 176-180.

Wenger S, Wyss F, Peterson S, Gull J, Hatt J-M (2013). The use of alfaxalone for induction of anaesthesia in selected reptile species: a preliminary clinical investigation. Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Vienna, Austria, 08 May 2013 – 11 May 2013.

Wüthrich G, Hatt J-M (2013). Europäische Landschildkröten. Zürich. ISBN 978-3-908157-19-9.

Wyss F, Gull J, Rothlin T, Scheiwiler T, Clauss M, Hatt J-M (2013). Observations on weight loss and fecal consistency in giant anteaters (Myrmecophaga tridactyla) during three transitions from a mixed natural in-house to commercial complete diets. Proceedings of the American Association of Zoo Veterinarians, Salt Lake City, Utah, USA, 28 September 2013 – 4 October 2013, pp 20-22.

Wyss F, Wenker C, Hoby S, Gardelli B, Studer-Thiersch A, Houwald F, Schumacher V, Clauss M, Doherr MG, Häfeli W, Furrer S, Béchet A, Robert N (2013). Factors influencing the onset and progression of pododermatitis in captive flamingos (Phoenicopteridae). Schweizer Archiv für Tierheilkunde 155: 497-503.

Clauss M, Paglia DE. 2012. Iron storage disease in captive wild mammals – the comparative evidence. Journal of Zoo and Wildlife Medicine 43: S6–S18.

Clauss M, Dierenfeld E, Goff J, Klasing K, Koutsos L, Lavin S, Livingston S, Nielson B, Schlegel M, Sullivan K, Valdes E, Ward A. 2012. IOD in rhinos – nutrition group report: Report from the Nutrition Working Group of the International Workshop on Iron Overload Disorder in Browsing Rhinoceros (February 2011). Journal of Zoo and Wildlife Medicine 43: S108–S113.

De Souza AA. 2012. Colour preference of red ruffed lemurs (Varecia rubra) in a semi-natural environment. Research paper, university of Zurich.

Furrer S. 2012. Schweizer Erstnachzucht von Varanus macraei im Zoo Zürich. Reptilia 17(1), S. 8.

Helary SF, Shaw JA, Brown D, Clauss M, Owen-Smith N. 2012. Black rhinoceros (Diceros bicornis) natural diets: comparing iron levels across seasons and geographical locations. Journal of Zoo and Wildlife Medicine 43: S48–S54.

Hohl A. 2012. Kaeng Krachan Elefantenpark im Zoo Zürich. Tiergarten, Magazin für Zoointeressierte. 1/2012.

Price EC, Wormell D, Brayshaw M, Furerr S, Heer T & Steinmetz HW. 2012. Managing free-ranging callitrichids in zoos. Int. Zoo Yb 46: 123-136.

Ritz J, Clauss M, Streich WJ, Hatt JM. 2012. Variation in growth and potentially associated health status in Hermann’s and Spur-thighed tortoises (Testudo hermanni and Testudo graeca). Zoo Biology 31: 705–717.

Rübel A. 2012. Heini Hediger - A Short Biography. In: Penn, L., Gusset, M. and G. Dick: 77 years: The History and Evolution of the World Association of Zoos and Aquariums 1935-2012. WAZA, Gland.

Rübel A. 2012. Auch für Tiere gilt: Vorsorgen ist besser als Heilen. In Schnieper, Claudia: Strategie des Lebens - Vorsorge in der Tierwelt. Die Mobiliar.

Rübel A. 2012. Bedeutung der Zoos für den Naturschutz. In: Dittrich, L. und Nogge, G. (ed.): Zootierhaltung - Tiere in menschlicher Obhut. Grundlagen. Verlag Harri Deutsch, Frankfurt. 391-399.

Rübel A. 2012. Kann man heute von Hediger noch lernen? Bongo 43, 147-160.

Rübel A. 2012. Conserving Madagascar’s Biodiversity, Building Local Capacity and Raising Environmental Awareness of Youth: The cooperative work of zoos for Madagascar -The Madagascar Fauna and Flora Group (MFG). WAZA Proceedings 2012.

Sandmeier P, Clauss M, Donati OF, Chiers K, Kienzle E, Hatt JM. 2012. Use of deferiprone for the treatment of hepatic iron storage disease in three hornbills. Journal of the American Veterinary Medical Association 240:75-81.

Scientific Writing Experience at the European Association of Zoo and Wildlife Veterinarians 2010 Student Summer School, Clauss M supervisor. 2012. Serum iron metabolites in an opportunistic sample of different captive primate species. International Zoo Yearbook 46:195–200.

Stahl M, Osmann C, Ortmann S, Kreuzer M, Hatt JM, Clauss M. 2012. Energy intake for maintenance in a mammal with a low basal metabolism, the Giant anteater (Myrmecophaga tridactyla). Journal of Animal Physiology and Animal Nutrition 96: 818–824.

Wenger S. 2012. Anesthesia and analgesia in rabbits and rodents. J Exotic Pet Med 21, 7-16.

Zerbe P, Clauss M, Codron D, Bingaman Lackey L, Rensch E, Streich WJ, Hatt JM, Müller DHW. 2012. Reproductive seasonality in captive wild ruminants: implications for biogeographical adaptation, photoperiodic control, and life history. Biological Reviews 87: 965-990.

Franz R, Hummel J, Müller DWH, Bauert M, Hatt JM, Clauss M. 2011. Herbivorous reptiles and body mass: effects on food intake, digesta retention, digestibility and gut capacity, and a comparison with mammals. Comparative Biochemistry and Physiology A 158: 94-101.

Franz R, Soliva CR, Kreuzer M, Hatt JM, Furrer S, Hummel J, Clauss M. 2011. Methane output of tortoises: its contribution to energy loss related to herbivore body mass. PLoS One 6: e17628.

Hummel J, Findeisen E, Südekum K-H, Ruf I, Kaiser TM, Bucher M, Clauss M, Codron D. 2011. Another one bites the dust - faecal silica levels in large herbivores correlate with high-crowned teeth. Proceedings of the Royal Society of London B 278: 1742-1747.

Isenbügel Ewald. 2011. Bald wandern die Kröten wieder. Nachrichten aus Greifensee S. 13.

Kitzler Johanne. 2011. Genetische Strukturen in der Population von Goosman Mausmakis in der Masoala Halle, Zoo Zürich. Gottfried Wilhelm Leibnitz Universität Hannover. Bachelorarbeit.

Müller DWH, Bingaman Lackey L, Streich WJ, Fickel J, Hatt JM, Clauss M. 2011. Mating system, feeding type and ex situ conservation effort determine life expectancy in captive ruminants. Proceedings of the Royal Society B 278: 2076–2080.

Niederhäuser M, Rosenberger N. 2011. Unternehmenspolitik, Identität und Kommunikation. Gabler Verlag.

Pirovino P, Heistermann M, Zimmermann N, Zingg R, Clauss M, Codron D, Kaup FJ, Hatt JM, Steinmetz HW. 2011. Fecal glucocorticoid measurements and their relation to rearing, behaviour and environmental factors in the population of Pileated gibbons (Hylobates pileatus) held in European zoos. International Journal of Primatology 32:1161–1178.

Steinmetz HW, Zingg R, Ossent P, Eulenberger U, Clauss M, Hatt JM. 2011. Comparison of indoor and captive, free-roaming management in golden-headed lion tamarins (Leontopithecus chrysomelas) at Zurich Zoo. Animal Welfare 20: 205-210.

Zerbe P, Glaus T, Clauss M, Hatt JM, Steinmetz HW. 2011. Ultrasonographic evaluation of postprandial heart variation in juvenile Paraguay anacondas (Eunectes notaeus). American Journal of Veterinary Research 72: 1253-1258.

Zimmermann N, Pirovino M, Zingg R, Clauss M, Kaup FJ, Heistermann M, Hatt JM, Steinmetz HW. 2011. Upper respiratory tract diseases in captive orangutans (Pongo abelii, Pongo pygmaeus): prevalence in 20 European zoos and possible predisposing factors. Journal of Medical Primatology 40: 365-375.

Bauert, M. 2010. Twinning a national park: Masoala rainforest links Zurich zoo and Madagascar. EuroGard V, Botanic gardens in the age of climate change.

Clauss M, Lang-Deuerling S, Müller DWH, Kienzle E, Steuer P, Hummel J. 2010. Retention of fluid and particles in captive tapirs (Tapirus spp.). Comparative Biochemistry and Physiology A 157: 95–101.

Clauss M, Kleffner H, Kienzle E. 2010. Carnivorous mammals: nutrient digestibility and energy evaluation. Zoo Biology 29: 687–704.

Furrer, S. 2010. Bunte Perlen im dichten Grün des Masoala-Regenwaldes. Datz (6).

Franz R, Soliva CR, Kreuzer M, Steuer P, Hummel J, Clauss M (2010) Methane production in relation to body mass of ruminants and equids. Evolutionary Ecology Research 12: 727-738.

Grüter Roman, 2010. Die Krauchtschicht der Masoala Halle. ETHZ, Bachelor Umweltnaturwissenschaften. Zürich.

Hummel, J., Findeisen E., Südekum KH, Ruf I., Kaiser TM., Bucher M., Clauss M., Cordon, D. 2010. Another one bites the dust: faecal silica levels in large herbivores correlate with high-crowned teeth. Proc. Royal Soc. B. doi: 10-1098/rspb.2010.1939.

Jürges Vivian, 2010. Social organisation of goodman’s mouse lemur (Micorcebus lehilahytsara) in the Masoala Hall of Zoo Zurich. Master thesis, Tierärztliche Hochschule Hannover.

Lehner S. R., Burkart J.M., van Schaik C.P. 2010. An evaluation of the geographic method for recognizing innovations in nature, using zoo orangutans. Primates 51: 101-118.

Ritz J, Griebeler EM, Huber R, Clauss M. 2010. Body size development of captive and free-ranging African spurred tortoises (Geochelone sulcata): high plasticity in reptilian growth rates. Herpetological Journal 20: 213-216.

Ritz J, Hammer C, Clauss M. 2010. Comparison of Body size development in captive and free-ranging leopard tortoises (Geochelone pardalis). Zoo Biology 29: 517-525.

Rübel, A. 2010. Der verdrängte Tod – Zoologisches zu einer Bachkantate. In: Wirth, M.: Bachanthologie 2009. J.S.Bach-Stiftung, St. Gallen.

Rübel, A. 2010. Vorwort in Steiner, I., und N. Schnyder: Zoo – verweilen, entdecken, geniessen. Eine fächerübergreifende Unterichtseinheit zum Lernort Zoo. Zürcher kantonale Mitteschulkonferenz, www.verlagzkm.ch.

Rübel, A. 1010. Die Aufgaben der Zoos und die Arterhaltungsprogramme, eine kritische Sicht. Verh.ber. Rigi Symp. 2010.

Rübel, A. 2010. Die Natur überlebt, wir vielleicht nicht. Zeichen der Liebe 61, 5, 5-9.

Steiner Isabelle, Schnyder Nicole, 2010. Zoo, vereilen, entdecken, geniessen. Verlag der Zürcher Kantonalen Mittelschulkonferenz, Winterthur.

Nadia Mucci, Johanna Arrendal, Hermann Ansorge, Michael Bailey, Michaela Bodner, Miguel Delibes, Ainhoa Ferrando, Pascal Fournier, Christine Fournier,  José A. Godoy, Petra Hajkova, Silke Hauer, Thrine Moen Heggberget, Dietrich Heidecke, Harri Kirjavainen, Hans-Heinrich Krueger, Kirsti Kvaloy, Lionel Lafontaine, József Lanszki, Charles Lemarchand, Ulla-Maija Liukko, Volker Loeschcke, Gilbert Ludwig, Aksel Bo Madsen, Laurent Mercier, Janis Ozolins, Momir Paunovic,  Cino Pertoldi, Ana Piriz, Claudio Prigioni, Margarida Santos-Reis Teresa Sales Luis, Torsten Stjernberg, Hans Schmid, Franz Suchentrunk, Jens Teubner, Risto Tornberg, Olaf Zinke, Ettore Randi. Genetic diversity and landscape genetic structure of otter (Lutra lutra) populations in Europe. Conserv Genet, DOI 10.1007/s10592-010-0054-3.

Welter M., 2010. Food intake and feeding behaviour in captive Andean bears (Tremarctos ornatus) and Malayan sin bears (Helarctos malayanus). Köln, Master Thesis in Biology.

Bauert, M.R. 2009. Twinning a national park: Masoala Rainforest links Zurich Zoo and Madagascar. Ulmus 13: 39.

Clauss, M., Wilkins, T., Hartley, A., Hatt, J.M. 2009. Diet composition, food intake, body condition, and fecal consistency in captive tapirs (Tapirus spp.) in UK collections. Zoo Biology 28: 279–291.

Clauss, M., Lang-Deuerling, S., Kienzle, E., Medici, E.P., Hummel, J. 2009. Mineral absorption in tapirs (Tapirus spp.) as compared to the domestic horse. Journal of Animal Physiology and Animal Nutrition 93: 768–776.

Clauss, M., Nunn, C., Fritz, J., Hummel, J. 2009. Evidence for a tradeoff between retention time and chewing efficiency in large mammalian herbivores. Comparative Biochemistry and Physiology A 154: 376-382.

Franz, R., Hummel, J., Kienzle, E., Kölle, P., Gunga H.C., Clauss, M. 2009. Allometry of visceral organs in living amniotes and its implications for sauropod dinosaurs. Proc. R. Soc. B. doi:10.1098/rspb.2008.1735.

Fritz, J., Hummel, J., Kienzle, E., Arnold, C., Nunn, C., Clauss, M. 2009. Comparative chewing efficiency in mammalian herbivores. Oikos 118: 1623-1632.

Furrer, S. 2009. Nachwuchs bei den Seitenwinder-Klapperschlangen. Datz 10:81.

Furrer, S. 2009. Schildturako (Musophaga violacea) – ein farbenprächtiger «Bananenfresser». Gefiederter Freund 2:9.

Furrer, S. 2009. Millionen sterben, und keiner schaut hin. Datz 5: 10-15.

Graf, R., Schnyder, N., Rübel, A. 2009. Shopping für den Regenwald – Tipps und Tricks, wie der Wald voll Affen bleibt. Zool. Garten 2-3, 132-140.

Gull, J.M., Steinmetz, H.W., Clauss. M., Besselmann, D., Ossent, P., Wenker, C., Hatt, J.M. 2009. Occurrence of cataract and fatty liver in captive plains viscachas (Lagostomus maximus) in relation to diet. Journal of Zoo and Wildlife Medicine 40: 652-658.

Gull, J., Steinmetz, H.W. 2009. Reptilien: ovipar und vivipar, gibt das Komplikationen? Proc. of the 40. Annual Meeting of the Swiss Association of Small Animal Medicine, 217-223.

Hatt, J.M., Zollinger, E., Boehler, A., Hofer, M., Steinmetz, H.W., Clauss, M. 2009. Collection and analysis of breath and breath condensate exhaled by feral pigeons (Columba livia) and chickens (Gallus domesticus). Veterinary Record, 165: 469-473.

Kaiser, T.M., Brasch, J., Castell, J.C., Schulz, E., Clauss, M. 2009. Dental wear patterns in captive wild ruminant species differ from those of free-ranging conspecifics. Mammalian Biology 74: 425–437.

Käppeli, U., Eulenberger, Nitzl, D, Rohrer Bley, C., Steffen, F., Sydler, T., Sschmid, N., Hatt, J.M., Steinmetz, H.W. 2009.  Clinical challenge: Hind leg paresis in a Snow leopard (Uncia uncia). J. Zoo. Wildl. Med. 40: 398–401.

Keller, A., Clauss, M., Muggli, E., Nuss, K. 2009. Even-toed but uneven in length: the digits of artiodactyls. Zoology 112: 270-278.

Koch, M., Möstl, E., Steinmetz, H.W., Clauss, M., Masello, J.F., Quillfeldt, P. 2009. Non-invasive measurement of faecal glucocorticoid metabolites in Upland Geese Chloephaga picta. Polar Biol. 32: 281–285.

Li, W., Glaser, D., Li, W., Johnson, W.E., O’Brian, S.J., Beauchamp, G.K., Brand, J.G. 2009. Analyses of sweet receptor gene (Tar lr2) and preference for sweet stimuli in species of carnivora. Journal of Heredity. Doi:10.1093/jhered/esp015.

Müller, D.W.H., Hammer, S., Hammer, C., Clauss, M. 2009. Up, over the top, or down? Population development in closed captive populations of wild ruminants. Proceedings of the International Conference on Diseases of Zoo and Wild Animals 1: 48-50.

Nees, S., Schade, B., Clauss, M., Steinmetz, H.W., Ehrensperger, F., Steck, B., Hatt, J.M. 2009. Polycystic kidney disease in the pygmy hippopotamus (Hexaprotodon liberiensis). Journal of Zoo and Wildlife Medicine 40: 529–535.

Pirovino, M., Zingg, R., Hagen, R, Heistermann, M., Kaup, F.J., Clauss, M., Hatt, J.M., Steinmetz, H.W. 2009. The influence of female life history on reproduction in captive pileated gibbons (Hylobates pileatus). Proc Int Conf Dis Zoo Wild Anim, Beekse Bergen, 307.

Rübel, A. 2009. Heini Hediger 1908-1992. Tierpsychologe – Tiergartenbiologe - Zoodirektor. Neujahrsblatt Gelehrte Gesellschaft Zürich, 172. Stück.

Rübel, A. 2009. Heini Hediger 1908-1992. Animal Psychologist – Zoo Biologist – Zoo Director. Neujahrsblatt Gelehrte Gesellschaft Zürich, 172. Stück (english).

Rübel, A. 2009. Der beste Vogelfänger der Welt, Vorwort. In: Lepperhoff, L. Der Ruf des Kongopfaus; Charles und Emy Cordier – den Tieren auf der Spur. Filander Verlag, Erlangen.

Rübel, A. 2009. Das Tier im Zoologischen Garten – Die Würde des Tieres in Ethik und Recht und die Zoologischen Gärten. Deutsches Tierärzteblatt 5, 616-620.

Rübel, A. 2009. Editorial. Gajah, Journal of the Asian Elephant Spezialist Group 30, 1.

Schmidt, B.R., Furrer, S., Kwet, A., Lötters, S., Rödder, D., Sztatecsny, M., Tobler, U., Zumbach, S. 2009. Desinfektion als Massnahme gegen die Verbreitung der Chytridiomykose bei Amphibien. Zeitschrift für Feldherpetologie, Supplement 15:229-241.

Schwarm, A., Schweigert, M., Ortmann, S., Hummel, J., Janssens, G.P.J., Streich, W.J., Clauss, M. 2009. No easy solution for the fractionation of faecal nitrogen in captive wild herbivores: results of a pilot study. Journal of Animal Physiology and Animal Nutrition 93: 596–605.

Schwarm, A., Ortmann, S., Wolf, C., Streich, J., Clauss, M. 2009.  More efficient mastication allows increasing intake without compromising digestibility or necessitating a larger gut: comparative feeding trials in banteng (Bos javanicus) and pygmy hippopotamus (Hexaprotodon liberiensis). Comparative Biochemistry and Physiology A 152: 504-512.

Schwarm, A., Ortmann, S., Wolf, C., Clauss, M. 2009. No distinct difference in the excretion of large particles of varying size in a wild ruminant, the banteng (Bos javanicus). European Journal of Wildlife Research 55: 531-533.

Steinmetz, H.W., Eulenberger, U., Riond, B., Schwarzwald, C., Hatt, J.M. 2009. Successful treatment of a Steptococcus meningoencephalitis in a black rhino (Dicoros bicornis) . Proc Int Conf Dis Zoo Wild Anim, Beekse Bergen, 132-133.

Steinmetz, H.W., Gull, J. 2009. Heimsäuger: Trächtigkeit und Aufzucht. Proc. of the 40. Annual Meeting of the Swiss Association of Small Animal Medicine, 203-215.

Steinmetz, H.W., Gull, J. 2009. Vögel: Das Ei und seine Komplikationen. Proc. of the 40. Annual Meeting of the Swiss Association of Small Animal Medicine, 225-233.

Wanger, T.C., Motzke, I., Furrer, S.C., Gruber, B. 2009. Movement patterns and habitat selection of the giant day gecko (Phelsuma madagascariensis grandis) in the Masoala rainforest exhibit, Zurich Zoo. Salamandra 45 (3): 147-153. 

Wanger, T.C., Motzke, I., Furrer, S.C., Brook, B.W., Gruber, B. 2009. How to monitor elusive lizards: comparison of capture-recapture methods on giant day gecko (Gekkonidae, Phelsuma madagascariensis grandis) in the Masoala rainforest exhibit, Zurich Zoo. Ecol. Res. 24:345-353.

Wenker, C.J., Clauss, M., Besselmann, D., Streich, W.J., Lutz, H. 2009. Changes in body weight, hematology, and serum biochemistry in captive plains viscachas (Lagostomus maximus) with presumptive diabetes type II after a diet change. Schweizer Archiv für Tierheilkunde 151: 61-68.

Wilhelm, M. 2009. Eine Xylaria, die in Termitennestern wächst. SZP/BSM: 72.

Zenker, W., Clauss, M., Huber, J., Altenbrunner-Martinek, B. 2009. Rumen pH and claw health in two groups of captive wild ruminants. In: Clauss M, Fidgett AL, Hatt JM, Huisman T, Hummel J, Janssen G, Nijboer J, Plowman A (eds) Zoo animal nutrition Vol. IV. Fürth, Filander Verlag, 247-254.

Zerbe, P., Schwarz, C., Deb, A., Borjal, R.J., Arif, A., Taha, A.S., Streich, W.J., Clauss, M., Hammer, S. 2009. Long-term monitoring of endoparasites in captive birds-of-paradise at Al Wabra Wildlife Preservation, Doha. International Zoo Yearbook 49: 149-158.

Zerbe, P., Glaus, T., Clauss, M., Hatt, J.M., Steinmetz,  H.W. 2009. Ultrasonographic evaluation of the postprandial heart variation in juvenile Paraguayan anakondas (Eunectes notaeus). Proc Int Conf Dis Zoo Wild Anim, Beekse Bergen, 31-32.

Zimmermann, N., Zingg, R., Makara, M., Hatt, J.M., Steinmetz, H.W. 2009. Computertomographic evaluation o the upper respiratory tract in orang-utans (Pongo pygmaeus, Pongo abelii). Proc Int Conf Dis Zoo Wild Anim, Beekse Bergen, 102-103.

Andreone, F., Carpeter A.I., Cox, N., Preez, L., Freeman, K., Furrer, S., Garcia G., Glaw, F., Glos, J., Knox, D., Köhler, J., Mendelson, J.R. III, Mercurio, V., Mittelmeier, R.A., Moore, R.D., Rabibisoa, N.H.C., Randriamahazo, H., Randrianasolo, H., Raminosoa, N.R., Ramilijaona, O.R., Raxworthy, C.J., Vallan, D., Vences, M., Vieites, D.R. and Weldon, C. 2008. The challenge of conserving amphibian megadiversity in Madagascar. PLOS 6 (5) e118.

Buley, K., Furrer, S.C., Garcia, G., Gibson, R.C., Gili, C., Mattioli, F., and Andreone, F. 2008. Captive breeding and zoo actions. In: Sahonagasy Action Plan Conservation Programs for the Amphibians of Madagascar. Editors: Franco Andreone Herilala Randriamahazo. Published by: Museo Regionale di Scienze Naturali (Turin, Italy), Conservation International (Arlington, USA), and International Union for Conservation of Nature (IUCN) (Gland, Switzerland).

Clauss, M., Hatt, J.M., Hummel, J. 2008. Fütterung grosser Pflanzenfresser. Tagungsbericht der 26. Arbeitstagung der Zootierärzte im deutschsprachigen Raum, S. 61-74.

Clauss, M., Dierenfeld, E.S. , Bigley, K.E., Wang, Y., Ghebremeskel, K., Hatt, J.M., Flach, E.J., Behlert, O., Castell, J.C., Streich, W.J. and Bauer, J.E. 2008. Fatty acid status in captive and free-ranging black rhinoceroses (Diceros bicornis). Journal of Animal Physiology and Animal Nutrition 92, 231-241.

Clauss, M., Hammer, S., Deb, A., Knauf, S., Martin J. O., Wenker, C., Hatt, J.M. 2008. «Zoo research camp 2007» of the Al Wabra wildlife preservation and the Vetsuisse faculty, and «First EAZWV summer school» at Basle zoo – two approaches to introduce veterinary students to zoo animal medicine. Conference of the European Association of Zoo and WIldlife Veterinarians, Leipzig 2008; 77-80.

Clauss, M., Hummel, J., Schwarm, A., Steuer, P., Fritz, J., Martin Jurado, O., Tschudin, A. and Hatt, J.M. 2008. An isthmus at the caecocolical junction is an anatomical feature of domestic and wild equids. European Journal of Wildlife Research, 54, 347-351.

Clauss, M., Wittenbrink, M.M., Castell, J.C., Kienzle, E., Dierenfeld, E.S., Flach, E.J., Hummel, J., Streich, W.J., and Hatt, J.M. 2008. Quantification of enterobacteriaceae in feces of captive black rhinoceros (Diceros bicornis) in relation to dietary tannin supplementation.  Journal of Animal Physiology and Animal Nutrition, 92, 29-34.

Clauss, M., Aufranc, R. and Hatt, J.M. 2008. Feeding and faeces consistency of South American tapir (Tapirus terrestris) at Zurich Zoo. Der Zoologische Garten 77, 297-302.

Clauss, M., Dierenfeld, E.S. 2008. The nutrition of browsers. In: Fowler ME, Miller RE (eds) Zoo and wild animal medicine. In «Zoo and Wild Animal Medicine 6th edition» M.E. Fowler and E. Miller, Eds., 444-454, Elsevier Saunders, 2008.

Students of the First EAZWV Summer School and supervisor M., Clauss 2008. Evaluation of okapi (Okapia johnstoni) necropsy reports and studbook data as part of the EAZWV Summer School. Proceedings of the European Association of Zoo- and Wildlife Veterinarians 7: 323-327.

Eulenberger, U., Steinmetz, H., Hatt, J.M. 2008. The use of endoscopy as a diagnostic tool in small exotic mammals. Conference of the European Association of Zoo and Wildlife Veterinarians, Leipzig 2008; 291-299.

Foldenauer, U., Nitzl, D., Ohlerth, S., Hatt, J.M. 2008. Use of computed tomography in non-anaesthetized psittacine birds. Conferernce of the Association of Avian Veterinarians, Savannah, Georgia 2008; 39-40.

Foldenauer, U., Pendl, H., Nitzl, D., Bodgdanova, A.Y., Zollinger, E., Hofer, M., Boehler, A., Hatt, J.M. 2008. Breath analysis in birds – a novel approach to the non-invasive detection of lower respiratory tract disease. Conference of the Association of Avian Veterinarians, Savannah, Georgia 2008; 45.

Furger, M., Hoop, R., Steinmetz, H., Eulenberger, U., and Hatt, J.M. 2008. Humoral immune response to avian unfluenza vaccination over a six-month period in different species of captive wild birds. Avian Diseases 52: 222-228.

Furrer, S.C. 2008. Ein frühösterlicher Eiersegen: Die Galapagos Riesenschildkröte. Marginata 58-59.

Furrer, S.C. 2008: Haltung von Amphibien – Ausstellungsterrarien. In: Amphibien brauchen unsere Hilfe. Verhandlungsbericht des Amphibienkurses der WAZA S. 78.

Furrer, S.C. and Corredor, G. 2008. Conservation of threatened amphibians in Valle del Cauca, Colombia: a cooperative project between Cali Zoological Foundation, Colombia, and Zoo Zürich, Switzerland. Int. Zoo Yb 42: 158-164.

Furrer, S.C. 2008: Erhaltung von bedrohten Amphibien im Valle del Cauca, Kolumbien. Ein gemeinsames Projekt des Cali Zoo (Kolumbien) und des Zoo Zürich (Schweiz). In: Amphibien brauchen unsere Hilfe. Verhandlungsbericht des Amphibienkurses der WAZA S. 116-117.

Furrer, S.C. 2008: Das Schweigen der Frösche – Amphibien in Gefahr. Wie der Zoo Zürich seine Besucher über die Amphibienkrise informiert. In: Amphibien brauchen unsere Hilfe. Verhandlungsbericht des Amphibienkurses der WAZA S. 122.

Furrer, S.C. 2008. Madagascar amphibian conservation in Zoo Zürich, Switzerland. In: A conservation strategy for the amphibians of Madagascar. Monografie del Museo Regionale di Scienze Naturali di Torino. 301-308.

Furrer, S.C. 2008. The amphibian crisis – can aquariums play a role in amphibian conservation? 7th International Aquarium Congress, Shanghai. www.iac2008.cn. B-78-86.

Furrer, S.C. 2008. Mantella laevigata: Schweizer Buntfröschchen-Nachzucht. DATZ 1: 8.

Furrer, S.C. 2008. Einmalige Nachzucht: Galapagos Riesenschildkröten DATZ 6: 7.

Gehring, P.S., Lutzmann, N., Furrer, S. and Sossinka, R. 2008. Habitat preferences and activity patterns of Furcifer pardalis (CUVIER, 1829) in the Masoala Rain Forest Hall of the Zurich Zoo. Salamandra 44 (3): 129-140.

Gehring, P.S., Lutzmann, N., Furrer, S. and Sossinka, R. 2008. Habitatpräferenzen und Aktivitätsmuster bei Pantherchamäleons (Furcifer pardalis (Cuvier, 1829) in der Masoala-Regenwaldhalle des Zoo Zürich. Salamandra 44 (3): 129-140.

Gibson, R. and Furrer, S. 2008. The link between the Amphibian Ark and the amphibian regional collection plan. EAZA news 64: 19-20.

Hatt, J.M. and M. Furger. 2008. Experiences with the vaccination of zoo birds against avian influenza in 4 zoological gardens in Switzerland. 4. Leipziger Tierärztekongress, 17.-19. January 2008, Leipzig, Germany. 635-638.

Hatt, J.M., Carpenter, J.W. 2008. The American college of zoological medicine: opportunities for international membership in this speciality organization. Conference of the European Association of Zoo and Wildlife Veterinarians, Leipzig 2008; 73-75.

Hatt, J.M. 2008. Raising giant tortoises. In «Zoo and Wild Animal Medicine 6th edition» M.E. Fowler and E. Miller, Eds., 144–153, Elsevier Saunders, 2008.

Hummel, J., Fritz, J., Kienzle, E., Medici, E.P., Lang, S., Zimmermann, W., Streich, W.J., Clauss, M. 2008. Differences in fecal particle size between free-ranging and captive individuals of two browser species. Zoo Biology 27: 70-77.

Lang, S., Kienzle, E., Hummel, J., Hatt, J.M., Clauss, M. 2008. Digestive physiology and feeding of captive tapirs (Tapirus spp.). 5th European Zoo Nutrition Conference, Abstract Book p. 36.

Liesegang, A., Hatt, J.M. und Wanner, M. 2008. Einfluss der Kalziumkonzentrationen im Futter auf die Verdaulichkeit von Kalzium, Magnesium und Phosphor bei Testudo hermanni. Marginata 35-40.

Martin, J. O., Steinmetz, H.P., Eulenberger, U., Bettschart-Wolfensberger, R., Hatt, J.M. 2008. Application of bispectral inderx (BIS) to determine the anaesthesia depth in zoo animals. Conference of the European Association of Zoo and Wildlife Veterinarians, Leipzig 2008; 381-382.

Martin J. O., Clauss, M., Streich, J.W. and Hatt, J.M. 2008. Irregular tooth wear in captive wild ruminants: a pilot study of necropsy reports. Journal of Zoo and Wildlife Medicine, 39, 69-75.

Rübel, A. 2008. Königspinguin (Aptenodytes patagonicus). Fachbiologische Informationen, Kompetenzzentrum Wildtierhaltung. Bezug: www.kompetenzzentrum-wildtierhaltung.ch.

Schatz, A., Zingg, R., Hatt, J.M., Clauss, M. 2008. Welfare is not a privilege of show animals only: carbon dioxide euthanasia of small prey animals. EAZA Newsletter, Zoo Nutrition Issue 4: 29.

Schelling, C., Steinmetz, H.W., Brunner, R.M., Goldammer, T., Pienkowska-Schelling, A. 2008. Identification of a marker chromosome in a female Sumatran orang utan. Chromosome Research 16, 1036.

Schmid, H., und Hatt, J.M. 2008. Amurtiger (Panthera tigris altaica). Fachbiologische Informationen, Kompetenzzentrum Wildtierhaltung. Bezug: www.kompetenzzentrum-wildtierhaltung.ch.

Schmid, H., Hatt, J.M. und Schildger, B. 2008. Braunbär (Ursus arctos). Fachbiologische Informationen, Kompetenzzentrum Wildtierhaltung. Bezug: www.kompetenzzentrum-wildtierhaltung.ch.

Steinmetz, H.W., Eulenberger, U., Riond, B., Schwarzwald, C., Hatt, J.M. 2008. Encephalitis bei einem Spitzmaulnashorn (Diceros bicornis), Proc. Arbeitstagung der Zootierärzte im deutschsprachigen Raum, Gelsenkirchen, Germany, in press.

Steinmetz, H.W., Eulenberger, U., Hatt, J.M. 2008. Daily clinical examinations in a herd of captive Asian elephants (Elaphas maximus) where endotheliotophic elephant herpes virus has occurred, Proc. AAZV Conference, Los Angeles CA, 124-125.

Steinmetz, H.W., Bakony, T., Chvala, S., Weissenböck, H., Eulenberger, U., Hatt, J.M., Robert, N., Hoop, R., Nowotny, N. 2008. Emergence and spread of USUTU virus in central Europe on the basis of the outbreak in Switzerland, Proc. AAZV Conference, Los Angeles CA, 140-141.

Wanger, T.C., Motzke, I., Furrer, S.C., Brook, B.W. and Gruber, B. 2008. How to monitor elusive lizards: comparison of capture-recapture methods on giant day geckos (Gekkonidae, Phelsuma madagascariensis grandis) in the Masoala rainforest exhibit, Zurich Zoo. Ecol Res doi:10.1007/s11284-008-0511-3.

Wielinga, P., Eulenberger, U., Lutz, T.A., Clauss, M., Hatt, J.M. 2008. Influence of concentrate or roughage feeding on body weight and blood parameters in captive plains viscachas (Lagostomous maximus). 5th European Zoo Nutrition Conference, Abstract Book p. 50.

Wilhelm, M. 2008. Pilzarten der Masoala-Halle des Zoo Zürich. Schweizerische Zeitschrift für Pilzkunde (2): 59-63.

Wings, O., Hatt, J.M., Schwarm, A., Clauss, M. 2008. Gastroliths in a pygmy hippopotamus (Hexaprotodon liberiensis). Senckenbergiana biologica 88: 345-348.

Bauert, M.R., Furrer, S.C., Zingg, R. and Steinmetz H.W. 2007. Three years of experience running the Masoala Rainforest ecosystem at Zurich Zoo, Switzerland. Int. Zoo Yb 41: 203-216.

Bauert, M.R. und Reisinger, G. 2007. Dschungel erhellen. Tec21 40: 34-37.

Bauert, M.R., Kälin, M.K., Edwards, P.J. and Baltisberger, M. 2007. Genetic structure and phylogeography of alpine relict populations of Ranunculus pygmaeus and Saxifraga cernua. Bot. Helv. 117: 181 – 196.

Burgener, N., Gusset, M. and Schmid, H. 2007. Frustrated Appetitive Foraging Behavior, Stereotypic Pacing, and Fecal Glucocorticoid Levels in Snow Leopards (Uncia uncia) in the Zurich Zoo. Journal of Applied Animal Welfare Science. Online Publication.

Clauss, M., Steinmetz, H.W., Eulenberger, U., Ossent, P., Zingg, R., Hummel, J. and Hatt, J.M. 2007. Observations on the length of the intestinal tract of African Loxodonta Africana (Blumenbach 1797) and Asian elephants Elephas maximus (Linné 1735). Eur J Wildl Res, 53, 68-72.

Clauss, M., Streich, W.J., Schwarm, A., Ortmann, S. and Hummel, J. 2007. The relationship of food intake and ingesta passage predicts feeding ecology in two different megaherbivore groups. Oikos 116: 209-216.

Clauss, M., Castell, J.C., Kienle, E., Schramel, P., Dierenfeld, E.S., Flach, E.J., Behlert, O., Streich, W.J., Hummel, J. and Hatt J.M. 2007. Mineral absorption in the black rhinoceros (Diceros bocornis) as compared to the domestic horse. European Journal of Wildlife Research 53: 68-72.

Clauss, M., Besselmann, D., Schwarm, A., Ortmann, S. and Hatt, J.M. 2007. Demonstrating coprophagy with passage markers? The example of the plains viscacha. Comparative Biochemistry and Physiology A 147: 453-459.

Clauss, M., Grum, C. and Hatt, J.M. 2007. Fatty acid status of captive wild animals: a review. Der Zoologische Garten 76: 382-401.

Clauss, M., Castell, J.C., Kienzle, E., Dierenfeld, E.S., Flach, E.J., Behlert, O., Ortmann, S., streich, W.J., Hummel, J. and Hatt, J.M. 2007. The influence of tannin supplemenation on digestive performance in captive black rhinoceros (Diceros bicornis). Journal of Animal Physiology and Animal Nutrition 91: 449-458.

Clauss, M., Kaiser, T. and Hummel, J. 2007. The morphophysiological adaptations of browsing and grazing mammals. In: Gordon, I.J. and Prins, H.H.T. The ecology of browsing and grazing. Heidelberg: 47-88.

Clauss, M., Castell, J.C., Kienzle, E., Schramel, P., Dierenfeld, E.S., Flach, E.J., Behlert, O., Streich, W.J., Hummel, J. and Hatt, J.M. 2007. Mineral absorption in the black rhinoceros (Diceros bicornis) as compared to the domestic horse. Journal of Animal Physiology and Animal Nutrition 91:193-204.

Furrer, S.C., Wüst, M. und Kehl, A. 2007. Nachzucht bei Weissschwanztrogon und türkisblauer Kotinga. Gefiederte Welt 6: 170-172.

Furrer, S.C. 2007. Neukaledonische Riesengeckos – getarnte Riesen. Datz 9: 20-21.

Furrer, S.C. 2007. Individualität und Systeme. Mobilität 7-12.

Graf, R. 2007. Monitoring the success of a permanent exhibition. EAZA News 59: 16-17.

Graf, R. und Schnyder, N. 2007. Shopping for the Rainforest, Hints and tips on how to keep the monkeys in the forest.

Graf, R. und Schnyder, N. 2007. Shopping für den Regenwald, Tipps und Tricks, wie der Wald voll Affen bleibt.

Graf, R. und Schnyder, N. 2007. Shopping au profit de la forêt pluviale, ou comment préserver une forêt peuplée de singes.

Hatchwell, M. and Rübel, A. 2007. The Masoala Rainforest: a model partnership in support of in situ conservation in Madagascar. In Zoos in the 21st Century – Catalysts for Conservation? Cambridge University Press. 205-219.

Hatchwell, M., Rübel, A., Dickie, L., West, C. and Zimmermann, A.  2007. Conclusion: the future of zoos. In Zoos in the 21st Century – Catalysts for Conservation? Cambridge University Press. 343-360.

Hatt, J.M., Christen, C. and Sanmeier, P. 2007. Clinical application of an external fixator in the repair of bone fractures in 28 birds. The veterinary Record 160: 188-194.

Hefti, K. 2007. The behavior of Neolamprologus multifasciatus as a function of snail shell density. Projektarbeit, Zoologisches Institut, Universität Zürich.

Isenbügel, E. 2007. Tierisch oft kopiert. Zürich Spirit Magazin 4.

Liesegang, A., Hatt, J.M. and Wanner, M. 2007. Influence of different dietary calcium levels on the digestibility of Ca, Mg and P in Hermann’s tortoises (Testudo hermanni). Journal of Animal physiology and animal nutrition 91:459-464.

Rübel, A. 2007. Tiere als Symbole im Werk Albrecht Dürers. Manati Nürnberg, 1, 3-8.

Rübel, A. 2007. Eine Arche Noah vor unseren Augen. Schweizer Familie 19, 6-7.

Rübel, A. 2007 Der Masoala Regenwald. In: Böhmer, R., Brändli, S., Leonhard, M. und Niederhäuser, P. Vom Grabhügel zur Ökosiedlung – Zürcher Bau-Geschichten. Mitteilungen der Antiquarischen Gesellschaft in Zürich, Bd. 74.

Schnyder, N. und Graf , R. 2007. Lernweg Katzen über Amurtiger, Indischer Löwe, Manul und Schneeleopard.

Schnyder, N. und Steiner, I. 2007. Bestimmungsbuch Masoala Regenwald. Ein Heft mit Kurzinformationen über 14 Tier- und 13 Pflanzenarten.

Stammler, N. 2007. Detection of Forest cover changes on the Masoala Peninsula, Madagascar. Diplomarbeit Geografisches Institut der Universität Zürich.

Steinmetz, H.W., Vogt, R., Kästner, S., Riond, B. and Hatt, J.M. 2007. Evaluation of the i-STAT portable clinical analyzer in chickens (Gallus gallus). J. Vet. Diagn. Invest., 19, 382-388.

Steinmetz, H.W., Clauss, M., Feige, K., Thio, T., Isenbügel, E. and Hatt, J.M. 2007. Recurrent tongue tip constriction in a captive Giant anteater (Myrmecophaga tridactyla). J. Zoo. Wildl. Med., 38, 146-149.

Tessa, G., Guarino, F.M., Giacoma, C., Mattioli, F. and Andreone, F. 2007. Longevity and body size in three populations of Dyscophus antongilii (Microhylidae, Dyscophinae), the tomato frog from north-eastern Madagascar. Acta Herpetologica 2(2): 139-146.

Zingg, R. 2007. Afrikanisches Gebirge im Zoo Zürich. Tiergarten Rundbrief 3: 3-5.

Clauss, M., Castell, J.C., Kienzle, E., Dierenfeld, E.S., Flach, E.J., Behlert, O., Ortmann, S., Streich, W.J., Hummel, J. and Hatt, J.-M. (2006) Digestion coefficients achieved by the black rhinoceros (Diceros bicornis), a large browsing hindgut fermenter. Journal of Animal Physiology and Animal Nutrition, 90, 325–334.

Clauss, M., Castell, J.C., Kienzle, E., Schramel, P., Dierenfeld, E.S., Flach, E.J., Behlert, O., Hatt, J.-M., Streich, W.J. and Hummel, J. 2006. Macromineral absorption in the black rhinoceros (Diceros bicornis) as compared to the domestic horse. Journal of Nutrition, 136, 2017S–2020S.

Hatt, J.-M. and Clauss, M. 2006. Nutrition in elephants. International Zoo Yearbook, 40, 88–95.

Clauss, M. and Hatt, J.-M. 2006. Nutrition in rhinoceros. International Zoo Yearbook, 40, 197–209.

Clauss, M., Hänichen, T., Hummel, J., Ricker, U., Block, K., Grest, P. and Hatt, J.M. 2006. Excessive iron storage in captive omniovres? The case of the coati (Nasua spp.). In: Fidgett, A., Clauss, M., Eulenberger, K., Hatt, J.M., Hume, I., Janssens, G., Nijboer, J. (eds) Zoo animal nutrition III. Filander Verlag, Fürth, Germany, pp. 91–99.

Hatt, J.M. and Clauss, M. 2006. Browse silage in zoo animal nutrition – feeding enrichment of browsers during winter. In: Fidgett, A., Clauss, M., Eulenberger, K., Hatt, J.M., Hume, I., Janssens, G., Nijboer, J. (eds) Zoo animal nutrition III. Filander Verlag, Fürth, Germany, pp. 201–204.

Hatt, J.M. 2006. Digesta kinetics in feral pigeons (Columbia livia). In: Fidgett, A., Clauss, M., Eulenberger, K., Hatt, J.M., Hume, I., Janssens, G., Nijboer, J. (eds) Zoo animal nutrition III. Filander Verlag, Fürth, Germany, pp. 35–39.

Furrer, S.C., Jaag, K., von Stockar, S. and Rübel, A. 2006. First experiences with free-ranging giant day geckos (Phelsuma madagascariensis grandis, Gray 1870) in the Masoala Rainforest exhibit in Zurich Zoo, Switzerland. Zoobiology 25: 409–415.

Furrer, S.C. 2006. Freihaltung von Amphibien und Reptilien in der Masoala-Tropenhalle im Zoo Zürich. In. Zootierhaltung Tiere in menschlicher Obhut, Reptilien und Amphibien, W.E. Engelmann (Hrsg.). Verlag Harri Deutsch.

Furrer, S.C. 2006. Zehnfach erfolgreich: Skorpionskrustenechsen. S. 5, Datz 8/06.

Furrer, S.C. 2006. Von der Fähigkeit, Wärme wahrzunehmen. Mobilität, I–VI.

Furrer, S.C. 2006. Faultiere – optimale Anpassungsleistungen. Mobilität, IX–XII.

Furrer, S.C., Honegger, R.E. and Hatt, J.M. 2006. Propagation of Geochelone nigra at Zoo Zurich, Switzerland: the first ten years. In: Turtles, Proceedings: International turtle and tortoise symposium vienna 2002. H. Artner, B. Farkas & V. Loer (Eds.). Edition Chimaira.

Graf, R. and Hausheer, R. 2006. Drei Nashörner in Afrika – Eine abenteuerliche Geschichte. Comic-Heft.

Rajaonarisoa, M., Rakotozandriny, J., Katz, A., Clauss, M. and Hatt, J.M. 2006. Improving the dietary regime for captive lemurs at Ivoloina park by computer-based ration analysis. European Association of Zoo-and Wildlife Veterinarians. Budapest, Hungary.

Rübel, A. and Schenkel, R. 2006. Zoologische Gärten und Nashörner. In: Schenkel, R., Nievergelt, B., Bucher, F. 8 Hörner auf 5 Nasen. Tierschutzverlag Zürich.

Rübel, A. 2006. Wozu eine staatlich kontrollierte Wildtierhaltung? Mindestanforderungen als Massstab für gesetzeskonforme Gehege. NZZ 31.10.2006.

Rübel, A. 2006. Zum Tod und im Gedenken an Zoo-Ehrenpräsident Rolf Balsiger. Tages Anzeiger 30.10.2006.

Rübel, A. 2006. Dank der Jagd verschont. Jagd & Natur 4: 36–39.

Rübel, A. and Furrer, S. 2006. Das Schweigen der Frösche – was der Zoo Zürich unternimmt. Zool. Garten N.F. 76: 201–207.

Sommerfeld, R., Bauert, M., Hillmann, E. and Stauffacher, M. 2006. Feeding enrichment by self-operated food boxes for white-fronted lemurs (Eulemur fulvus albifrons) in the Masoala exhibit of the Zurich Zoo. Zoo Biology 25: 145–154.

Zollinger, E., Clauss, M., Steinmetz, H.W. and Hatt, J.M. 2006. Collection of exhaled breath and exhaled breath condensate in veterinary medicine. A review. Veterinary Quaterly, 28, 105–117.

Steinmetz, H.W., Nitzl, D., Curd, S., Zulauf-Fischer, I., Christen, C. and Hatt, J.M. 2006. Ultrasonography in avian species: An underused diagnostic tool. ExoticDVM, 8.3, 66–77.

Steinmetz, H.W., Kaumanns, W., Dix, I., Heistermann, M., Fox, M. and Kaup, F.J. 2006. Coat condition, housing condition and measurement of faecal cortisol metabolites – A non-invasive study about alopecia in captive rhesus macaques (Macaca mulatta) J. Med. Primatol., 35, 3–11.

Wöhrmann, T., Röösli, W. and Bauert, M., 2006. Madagassische Sukkulenten. 44p.

Christen, C., Fischer, I., von Rechenberg, B., Flückiger, M. and Hatt, J.-M. 2005. Fracture repair of the ulna using the maxillofacial mini-plate compact 1.0 in pigeons (Columba livia). Journal of Avian Medicine and Surgery, 19, 185–190.

Clauss, M., Froeschle, T., Castell, J.C., Hatt, J.-M., Ortmann, S., Streich, W.J., and Hummel, J. 2005. Fluid and particle retention times in the black rhinoceros Diceros bicornis, a large hindgut-fermenting browser. Acta Theriologica 50, 367–376.

Clauss, M., Robert, N., Walzer, C., Vitaud, C., Hummel, J. 2005. Testing predictions on body mass and gut contents: dissection of an African elephant (Loxodonta Africana). European Journal of Wildlife Research 51: 291–294.

Clauss, M., Poster, C., Kienzle, E., Wiesner, H., Baumgartner, K., von Houwald, F., Streich, W.J., and Dierenfeld, E. 2005. Energy and mineral nutrition and water intake in the captive indian rhinoceros (Rhinoceros unicornis). Zoo Biology 24: 1–14.

Clauss, M., Polster, C., Kienzle, E., Wiesner, H., Baumgartner, K., von Houwald, F., Ortmann, S., Streich, W.J., Dierenfeld, E.S. 2005. Studies on digestive physiology and feed digestibilities in captive Indian rhinoceros (Rhinoceros unicornis). Journal of Animal Physiology and Animal Nutrition 89: 229–237.

Clauss, M., Hummel, J., Vercammen, F., Streich, W.J. 2005. Observations on the macroscopic digestive anatomy of the Himalayan Tahr (Hemitragus jemlahicus). Anatomia Histologia Embryologia 34: 276–278.

Clauss, M., Gehrke, J., Hatt, J.-M., Dierenfeld, E.S., Flach, E.J., Hermes, R., Castell, J., Streich, W.J. and Fickel, J. 2005. Tannin-binding salivary proteins in three captive rhinoceros species. Comparative Biochemistry and Physiology, Part A, 140, 67–72.

Dierenfeld, E.S., Atkinson, S., Craig A.M., Walker, K.C., Streich, W.J. and Clauss, M. 2005. Mineral concentrations in serum/plasma and liver tissue of captive and free-ranging rhinoceros species. Zoo Biology 24: 51–72.

Flores-Miyamoto, K., Clauss, M,. Ortmann, S., Sainsbury, A.W. 2005. The nutrition of captive Lowland anoa (Bubalus depressicornis): a study on ingesta passage, intake, digestibility and a diet survey. Zoo Biology 24: 125–134.

Furrer, S. 2005. Multiple-species exhibits at the reptile department and in Masoala rainforest of Zoo Zürich, Switzerland. Proceedings of the 6th International Aquarium Congress, California, USA.

Furrer, S. 2005. Breeding of the beaded lizard in Zurich Zoo. EAZA-news 50: 14–15.

Furrer, S. 2005. Kamele – die Taxis der Seidenstrasse. Mobilität I–V.

Furrer, S. 2005. Vernetzungen von Individuen als Erfolgsrezept. Mobilität VI–XII.

Graf, R. 2005. Naturführer Masoala Regenwald im Zoo Zürich. Ropress Genossenschaft, Zürich.

Hummel, J., Clauss, M., Zimmermann, W., Johanson, K., Norgaard, C., Pfeffer, E. 2005. Fluid and particle retention in captive okapi (Okapia johnstoni). Comparative Biochemistry and Physiology A 140: 436–444.

Lutzmann, N. 2005. Chamaeleo (Triceros) (rudis) sternfeldi RAND. Sauria, Suppl., Berlin, 2005, 27 (3): 641–644.

Hatt, J.-M., Clauss, M., Gisler, R., Liesegang, A. and Wanner, M. 2005. Fiber Digestibility in juvenile Galapagos tortoises (Geochelone nigra) and implications fort he development of captive animals. Zoo Biology 24: 185–191.

Hatt, J.-M., Schaub, D., Wanner, M., Wettstein, H.-R., Flach, E.J., Tack, C., Hässig, M. Ortmann, S., Streich, W.J., Hummel, J. and Clauss, M. 2005. Energy and fiber intake in a group of captive giraffe (Giraffa camelopardalis) offered increasing amounts of browse. Journal of Veterinary Medicine Series A 52, 485–490.

Lang, S., Medici, E.P., Fritz, J,. Hatt, J.-M., Hummel, J., Clauss, M. 2005. Faeces consistency in captive tapirs. Fourth European Zoo Nutrition Meeting, Leipzig 20.–23.1.2005, Abstract Book, p. 38.

Potter, J., Clauss, M. 2005. Mortality of captive giraffe (Giraffa camelopardalis) associated with serous fat atrophy: a review of five cases at Auckland Zoo. Journal of Zoo and Wildlife Medicine 36: 301–307.

Rübel, A. 2005. Welche Leistungen wollen die Zoos künftig erbringen? WAZA, Bern.

Rübel, A. 2005. Zoos und Aquarien für Naturschutz – Eine neue Strategie der Zoos auf dem Weg zu Naturschutzzentren. Verhandlungsbericht Verband Deutscher Zoodirektoren 2005.

Rübel, A. 2005. Albert Schweitzer und sein Respekt vor der Natur. Berichte aus Lambarene 100, 2–3, Zürich.

Rübel, A. 2005. Mensch und Tier. Vontobel-Stiftung, Zürich.

Schmid, H. 2005. Der Fischotter. Biologie einheimischer Wildtiere 1/38a, Wildtier Schweiz, Zürich.

Schnyder, N., Steiner, I. und Rübel, A. 2005. Den Besuch des Zoos Zürich im Internet vorbereiten – jetzt auch für Behinderte. Der Zoologische Garten 75 (2): 1–8.

Schöbi, J. 2005. Nährstoffvorräte und –Verfügbarkeit im Bodensubstrat des Masoala Regenwaldes des Zoo Zürich. Diplomarbeit, ETHZ.

Stadie, T. 2005. Raum-Erlebnis-Evaluation (REE) eine anwendungsorientierte Analyse am Beispiel des Menschenaffenhauses im Zoo Zürich. Diplomarbeit, Fachhochschule Oldenburg/Ostfriesland/Wilhelmshaven.

Steinmetz, H.W., Kaumanns, W., Dix, I., Müller, E. U. Kaup, F.J. 2005. Dermatologic investigation of alopecia in Rhesus macaques (Macaca mulatta). J. Zoo Wildl. Med. 36, 229–238.

Steinmetz, H.W., Fischer, I., Christen, C., Curd, S., Hatt, J.M. 2005. Königspinguin und Schneeeule: Neues von der Aspergillosefront. Proc. Arbeitstagung der Zootierärzte im deutschsprachigen Raum 25, Bremerhaven, in press.

Steinmetz, H.W., Hatt; J.M., Isenbügel; E., Ossent; P., Zingg, R. 2005. Animal welfare, health status and risk of disease transmission in free-roaming Golden-headed tamarins (Leontopithecus chrysomelas). Verh.ber. Erkrg. Zootiere 42, 162–163.