Clauss, M.

Sauspeter, G.; Clauss, M.; Ortmann, S.; Abraham, A.J.; Biddle, R.; Versteege, L.; Przybylo, M. 2025. Feeding management of African rhinos (Ceratotherium simum, Diceros bicornis) in European zoos. Zoo Biology 2025: 1-15. doi.org/10.1002/zoo.70031

Avedik. A.; Duque-Correa, M.J.; Clauss, M. 2023. Avoiding the lockdown: Morphological facilitation of transverse chewing movements in mammals. Journal of Morphology 284, e21554: 1-11, 8 figures. doi.org/10.1002/jmor.21554

Wittwer, A.; Roller, M.; Mueller, D.W.H.; Bertelsen, M.F.; Lackey, L.B.; Steck, B.; Biddle, R.; Versteege, L.; Clauss, M. 2023. Historical development of the survivorship of zoo rhinoceroses – a comparative historical analysis. Zoo Biology 2023: 1-14. doi.org/10.1002/zoo.21793

Radeke-Auer, K.; Wittwer, A.; Aust, J.; Roller, M.; Mueller, D.; Houwald, F. von; Steck, B.; Biddle, R.; Versteege, L.; Clauss, M. 2022. Reproductive non-seasonality in rhinoceroses: A review of the in-situ literature and birth records of ex-situ institutions. Journal of Zoo and Aquarium Research 10 (1): 23-30. doi.org/10.19227/jzar.v10i1.628

Okita-Ouma, B.; Pettifor, R.; Clauss, M.; Prins, H.H.T. 2021. Effect of high population density of eastern black rhinoceros, a mega-browser, on the quality of its diet. African Journal of Ecology 2021 - early view: 1-16. doi.org/10.1111/aje.12893

Pucora, E.; Schiffmann, C.; Clauss, M. 2019. Resting postures in terrestrial mammalian herbivores. Journal of Mammalogy 100 (2): 552-563. doi.org/10.1093/jmammal/gyz044

Heidegger, E.M.; Steck, B.; Clauss, M. 2016. Body condition scoring system for greater one-horned rhino (Rhinoceros unicornis): development and application. Zoo Biology 35: 432–443. doi.org/10.1002/zoo.21307

Taylor, L.A.; Müller, D.W.H.; Schweitzer, C.; Kaiser, Th.M.; 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 (2): 107-117.

Kaiser, Th.M.; Müller, D.W.H.; Fortelius, M.; Schulz, E.; Codron, D.; Clauss, M. 2013. Hypsodonty and tooth facet development in relation to diet and habitat in herbivorous ungulates: implications for understanding tooth wear. Mammal Review 43: 34-46, 7 figs, 1 tab [. doi.org/10.1111/j.1365-2907.2011.00203.x]

Fritz, J.; Hummel, J.; Streich, J.; Kienzle, E.; Clauss, M. 2013. Faecal particle size in captive rhinoceroses. Poster presentation at IZW Berlin.

Taylor, L.A.; Kaiser, Th.M.; Schweitzer, C.; Müller, D.W.H.; Codron, D.; Clauss, M.; Schulz, E. 2013. Detecting inter-cusp and inter-tooth wear patterns in Rhinocerotids. PLoS ONE 8(12): e80921. doi:10.1371/journal.pone.0080921: 1-12.

Wyss, F.; Wenker, C.; Robert, N.; Clauss, M.; Houwald, F.von 2012. Why do Greater one-horned rhinoceroses (Rhinoceros unicornis) die? – An evaluation of necropsy reports. International Conference on Diseases of Zoo and Wild Animals, Bussulengo/Verona, Italy, 16 May 2012 - 19 May 2012: pp. 54-61.

Clauss, M. 2012. Iron storage disorders in captive wild mammals: the comparative evidence. Journal of Zoo and Wildlife Medicine 43 (3s): S6-S18.

Helary, S.F.; Shaw, J.; Brown, R.; 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 (3s): S48-S54.

Clauss, M.; Dierenfeld, E.S.; Goff, J.; Klasing, K.; Koutsos, L.; Lavin, S.R.; Livingston, S.E.; Nelson, B.; Schlegel, M.L.; Sullivan, K.; Valdes, E.V.; 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 (3s): S108-S113.

Clauss, M.; Hatt, J.M.; Silinski, S.; Zimmermann, W.F.A.; Fickel, J.; Streich, W.J.; Hummel, J. 2010. Comparative investigations on digestion in grazing (Ceratotherium simum) and browsing (Diceros bicornis) rhinoceroses. Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology 156A: 380-388.

Ruetten, M.; Steinmetz, H.W.; Clauss, M.; Popischil, A. 2009. Haemochromatosis in the black rhinoceros (Diceros bicornis michaeli) Acquired or congenital? abstract. Journal of Comparative Pathology 141 (4) November: 306.

Ruetten, M.; Steinmetz, H.W.; Clauss, M.; Pospischi, A. 2009. Haemochromatosis in the black rhinoceros (Diceros bicornis michaeli): acquired or congenital. ESVP/ECVP Proceedings 2009: 306.

Ruetten, M.; Steinmetz, H.W.; Clauss, M.; Pospischi, A. 2009. Haemochromatosis in the black rhinoceros (Diceros bicornis michaeli), acquired or congenital?. Pathology Today - 27th Meeting of the European Society of Veterinary Pathology 2009: p. 244.

Clauss, M.; Wittenbrink, M.M.; Castell, J.C.; Kienzle, E.; Dierenfeld, E.S.; Flach, E.J.; MacGregor, S.K.; Hoppe, T.; Hummel, J.; Streich, W.J.; Hatt, J.M. 2008. Quantification of enterobacteriaceae in faeces of captive black rhinoceros (Diceros bicornis) in relation to dietary tannin supplementation. Journal of Animal Physiology and Animal Nutrition 92 (1): 29-34, table 1.

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.; Bauer, J.E. 2008. Fatty acid status in captive and free-ranging black rhinoceroses (Diceros bicornis). Journal of Animal Physiology and Animal Nutrition 92 (6): 231-241, figs. 1-4, tabs. 1-5.

Clauss, M.; Kaiser, Th.M.; Hummel, J. 2008. The morphophysiological adaptations of browsing and grazing mammals. In: Gordon, I.J. & Prins, H.H.T. (eds). The ecology of browsing and grazing. Berlin: Springer. pp. 47-88.

Clauss, M.; Castell, J.C.; Kienzle, E.; Schramel, P.; Dierenfeld, E.S.; Flach, E.J.; Behlert, O.; Streich, W.J.; Hummel, J.; Hatt, J.M. 2007. Mineral absorption in the black rhinoceros (Diceros bicornis) as compared with the domestic horse. Journal of Animal Physiology and Animal Nutrition 91 (5-6): 193-204, figs. 1-3, tabs. 1-3.

Clauss, M.; Castell, J.C.; Kienzle, E.; Dierenfeld, E.S.; Flach, E.J.; Behlert, O.; Ortmann, S.; Streich, W.J.; Hummel, J.; Hatt, J.M. 2007. The influence of dietary tannin supplementation on digestive performance in captive black rhinoceros (Diceros bicornis). Journal of Animal Physiology and Animal Nutrition 91 (11-12): 449-458.

Dierenfeld, E.S.; Clauss, M. 2007. The nutrition of "browsers". In: Fowler's Zoo and Wild Animal Medicine: Current therapy vol. 6: 444-454, 5 tables.