Research Group 2: Evolutionary Genetics

Education and scientific activities

Scientific Publications 1998 - 2011

2011

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

Fritz J, Hummel J, Kienzle E, Wings O, Streich WJ, Clauss M: Gizzard ties with teeth: A comparison of faecal particle sizes between herbivorous birds and mammals and implications for dinosaur feeding strategies. Paleobiology, accepted.

Lueders I, Taya K, Watanabe G, Yamamoto Y, Yamamoto T, Kaewmanee S, Niemuller C, Gray C, Streich WJ, Hildebrandt TB: Role of the Double LH Peak, Luteinizing Follicles and the Secretion of Inhibin  for Dominant Follicle Selection in Asian Elephants. Biology of Reproduction, accepted.

Clauss M, Müller K, Fickel J, Streich WJ, Hatt J-M, Südekum K-H (2011): Macroecology of the host determines microecology of endobionts: protozoal faunas vary with wild ruminant feeding type and body mass. J. Zoology 183, 169-185.

Müller DWH, Caton J, Codron D, Schwarm A, Lentle R, Streich WJ, Hummel J, Clauss M: Phylogenetic constraints on digesta separation: variation in fluid throughput in the digestive tract in mammalian herbivores. Comp Biochem Phys A, accepted.

Pitra C, Suárez-Seoane S, Martín CA, Streich WJ, Alonso JC: Linking habitat quality with genetic diversity: a lesson from great bustards in Spain. European Journal of Wildlife Research 57 (3), 411-419.

Fritz J, Streich WJ, Schwarm A, Clauss M: Condensing results of wet sieving analyses into a single data: a comparison of methods. Journal of Animal Physiology and Animal Nutrition, accepted.

2010

Wagener A, Blottner S, Goeritz F, Streich WJ, Fickel J: Circannual changes in the expression of vascular endothelial growth factor in the testis of roe deer (Capreolus capreolus). Animal Reproduction Science 117, 275-278.

Müller DWH, Lackey LB, Streich WJ, Hatt J-M, Clauss M: Relevance of management and feeding regimes on life expectancy in captive deer. American Journal of Veterinary Research 71 (3), 275-280.

Steuer P, Clauss M, Südekum K-H, Hatt J-M, Silinski S, Klomburg S, Zimmermann W, Fickel J, Streich WJ, Hummel J: Comparative investigations on digestion in grazing (Ceratotherium simum) and browsing (Diceros bicornis) rhinoceroses.
Comp Biochem Phys A 156, 380-388 .

Clauss M, Hofmann RR, Streich WJ, Fickel J, Hummel J (2010): Convergence in the macroscopic anatomy of the reticulum in wild ruminant species of different feeding types and a new resulting hypothesis on reticular function.
Journal of Zoology 281, 26-38.

Kaiser TM, Fickel J, Streich WJ, Hummel J, Clauss M (2010): Enamel ridge alignment in upper molars of ruminants in relation to their natural diet. Journal of Zoology 281, 12-25.

Fritz J, Hummel J, Kienzle E, Streich WJ, Clauss M (2010): To chew or not to chew: fecal particle size in herbivorous reptiles and mammals. J. Exp. Zool. 313A, 579-586.

Deb A, Foldenauer U, Borjal RJ, Streich WJ, Lüken C, Johne R, Müller H, Hammer S (2010): A Longitudinal Study on Avian Polyomavirus-specific Antibodies in Captive Spix’s Macaws (Cyanopsitta spixii).
Journal of Avian Medicine and Surgery 24(3), 192-198.

Janis CM, Constable EC, Houpt KA, Streich WJ, Clauss M (2010): Comparative ingestive mastication in domestic horses and cattle: a pilot investigation. J Anim Physiol Anim Nutr 94, e402-e409.

2009

Reid CE, Hermes R, Blottner S, Goeritz F, Wibbelt G, Walzer C, Bryant BR , Portas TJ, Streich WJ, Hildebrandt TB (2009):  Split-sample comparison of directional and liquid nitrogen vapour freezing method on post-thaw semen quality in white rhinoceroses (Ceratotherium simum simum and Ceratotherium simum cottoni).  Theriogenology, Vol. 71, Issue 2, 275-291

Zerbe P, Schwarz C, Deb A, Borjal RJ, Arif A, Taha AS, Streich WJ, Clauss M, Hammer S (2009): Long-term monitoring of endoparasites in birds-of-paradise at Al Wabra Wildlife Preservation, Doha.  Int. Zoo Yb. 43: 149-158.

Gutsche A, Streich WJ (2009): Demography and Endangerment of the Utila Island Spiny-Tailed Iguana, Ctenosaura bakeri.  Journal of Herpetology 43(1), 105-113.

Clauss M, Fritz J, Bayer D, Hummel J, Streich WJ, Südekum K-H, Hatt J-M (2009): Physical characteristics of rumen contents in two small ruminants of different feeding type, the mouflon (Ovis ammon musimon) and the roe deer (Capreolus capreolus). Zoology 112, 195-205.

Caspers B, Schroeder F, Franke S, Streich W, Voigt C (2009): Odour based species recognition in two sympatric species of sac-winged bats (Saccopteryx bilineata, S. leptura): Combining chemical analyses, behavioural observations and odour preference tests. Behavioral Ecology and Sociobiology 63, 741-749.

Lueders I, Niemuller C, Pootoolal J, Rich P, Gray C, Streich WJ, Hildebrandt TB (2009): Sonomorphology of the reproductive tract in male and pregnant and non-pregnant female Rothschild’s giraffe (Giraffa camelopardalis rotschildi). Theriogenology 72, 22-31.

Wenker CJ, Clauss M, Besselmann D, Streich WJ, Lutz H (2009): Changes in body weight, hematology and serum chemistry in captive plains viscachas (Lagostomus maximus) with presumptive diabetes type II after a diet change. Schweiz. Arch. Tierheilk. 151, 61-68.

Schwarm A, Ortmann S, Wolf C, Streich WJ, 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). Comp Biochem Phys A 152, 504-512.

Hummel J, Südekum K-H, Bayer D, Ortmann S, Streich WJ, Hatt J-M, Clauss M (2009): Physical characteristics of reticuloruminal contents of oxen in relation to forage type and time after feeding.  J Anim Physiol Anim Nutr 93, 209-220.

Schwarm A, Ortmann S, Wolf C, Streich WJ, Marcus Clauss M: Passage marker excretion in red kangaroo (Macropus rufus), collared peccary (Pecari tajacu) and colobine monkeys (Colobus angolensis, C. polykomos, Trachypithecus johnii). Journal of Experimental Zoology Part A: Ecological Genetics and Physiology, 311A, 647-661.

Clauss M, Hofmann RR, Fickel J, Streich WJ, Hummel J (2009): The Intraruminal Papillation Gradient in Wild Ruminants of Different Feeding Types: Implications for Rumen Physiology. J. Morphol. 270, 929-942.

Schwarm A, Schweigert M, Ortmann S, Hummel J, Janssens GPJ, Streich WJ, 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.

2008

Hofmann RR, Streich WJ, Fickel J, Hummel J, Clauss M (2008): Convergent Evolution in Feeding Types: Salivary Gland Mass Differences in Wild Ruminant Species. J. Morphol. 269, 240-257.

Clauss M, Wittenbrink MM, Castell JC, Kienzle E, Dierenfeld ES, Flach EJ, Macgregor SK, Hoppe T, Hummel J, Streich WJ, Hatt JM (2008): Quantification of enterobacteriaceae in faeces of captive black rhinoceros (Diceros bicornis) in relation to dietary tannin supplementation. J Anim Physiol An N 92, 29-34.

Hummel J, Steuer P, Südekum K-H, Hammer S, Hammer C, Streich WJ, Clauss M (2008): Fluid and particle retention in the digestive tract of the addax antelope (Addax nasomaculatus) – adaptations of a grazing desert ruminant. Comp Biochem Phys A 149, 142-149.

Clauss M, Hummel J, Streich WJ, Südekum K-H (2008): Mammalian metabolic rate scaling to 2/3 or 3/4 depends on the presence of gut contents. Evol Ecol Res 2008 (10), 153-154.

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

Schwarm A, Ortmann S, Wolf C,  Streich WJ,  Clauss M (2008): Excretion patterns of fluid and different sized particle passage markers in banteng (Bos javanicus) and pygmy hippopotamus (Hexaprotodon liberiensis): two functionally different foregut fermenters. Comp Biochem Phys A 150, 32-39.

Clauss M, Streich WJ, Nunn CL, Ortmann S, Hohmann G, Schwarm A, Hummel J (2008): The influence of natural diet composition, food intake level, and body size on ingesta passage in primates. Comp Biochem Phys A, 150, 274-281.

Jurado OM, Clauss M, Streich WJ, Hatt J-M (2008): Irregular tooth wear and longevity in captive wild ruminants: a pilot survey of necropsy reports. Journal of Zoo and Wildlife Medicin 39(1), 69-75.

Clauss M, Dierenfeld ES, Bigley KE, Wang Y, Ghebremeskel K, Hatt J-M, Flach EJ, Behlert O, Castell JC, Streich WJ, Bauer JE (2008): Fatty acid status in captive and free-ranging black rhinoceroses (Diceros bicornis). J Anim Physiol An N 92(2008), 231-241.

Clauss M, Hofmann RR, Streich WJ, Jörns Fickel J, Hummel J (2008): Higher masseter muscle mass in grazing than in browsing ruminants. Oecologia 157, 377-385.

Munn AJ, Streich WJ, Hummel J, Clauss M (2008): Modelling digestive constraints in non-ruminant and ruminant foregut-fermenting mammals. Comp Biochem Phys A 151, 78-84.

Höner OP, Wachter B, East ML, Streich WJ, Wilhelm K, Burke T, Hofer H (2008): Do female hyaenas choose mates based on tenure? Reply to Van Horn et al. NATURE 454 E1 - E2.

2007

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

Hildebrandt TB, Drews B, Gaeth AP, Goeritz F, Hermes R, Schmitt D, Gray C, Rich P, Streich WJ, Short RV, MB Renfree (2007): Fetal age determination and development in elephants. P. Roy. Soc. Lond B 274, 323-331.

Speck S, Reiner B, Streich WJ, Reusch C,Wittenbrink MM (2007): Canine borreliosis: A laboratory diagnostic trial. Veterinary Microbiology 120, 132-141.

Frölich K, Fickel J, Ludwig A, Lieckfeldt D, Streich WJ, Jurcik R, Slamecka J, Wibbelt G (2007): New variants of European brown hare syndrome virus strains in free-ranging European brown hares (Lepus europaeus) from Slovakia.  J. Wildl. Dis. 43, 89-96.

Hildebrandt TB, Hermes R, Walzer W, Sós E, Victor M, Mezösi L, Schnorrenberg A, Silinski S, Streich J, Schwarzenberger F, Göritz F (2007): Artificial insemination in the anoestrous and the post partum white rhinoceros using GnRH analogue to induce ovulation. Theriogenology 67, 1473-1484.

Clauss M, Firzlaff U, Castell JC, Kiefer B, Streich WJ, Liesegang A. (2007): Effect of captivity and mineral supplementation on body composition and mineral status of mustached bats (Pteronotus parnellii rubiginosus). J Anim Phys Anim Nutr 91, 187-192.

Clauss M, Castell JC, Kienzle E, Schramel P, Dierenfeld ES, Flach EJ, Behlert O, Streich WJ, Hummel J, Hatt J-M (2007): Mineral absorption in the black rhinoceros (Diceros bicornis) as compared to the domestic horse. J Anim Physiol Anim Nutr 91, 193-204.

Clauss M, Schwarm A, Ortmann S, Streich WJ, Hummel J (2007): A case of non-scaling in mammalian physiology? Body size, digestive capacity, food intake, and ingesta passage in mammalian herbivores. Comparative Biochemistry and Physiology, Part A 148, 249-265.

Höner OP, Wachter B, East ML, Streich WJ, Wilhelm K, Burke T, Hofer H (2007): Female mate-choice drives the evolution of male-biased dispersal in a social mammal. Nature 448, 798-802.

Hermes R, Göritz F, Streich WJ, Hildebrandt TB (2007): Assisted Reproduction in Female Rhinoceros and Elephants - Current Status and Future Perspective. Reprod. Domest. Anim. 42 (Suppl. 2), 33-44.

Clauss M, Castell JC,  Kienzle E, Dierenfeld ES, Flach EJ,  Behlert O, Ortmann S, Streich WJ, Hummel J, Hatt J-M (2007): The influence of dietary tannin supplementation on digestive performance in captive black rhinoceros (Diceros bicornis). J Anim Physiol Anim Nutr 91, 449-458.

Streich WJ, Watzke H, Litzbarski H (2007): Population viability analysis of the Great Bustard in the Saratov region. Bustard Studies 6, 75-81.

Voigt CC , Streich, WJ, Dehnhard M (2007): Assessment of fecal testosterone metabolite analysis in free-ranging Saccopteryx bilineata (Chiroptera: Emballonuridae). Acta Chiropterologica 9(2), 463-475.

2006

Schwarm A, Ortmann S, Hofer H, Streich WJ, Flach EJ, Kühne R, Hummel J, Castell JC, Clauss M (2006): Digestion studies in captive Hippopotamidae: a group of large ungulates with an unusually low metabolic rate. J Anim Phys Anim Nutr 90, 300-308.

Clauss M, Castell JC, Kienzle E, Dierenfeld ES, Flach EJ, Behlert O, Ortmann S, Streich WJ, Hummel J, Hatt JM (2006): Digestion coefficients achieved by the black rhinoceros (Diceros bicornis), a large browsing hindgut fermenter. J Anim Phys Anim Nutr 90, 325-334.

Clauss M, Castell JC, Kienzle E, Schramel P, Dierenfeld ES, Flach EJ, Behlert O, Hatt J-M, Streich WJ, Hummel J (2006): Macromineral Absorption in the Black Rhinoceros (Diceros bicornis) Compared with the Domestic Horse. J. Nutrition 136, 2017S-2020S.

Clauss M, Hofmann RR, Hummel J, Adamczewski J, Nygren K, Pitra C, Streich WJ, Reese S (2006): Macroscopic anatomy of the omasum of free-ranging moose (Alces alces) and muskoxen (Ovibos moschatus) and a comparison of the omasal laminal surface area in 34 ruminant species. J. Zool. 270, 346-358.

Clauss M, Hummel J, Streich WJ (2006): The dissociation of the fluid and particle phase in the forestomach as a physiological characteristic of large grazing ruminants: an evaluation of available, comparable ruminant passage data. Eur J Wildl Res 52, 88-98.

Nijboer J, Clauss M, Olsthoorn M, Noordermeer W, Huisman TR, Verheyen V, van der Kuilen J, Streich WJ, Beynen AC (2006): Effect of Diet on the Feces Quality in Javan Langur (Trachypithecus auratus auratus). Journal of Zoo and Wildlife Medicine 37(3), 366-372.

Schettler E, Steinbach F, Eschenbacher-Kaps I, Gerst K, Meussdoerffer F, Risch K, Streich WJ, Frölich K (2006): Surveillance for Prion Disease in Cervids, Germany. Emerging Infectious Diseases 12 (2), 319-322.

Streich WJ, Litzbarski H, Ludwig B, Ludwig S (2006): What triggers facultative winter migration of Great Bustard (Otis tarda) in Central Europe? Eur J Wildl Res 52, 48-53.

Widdig A, Nürnberg P, Bercovitch FB, Trefilov A, Berard JB, Kessler MJ, Schmidtke J, Streich JW, Krawczak M (2006): Consequences of group fission for the patterns of relatedness among rhesus macaques. Mol. Ecol 15, 3825-3832.

Clauss M, Pellegrini N, Castell JC, Kienzle E, Dierenfeld ES, Hummel J, Flach EJ, Streich WJ, Hatt J-M (2006): Antioxidant Status of Feces of Captive Black Rhinoceros (Diceros bicornis) in Relation to Dietary Tannin Supplementation. J. Vet Med. A 53, 319-322.

Widdig A, Streich WJ, Nürnberg P, Bercovitch FB, Krawczak M (2006): Paternal kin bias in the agonistic interventions of adult female rhesus macaques (Macaca mulatta). Behav Ecol and Sociobiol 61, 205-214.

Hummel J, Südekum K-H, Streich WJ, Clauss M (2006): Forage fermentation patterns and their implications for herbivore ingesta retention times. Functional Ecology 20, 989-1002.

Liesegang A, Firzlaff U, Kiefer B, Streich WJ, Clauss M (2006): Different supplementation of minerals in bats and the consequences on bone mineral density. In: Zoo Animal Nutrition Vol III; Fidgett A, Clauss M, Eulenberger K, Hatt J-M, Hume I, Janssens G, Nijboer J (eds.), Filander Verlag, Fürth, pp.295-300.

2005

Frölich K, Streich WJ, Fickel J, Jung S, Truyen U, Hentschke J, Dedek J, Prager D, Latz N (2005): Epizootiologic investigations of Parvovirus Infections in Free-ranging Carnivores from Germany.  J. Wildl. Dis. 41 (1), 231-235.

Frölich K, Hamblin C, Jung S, Ostrowski S, Mwanzia J, Streich WJ, Anderson J, Armstrong RM, Anajariyah S: Serological survaillance for selected viral agents in captive and free-ranging populations of Arabian Oryx (Oryx Leucoryx) from Saudi Arabia and the United Arab Emirats. J. Wildl. Dis., 41(1), 2005, 67-79.

Fickel J, Schmidt A, Putze M, Spittler H, Ludwig A, Streich WJ, Pitra C: Genetic Structure of Populations of European brown hare: implications for Management. J. Wildl. Management 69(2), 770-780, 2005.

Dierenfeld ES, Atkinson S, Craig M, Walker KC, Streich WJ, Clauss M (2005): Mineral Concentrations in Serum/Plasma and Liver Tissue of Captive and Free-Ranging Rhinoceros Species. Zoo Biol. 24 (2005), 51-72.

Clauss M, Polster C, Kienzle E, Wiesner H, Baumgartner K, von Houwald F, Ortmann S, Streich WJ, Dierenfeld ES (2005): Studies on digestive physiology and feed digestibilities in captive Indian rhinoceros (Rhinoceros unicornis). J. Anim. Physiol. Anim. Nutr. 89, 229-237.

Clauss M, Polster C, Kienzle E, Wiesner H, Baumgartner K, von Houwald F, Streich WJ, Dierenfeld E (2005): Energy and Mineral Nutrition and Water Intake in the Captive Indian Rhinoceros (Rhinoceros unicornis). Zoo Biol. 24, 1-14.

Clauss M, Hummel J, Vercammen F, Streich WJ (2005): Observations on the macroscopic digestive anatomy of the Himalayan tahr (Hemitragus jemlahicus). Anat. Histol. Embryol. 34, 276-278.

Clauss M, Froeschle T, Castell J, Hummel J, Hatt J-M, Ortmann S, Streich WJ (2005): Fluid and particle retention times in the black rhinoceros (Diceros bicornis), a large hindgut-fermenting browser. Acta Theriologica 50 (3): 367-376.

Clauss M, Gehrke J, Hatt J-M, Dierenfeld ES, Flach EJ, Hermes R, Castell J, Streich WJ, Fickel J (2005): Tannin-binding salivary proteins in three captive rhinoceros species. Comp. Biochem. Physiol. A 140, 67-72.

2004

Wolf O, Glatzel PS, Lehnen A, Streich WJ, Frölich K: Blutwerte beim Wisent (Bison bonasus) in Abhängigkeit von Geschlecht, Alter und Balanoposthitis bei Bullen (2004). Tierärztliche Praxis Großtiere, 32:269-276.

Widdig A, Bercovitch FB, Streich WJ, Sauermann U, Nürnberg P, Krawczak M (2004): A longitudinal analysis of reproductive skew in male rhesus macaques. P. Roy. Soc. Lond B, 271, 819-826.

Schön J, Göritz F, Streich WJ, Blottner S (2004): Histological organization of roe deer testis throughout the seasonal cycle: variable and constant components of tubular and interstitial compartment. Anat. Embryol. 208, 151-159.

Clauss M, Schwarm A, Ortmann S, Alber D, Flach EJ, Kühne R, Hummel J, Streich WJ, Hofer H (2004): Intake, ingesta retention, particle size distribution and digestibility in the hippopotamidae. Comp Biochem Physiol A, Vol 139/4 pp 449-459.

Clauss M, Lendl C, Schramel P, Streich WJ (2004): Skin lesions in alpacas and llamas with low zinc and copper status – a preliminary report. Vet. J. 167, 302-305.

Clauss M, Lechner-Doll M, Streich WJ (2004): Differences in the range of faecal dry matter content between feeding types of captive wild ruminants. Acta Theriologica 49 (2), 259-267, 2004.

Behrend A, Lechner-Doll M, Streich WJ, Clauss M (2004): Seasonal faecal excretion, gut fill, liquid and particle marker retention in mouflon Ovis ammon musimon, and a comparison with roe deer Capreolus capreolus. Acta Theriologica 49 (4), 503-515.

2003

Wagener A, Blottner S, Göritz F, Streich WJ, Fickel J (2003): Differential changes in expression of a and ß FGF, IGF 1 and 2, and TGF-a during seasonal growth and involution of roe deer testis. Growth Factors, 21: (2) 95-102.

Wood C, Fang SG, Hunt, A, Streich, WJ, Clauss, M (2003): Increased iron absorption in lemurs: Quantitative screening and assessment of dietary prevention. Am. J. Primat. 61, 101-110.

Voigt CC, Streich WJ (2003): Queuing for harem access in colonies of the sac-winged bat. Animal Behaviour 65, 149-156.

Stoebel K, Schoenberg A, Streich WJ (2003): The seroepidemiology of Lyme borreliosis in zoo animals in Germany. Epidemiol Infect 131, 975-983.

Schettler E, Fickel J, Hotzel H, Sachse K, Streich WJ, Wittstatt U, Frölich K (2003): Newcastle disease virus and Chlamydia psittaci in free-living raptors from eastern Germany. J. Wildl. Dis. 39(1), 57-63.

Scheibe, K. M.; Streich, W. J. (2003): Seasonal variation of body weight in Przewalski horses (Equus ferus przewalskii). Biol. Rhythm Res. 34(4), 383-395.

Scheibe KM, Berger A, Streich WJ, Langbein J, Eichhorn K (2003): Telemetric measurement and monitoring of animal welfare parameters and its importance for precision livestock farming. In: Precision Livestock Farming. Edited by S. Cox, Wageningen Academic Publishers, 131-136. Monographie.

Frölich K, Wisser J, Fehlberg U, Schmüser H, Priemer J, Neubauer H, Streich J, Thiede S, Speck S (2003): Epizootiological and ecological investigations on the status of European brown hare (Lepus europaeus) in selected populations from Schleswig-Holstein (Germany). J. Wildl. Dis., 39(4), 751-761.

Fickel J, Lieckfeldt D, Richman LK, Streich WJ, Hildebrandt TB, Pitra C (2003): Comparison of glycoprotein B variants of the endotheliotropic elephant herpesvirus (EEHV) isolated from Asian elephants. Vet. Microbiol. 91, 11-21.

Clauss M, Lason K, Gehrke J, Lechner-Doll M, Fickel J, Grune T, Streich WJ (2003): Captive roe deer (Capreolus capreolus) select for low amounts of tannic acid but not quebracho: fluctuation of preferences and potential benefits. Comp Biochem Physiol B 136, 369-382.

Clauss M, Flach EJ, Tack C, Lechner-Doll M, Streich WJ, Hatt JM (2003): Food intake, preference patterns and digestion coefficients in captive giraffe (Giraffa camelopardalis) offered a tannin-containing pelleted diet. Verhandlungsbericht Erkrankungen der Zootiere 41: 333-342.

Clauss M, Frey R, Kiefer B, Lechner-Doll M, Loehlein W, Polster C, Rössner GE, Streich WJ (2003): The maximum attainable body size of herbivorous mammals: morphophysiological constraints on foregut, and adaptations of hindgut fermenters. Oecologia 136, 14-27.

Clauss M, Lechner-Doll M, Streich WJ (2003): Ruminant diversification as an adaptation to the physicomechanical characteristics of forage. A reevaluation of an old debate and a new hypothesis. Oikos 102, 253-262.

Clauss M, Wang Y, Ghebremeskel K, Lendl C, Streich WJ (2003): Plasma and erythrocyte fatty acids in captive Asian (Elephas maximus) and African (Loxodonta africana) elephants. The Vet. Rec., 153, 54-58.

Berger A, Scheibe KM, Michaelis S, Streich WJ (2003): Evaluation of living conditions of free ranging animals by automated chronobiological analysis of behaviour. Behavior Research Methods, Instruments & Computers 35, 458-466.

2002

Widdig A, Nürnberg P, Krawczak M, Streich WJ, Bercovitch F (2002): Affiliation and aggression among adult female rhesus macaques: a genetic analysis of paternal cohorts. Behaviour 139, 371-391.

Thiede S, Spergser J, Rosengarten R, Jakob W, Streich WJ, Krasinska M, Frölich K (2002): Antibodies against Mycoplasma bovigenitalium in free-living European bison (Bison bonasus) with balanoposthitis. J. Wildl. Dis. 38, 760-763.

Scheibe KM, Berger A, Eichhorn K, Streich WJ (2002): Zeit und Rhythmen - Umweltfaktor und biologische Struktur. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung, KTBL, Darmstadt, 64-75.

Roelants H, Schneider F, Göritz F, Streich J, Blottner S (2002): Seasonal Changes of  Spermatogonial Proliferation in Roe Deer, Demonstrated by Flow Cytometric Analysis  of c-kit-Receptor, in Relation to Follicle-Stimulating Hormone, Luteinizing Hormone, and Testosterone. Biology of  Reproduction 66, 305-312.

Clauss M, Jessup DA, Norkus EB, Chen TC, Holick MF, Streich WJ, Dierenfeld ES (2002): Fat soluble vitamins in blood and tissues of free-ranging and captive rhinoceros. J. Wildl. Dis. 38(2), 402-413.

Clauss M, Lechner-Doll M, Streich WJ (2002): Faecal particle size distribution in captive wild ruminants: an approach to the browser/grazer-dichotomy from the other end. Oecologia 131, 343-349.

Berger A, Scheibe KM, Brelurut A, Schober F, Streich WJ (2002): Seasonal Variation of Diurnal and Ultradian Rhythms in Red Deer. Biol. Rhythm Res. 33 (3), 237-253.

2001

Wisser J, Christoph B, Tataruch F, Steinbach F, Streich J, Achazi R, Frölich K (2001): Charakterisierung des Gesundheitsstatus von Rehen (Capreolus capreolus) in Gebieten mit hoher Schadstoffbelastung (Cadmium, Blei und PCB) im Vergleich zu gering belasteten Gebieten. II. Mitteilung: Parasitenstatus und histopathologische Befunde. Z. Jagdwiss. 47, 211-225.

Widdig A, Nürnberg P, Krawczak M, Streich WJ, Bercovitch F (2001): Paternal relatedness and age proximity regulate social relationships among adult female rhesus macaques. Proc. Natl. Acad. Sci. USA 98 (24), 13769-13773.

Schettler E, Langgemach T, Sömmer P, Streich J, Frölich K (2001): Seroepizootiology of selected infectious disease agents in free-living birds of prey in Germany. J. Wildl. Dis., 37(1), 145-152.

Rowell-Schäfer A, Lechner-Doll M, Hofmann RR, Streich WJ, Güven B, Meyer HHD (2001): Metabolic evidence of a "rumen bypass" or a "ruminal escape" of nutrients in roe deer (Capreolus capreolus). Comparative Biochemistry and Physiology A 128, 289-298.

Krone O, Priemer J, Streich J, Sömmer P, Langgemach T, Lessow O (2001):  Haemosporida of Birds of Prey and Owls from Germany. Acta Protozool. 40, 281-289.

Frölich K, Steinbach F, Klima F, Tataruch F, Streich J, Wisser J, Achazi R (2001): Charakterisierung des Gesundheitsstatus von Rehen (Capreolus capreolus) in Gebieten mit hoher Schadstoffbelastung (Cadmium, Blei und PCB) im Vergleich zu gering belasteten Gebieten. I.Mitteilung: Immunologische Befunde. Z. Jagdwiss. 47, 125-144

Clauss M, Lechner-Doll M, Behrend A, Lason K, Lang D, Streich WJ (2001): Particle retention in the forestomach of a browsing ruminant, the roe deer Capreolus capreolus. Acta Theriologica 46 (1), 103-107.

 Budras KD, Scheibe K, Patan B, Streich WJ, Kim K (2001): Laminitis in Przewalski horses kept in a semireserve. J. Vet. Sci. 2 (1), 1-7.

2000

Widdig A, Streich WJ, Tembrock G (2000): Coalition Formation Among Male Barbary Macaques (Macaca sylvanus). American Journal of Primatology 50, 37-51.

Krone O, Streich WJ (2000): Strigea falconispalumbi in Eurasian buzzards from Germany. J. Wildl. Dis., 36(3), 559-561.

Eskens U, Frölich K, Kugel B, Frost JW, Streich WJ, Bensinger S (2000): Seroepidemiologische Untersuchungen zur Verbreitung des European Brown Hare Syndrome (EBHS) und der Rabbit Haemorrhagic Disease (RHD) in Feldhasenbeständen ausgewählter Reviere in der Bundesrepublik Deutschland. Z. Jagdwiss. 46, 61-72.

1999

Streich WJ (1999): Populationsdynamische Modelle im Artenschutz. In: Statistische Methoden in der empirischen Forschung, Technische Fachhochschule Berlin, Berlin, 234-243.

Scheibe KM, Berger A, Langbein J, Streich WJ, Eichhorn K (1999): Comparative Analysis of Ultradian and Circadian Behavioural Rhythms for Diagnosis of Biorhythmic State of Animals. Biological Rhythm Research 30 (2), 216-233.

Rowell-Schäfer A, Dyer J, Hofmann RR, Lechner-Doll M, Meyer HHD, Shirazi-Beechey SP, Streich WJ (1999): Abundance of intestinal Na+ / Glucose Cotransporter (SGLT1) in roe deer (Capreolus capreolus). J. Anim. Physiol. a. Anim. Nutr. 82, 25-32.

Büker A, Scheibe KM, Streich WJ, Eichhorn K, Scheibe A (1999): Reaktion von freilebenden Rehen (Capreolus capreolus) auf anthropogene Aktivitäten in Abhängigkeit von der Landschaftsstruktur. In: Gerken B., Görner M. (Hrsg.): Europäische Landschaftsentwicklung mit großen Weidetieren - Geschichte, Modelle und Perspektiven, 298-309.

Blottner S, Frölich K, Roelants H, Streich J, Tataruch F (1999): Influence of Environmental Cadmium on Testicular Proliferation in Roe Deer. Reproductive Toxicology 13, 261-267.

Berger A, Scheibe KM, Eichhorn K, Scheibe A, Streich WJ (1999): Diurnal and ultradian rhythms of behaviour in a mare group of Przewalski horse (Equus ferus przewalskii), measured through one year under semi-reserve conditions. Applied Animal Behaviour Science 64, 1-17.

1998

Scheibe KM, Eichhorn K, Kalz B, Streich WJ, Scheibe A (1998): Water Consumption and Watering Behaviour of Przewalski Horses (Equus ferus przewalskii) in a Semireserve. Zoo Biology 17, 181-192.

Scheibe KM, Schleusener T, Berger A, Eichhorn K, Langbein J, Dal Zotto L, Streich WJ (1998): ETHOSYS (R) - new system for recording and analysis of behaviour of free-ranging domestic animals and wildlife. Appl. Anim. Behav. Sci. 55, 195-211.

Rademacher U, Streich WJ, Hendrichs H (1998): Einfluß verschiedener Haltungsbedingungen auf das Verhalten von Grevyzebras (Equus grevyi) am Beispiel von zwei Zoologischen Gärten. Zool. Garten N.F. 68 (3),137-155.

Meyer HHD, Rowell A, Streich WJ, Stoffel B, Hofmann RR (1998): Accumulation of polyunsaturated fatty acids by concentrate selecting ruminants. Comparative Biochemistry and Physiology A 120, 263-268.

Langbein J, Streich J, Scheibe KM (1998): Characteristic activity patterns of female mouflons (Ovis orientalis musimon) in the lambing period. Applied Animal Behaviour Science 58, 281-292.

Frölich K, Streich WJ (1998): Serologic Evidence of Bovine Viral Diarrhea Virus in Free-ranging Rabbits from Germany. J. Wildl. Dis. 34 (1), 173-178.