Warner Jens

Excretion patterns of solute and different-sized particle passage markers in foregut-fermenting proboscis monkey (Nasalis larvatus) do not indicate an adaptation for rumination

Ikki Matsuda, John Chih Mun Sha, Sylvia Ortmann et al. · Physiology & Behavior · 2015 · 90 citations · Full text

Pharmacy, Pharmacokinetics, Physiology +11

Free‐ranging <scp>N</scp>ew <scp>W</scp>orld primates in zoos: cebids at <scp>A</scp>penheul

Warner Jens, C. A. X. Mager‐Melicharek, Frank Rietkerk · International Zoo Yearbook · 2012 · 29 citations

Life Sciences, Animal Sciences, Zoology +15

Differences in Variability, Interactivity and Skills in Social Play of Young Chimpanzees Living in Peer Groups and in a Large Family Zoo Group

René P. Spijkerman, Herman Dienske, Jan A. R. A. M. van Hooff et al. · Behaviour · 1996 · 24 citations

Life Sciences, Animal Sciences, Zoology +17

Differences in Subadult Behaviors of Chimpanzees Living in Peer Groups and in a Family Group

René P. Spijkerman, Jan A. R. A. M. van Hooff, Herman Dienske et al. · International Journal of Primatology · 1997 · 21 citations

Social Sciences, Behavioral Sciences, Zoology +17

Causes of Body Rocking in Chimpanzees (<i>Pan Troglodytes</i>)

René P. Spijkerman, Herman Dienske, Jan A. R. A. M. van Hooff et al. · Animal Welfare · 1994 · 17 citations

Life Sciences, Behavioral Sciences, Zoology +11