Goymann, W.; Wittenzellner, A.; Schwabl, I.; Makomba, M.: Progesterone modulates aggression in sex-role reversed female African black coucals. Proceedings of the Royal Society B: Biological Sciences 275 (1638), pp. 1053 - 1060 (2008)
Goymann, W.; Wittenzellner, A.; Wingfield, J. C.: Competing females and caring males. Polyandry and sex-role reversal in African black coucals, Centropus grillii. Ethology 110 (10), pp. 807 - 823 (2004)
Why do primates have big brains? In the Panamanian rainforest, scientists pitted large-brained primates against smaller-brained mammals to find out who was the smartest forager
The first narrative nonfiction book about the pioneering animal tracking project ICARUS, written by its founder Martin Wikelski, is published by Greystone Books