Wirtz, P.; Oldekop, G.: Time budgets of Waterbuck (Kobus ellipsiprymnus) of different age, sex and social status. Zeitschrift für Säugetierkunde 56, pp. 48 - 58 (1991)
Wirtz, P.; Kaiser, P.: Sex differences and seasonal variation in habitat choise in a high density population of Waterbuck, Kobus ellipsiprymnus (Bovidae). Zeitschrift für Säugetierkunde 53, pp. 162 - 169 (1988)
Taborsky, M.; Hudde, B.; Wirtz, P.: Reproductive behaviour and ecology of Symphodus (Crenilabrus) Ocellatus, a European wrasse with four types of male behaviour. Behaviour 102 (1), pp. 82 - 117 (1987)
Wirtz, P.: Co-opertive prey capture in the great white pelican (Pelecanus onocrotalus) at Lake Nakuru, Kenya. Zoologische Jahrbücher Abteilung für Systematik, Ökologie und Geographie der Tiere 113, pp. 37 - 43 (1986)
Wirtz, P.; Diesel, R.: The social structure of Inachus phalangium, a spider crab associated with the sea anemone Anemonia sulcata. Zeitschrift für Tierspychologie 62 (3), pp. 209 - 234 (1983)
Wirtz, P.: Territory holders, satellite males and bachelor males in a high density population of Waterbuck (Kobus ellipsiprymnus) and their associations with conspecifics). Zeitschrift für Tierpsychologie 58 (4), pp. 277 - 300 (1982)
Wirtz, P.: Territorial defence and territory take-over by satellite males in the waterbuck Kobus ellipsiprymnus (Bovidae). Behavioral Ecology and Sociobiology 8 (2), pp. 161 - 162 (1981)
Wirtz, P.: A revision of the Eastern-Atlantic tripterygiidae (pisces, blennioidei) and notes on some Westafrican blennioid fish. Cybium 11, pp. 83 - 101 (1980)
Wirtz, P.; Kacher, H.: Pelecanus onocrotalus. Kooperativer Fischfang. Wissenschaftlicher Film E 2783, Publikationen zu Wissenschaftlichen Filmen 16, pp. 3 - 6 (1983)
Kacher, H.; Schaller, D.; Wirtz, P.: Ctenopoma multispinnis. Fortbewegung an Land. Wissenschaftlicher Film E 2519, Publikationen zu Wissenschaftlichen Filmen 12, pp. 3 - 9 (1979)
Wirtz, P.; Kacher, H.: Clinitrachus argentatus (Clinidae). Laufen mit den Bauchflossen. Wissenschaftlicher Film E 2425, Publikationen zu Wissenschaftlichen Filmen 10, pp. 3 - 6 (1977)
How do interactions with competitors and predators shape the collective dynamics of animal communities? All animals must navigate complex landscapes of risk and reward, but social species must accomplish this while balancing their own needs and preferences with those of their group-mates. How do individuals and groups ultimately integrate this…