Female aggression and male peace-keeping in a cichlid fish harem: conflict between and within the sexes in Lamprologus ocellatus
In: Behavioral Ecology and Sociobiology, Jg. 34 H. 2, S. 105-1121994
Foraging strategies of the Galapagos Marine Iguana (Amblyrhynchus Cristatus): adapting behavioral rules to ontogenetic size change
In: Behaviour, Jg. 128 H. 3, S. 255-2791994