JAAP KRUIJT 1928–2002
ARE BIRDS THE PRIMARY SELECTIVE FORCE LEADING TO EVOLUTION OF MIMICRY AND APOSEMATISM IN BUTTERFLIES? AN OPPOSING POINT OF VIEW
COMPETITION AND THE EXCHANGE OF GROOMING AMONG FEMALE SAMANGO MONKEYS (CERCOPITHECUS MITIS ERYTHRARCHUS)
MATING IN THE KAKAMEGA FOREST BLUE MONKEYS (CERCOPITHECUS MITIS)
APPRAISING BEHAVIOUR DURING MALE-MALE INTERACTION IN THE JAPANESE HORNED BEETLE TRYPOXYLUS DICHOTOMUS SEPTENTRIONALIS (KONO)
GROOMING INTERACTIONS AMONG THE CHIMPANZEES OF THE BUDONGO FOREST, UGANDA
BEHAVIOURAL RESPONSES BY RED-BACKED SALAMANDERS TO CONSPECIFIC AND HETEROSPECIFIC CUES