Reactions of chimpanzees and gorillas to human observers in a non-protected area in south-eastern Cameroon.
Werdenich
Dagmar
D
Department of Theoretical Biology, Institute of Zoology, University of Vienna, Althanstrasse 14, A-1090, Vienna, Austria. d_werdenich@hotmail.com
Dupain
Jef
J
Arnheim
Eric
E
Julve
Cecilia
C
Deblauwe
Isra
I
van Elsacker
Linda
L
D000818:Animals; D001522:Behavior, Animal; D002163:Cameroon; D004777:Environment; D006071:Gorilla gorilla / Q000502:physiology* / Q000523:psychology; D006185:Habituation, Psychophysiologic; D006801:Humans; D002679:Pan troglodytes / Q000502:physiology* / Q000523:psychology; D012919:Social Behavior; D013997:Time Factors