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pro vyhledávání: '"11"'
Autor:
Dennis R. Rasmussen
Publikováno v:
Folia Primatologica. 69:153-159
Habituation of nonhuman primates to observer presence is a necessary and often arduous prologue to collection of data on individuals. Subjects are habituated so their behavior will be as close as is possible to their behavior if the observer were not
Autor:
Ranka Sekulic
Publikováno v:
Folia Primatologica. 38:217-232
Behavior and ranging patterns of a solitary red howler female (Alouatta seniculus) were observed during a period of 11 months. The female spent most of the time in a 2 ha area in the range of one howler troop. Her behavior indicated that she tried to