Archives for research report


Research Report: Dynamics of population growth by Cebus capucinus in Costa Rica

Research Report
The population of white-faced capuchin monkeys (Cebus capucinus) in the Sector Santa Rosa (SSR) of the Area de Conservación Guanacaste in northwestern Costa Rica offers a unique opportunity to model how landscape variability affected selection on early hominins.  This species shows many anatomical and behavioral convergences with great apes and humans, andmore »

Research Report: The function(s) of a long-distance signal: the orangutan long call

Research Report
Brigitte Spillmann, PhD Candidate Anthropological Institute and Museum, University of Zurich Photo:  Mure Wipfli Brigitte Spillmann was awarded a Leakey Foundation research grant in spring 2010 for her PhD project focusing on the functions of the long call, the long distance signal of the flanged male orangutan. Long distance signaling in widely dispersed, more »