Research Report: The function(s) of a long-distance signal: the orangutan long call
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, semi-solitary species is often used to mediate