Stress in wild female Assamese macaques
Julia Ostner
University of Göttingen
Researchers have been performing daily focal observations and fecal sampling on this study group of habituated Assamese macaques in Thailand’s Phu Khieo Wildlife Sanctuary since October 2006. For her investigation of ecological, social and reproductive stress in female macaques, Julia Ostner used data collected between September 2007 and February 2009. This time period included two
Research Report: The function(s) of a long-distance signal: The orangutan long call
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.
Irven DeVore: 1934-2014
Irven DeVore. Photo from The Leakey Foundation Archive
The world is made less joyful with the recent passing of Dr. Irven DeVore. He passed away on Tuesday, September 23, 2014 from heart failure.
Irv joined The Leakey Foundation as a Trustee in 1974 and served until 1978. He became Co-Chair of the Scientific Executive Committee in 1980 and was later
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