Funding for this research was provided by:
Directorate for Biological Sciences (BCS1128821)
Sigma Xi Grants-in-Aid of Research
International Primatological Society
Lewis and Clark Fund-American Philosophical Society
Scott Neotropical Fund-Cleveland Metroparks Zoo
Article History
Received: 7 December 2015
Accepted: 19 September 2016
First Online: 28 September 2016