O’Connell, Caitlin A.
DiGiorgio, Andrea L.
Ugarte, Alexa D.
Brittain, Rebecca S. A.
Naumenko, Daniel J.
Utami Atmoko, Sri Suci
Vogel, Erin R.
Funding for this research was provided by:
National Science Foundation (BCS-0643122, BCS-1719825)
The L.S.B. Leakey Foundation
United States Agency for International Development
Orangutan Outreach
Rutgers University
The Center for Human Evolutionary Studies
Article History
Received: 12 March 2021
Accepted: 21 April 2021
First Online: 13 May 2021
Competing interests
: The authors declare no competing interests.