Funding for this research was provided by:
National Science Foundation (F031543)
The Leakey Foundation
University of Michigan
Nacey-Maggioncalda Foundation
National Science Foundation (DGE 1256260)
National Institutes of Health (RO1AG049395)
National Geographic Young Explorer grant
Article History
Received: 1 April 2016
Accepted: 27 June 2016
First Online: 5 July 2016
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All applicable international and institutional guidelines for the care and use of animals were followed.