Funding for this research was provided by:
National Science Foundation (965074)
Leakey Foundation
Volkswagen Foundation
Article History
Received: 12 September 2018
Revised: 22 March 2019
Accepted: 29 April 2019
First Online: 8 May 2019
Compliance with ethical standards
:
: Permission to conduct this research was provided by the DelegaciĆ³n Tecnica Regional NEA of the Argentine Administration of National Parks (permit no. NEA 142). Predator model exposures and playback experiments were approved by the Animal Welfare Officer at the German Primate Center, adhered to the ethical guidelines of the Association for the Study of Animal Behaviour, and complied with all laws of Argentina and the EU.