Phil. Trans. R. Soc. B 370, 20140110 (2015) (doi:10.1098/rstb.2014.0110)
The affiliations of the first author, Rebecca Rimbach, are incomplete. The full list of affiliations is as follows:
1School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Private Bag 3, WITS 2050 Johannesburg, South Africa
2Behavioral Ecology and Sociobiology Unit, German Primate Center, Kellnerweg 4, 37077 Göttingen, Germany
3Fundación Proyecto Primates Colombia, Cra. 11a No. 91–55, Bogotá, Colombia