Authors: Elizabeth Lonsdorf; Dominic Travis; Richard Ssuna; Emma Lantz; Michael Wilson; Kathryn Gamble; Karen Terio; Fabian Leendertz; Bernhard Ehlers; Brandon Keele; Beatrice Hahn; Thomas Gillespie; Joel Pond; Jane Raphael; Anthony Collins Journal: Primates Date: 2013-07-20 Impact factor: 2.163