%0 Journal Article %A Ebel, Sonja Jördis %A Kopp, Kathrin Susanne %A Liebal, Katja %+ Department of Comparative Cultural Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society External Organizations %T Object preferences in captive Sumatran orang-utans (Pongo abelii) : %G eng %U https://hdl.handle.net/21.11116/0000-0005-0BCC-A %R 10.1016/j.beproc.2019.103993 %D 2020 %* Review method: peer-reviewed %K Colour preference; Object exploration; Primates; Sex differences; Shape preference %J Behavioural Processes %V 170 %] 103993 %I Elsevier %C Amsterdam %@ 0376-6357