Chimpanzees Share Forbidden Fruit Hockings, Kimberley J. ; Humle, Tatyana ; Anderson, James R. ; Biro, Dora ; Sousa, Claudia ; Ohashi, Gaku ; Matsuzawa, Tetsuro Abstract Publication: PLoS ONE Pub Date: September 2007 DOI: 10.1371/journal.pone.0000886 Bibcode: 2007PLoSO...2..886H