2 documents found, page 1 of 1
Tools to tipple
Hockings, Kimberley J.; Bryson-Morrison, Nicola; Carvalho, Susana; Fujisawa, Michiko; Humle, Tatyana; McGrew, William C.; Nakamura, Miho; Ohashi, GakuPTDC/CS-ANT/121124/2010 UID/ANT/04038/2013; African apes and humans share a genetic mutation that enables them to effectively metabolize ethanol. However, voluntary ethanol consumption in this evolutionary radiation is documented only inmodern humans.Here, we report evidence of the long-term and recurrent ingestion of ethanol from the raffia palm (Raphia hookeri, Arecaceae) by wild chimpanzees (Pan troglodytes ...
Chimpanzees share forbidden fruit
Hockings, Kimberley J.; Humle, Tatyana; Anderson, James R.; Biro, Dora; Sousa, Claudia; Ohashi, Gaku; Matsuzawa, TetsuroThe sharing of wild plant foods is infrequent in chimpanzees, but in chimpanzee communities that engage in hunting, meat is frequently used as a 'social tool' for nurturing alliances and social bonds. Here we report the only recorded example of regular sharing of plant foods by unrelated, non-provisioned wild chimpanzees, and the contexts in which these sharing behaviours occur. From direct observations, adult ...