NDLI: Do chimpanzees (Pan troglodytes) use cleavers and anvils to fracture Treculia africana fruits? Preliminary data on a new form of percussive technology

Content Provider	Springer Nature Link
Author	Koops, Kathelijne McGrew, William C. Matsuzawa, Tetsuro
Copyright Year	2009
Abstract	Wild chimpanzees (Pan troglodytes) are renowned for their use of tools in activities ranging from foraging to social interactions. Different populations across Africa vary in their tool use repertoires, giving rise to cultural variation. We report a new type of percussive technology in food processing by chimpanzees in the Nimba Mountains, Guinea: Treculia fracturing. Chimpanzees appear to use stone and wooden “cleavers” as tools, as well as stone outcrop “anvils” as substrate to fracture the large and fibrous fruits of Treculia africana, a rare but prized food source. This newly described form of percussive technology is distinctive, as the apparent aim is not to extract an embedded food item, as is the case in nut cracking, baobab smashing, or pestle pounding, but rather to reduce a large food item to manageably sized pieces. Furthermore, these preliminary data provide the first evidence of chimpanzees using two types of percussive technology for the same purpose.
Starting Page	175
Ending Page	178
Page Count	4
File Format	PDF
ISSN	00328332
Journal	Primates
Volume Number	51
Issue Number	2
e-ISSN	16107365
Language	English
Publisher	Springer Japan
Publisher Date	2009-12-08
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Tool use Percussive technology Chimpanzee Material culture Evolutionary Biology Behavioural Sciences Animal Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology

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