Journal
PRIMATES
Volume 41, Issue 1, Pages 103-108Publisher
JAPAN MONKEY CENTRE
DOI: 10.1007/BF02557466
Keywords
Pan troglodytes; tool use; ant dipping; meat eating; culture
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New evidence of ant dipping and meat eating by chimpanzees was recorded in the Kalinzu Forest, Uganda. We found stems and branches at the nests of driver ants, Dorylus molestus, just after chimpanzees had left the spot. Fecal samples also revealed that chimpanzees sometimes ate driver ants. The configuration of stems and branches and the condition of holes at the driver ant's nests suggested that chimpanzees used them as wands to dip for ants. The frequency of ant dipping and length of wands may be more related to cultural rather than ecological factors. Although hunting was not seen, we found chimpanzees eating a blue monkey and a redtail monkey. In both cases, they ate meat and leaves alternatively, and shared meat with each other.
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