In chimpanzee communities, strong social ties can be a matter of life and death not just for the adults who form them, but ...

A new federally funded study of wild eastern chimpanzees in Gombe National Park reveals that female chimps who are more ...

Female chimps are often the ones who leave their birth group. That means most do not live near their mothers or sisters.

Baby chimps thrive when their moms have lots of friends, according to new research. Chimpanzee mothers with stronger social ...

Their results, published in Current Biology, show that eastern and western chimpanzees—two distinct subspecies—drum with distinguishable rhythms.

Over 300 observations of two distinct subspecies–eastern and western chimpanzees –show that the primates can drum with distinguishable rhythms.

New research from a team of cognitive scientists and evolutionary biologists finds that chimpanzees drum rhythmically, using regular spacing between drum hits. Their results show that eastern and ...

Western chimpanzees typically drummed more often and faster, while eastern chimpanzees drum more slowly and start drumming later in their hooting.

Their results show that eastern (Pan troglodytes schweinfurthii) and western (P.t. verus) chimpanzees — two distinct subspecies — drum with distinguishable rhythms.

She says eastern chimpanzees alternate short and long spaces between their drumming hits, while western chimpanzees evenly space them.