Researchers who studied 144 chimpanzee communities in Equatorial Africa found 31 behaviors that varied from one group to another (AFP Photo/ISSOUF SANOGO)More

Washington (AFP) – Like humans, chimpanzees are culturally diverse but those differences are being eroded by human incursion, international researchers say in a groundbreaking study published Thursday.

The striking results, published in the American journal “Science,” show that the behavioral diversity of chimpanzees was reduced by an average 88 percent in areas with the highest human impact, compared to remote pristine forests.

In the tropical rainforests and savanna woodlands that are the chimpanzees’ natural habitat, the researchers observed 31 behaviors

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