Kanywara chimpanzees playing (IMAGE)

Tufts University

Kanywara chimpanzees playing

Caption

Wilma plays with her young infant, Willow.

Credit

Dr. Kris Sabbi, Tufts University

Usage Restrictions

Use permitted for stories reporting on research reported in Current Biology: Ecological variation in adult social play reveals a hidden cost of motherhood for wild chimpanzees

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Original content

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