Photo of the Day

Chimpanzee in a tree
March 16, 2010

Chimp Call

This Month in Photo of the Day: National Geographic Magazine Features As rain falls in Congo's NouabaléNdoki National Park, a chimp adds to the chorus of excited calls ringing through the forest. See more photographs from the February 2010 feature story "The Truth About Chimps."
Photograph by Ian Nichols

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