Photo of the Day

a bonobo in a reserve in Africa
July 9, 2013

Bonobo, Democratic Republic of the Congo

This Month in Photo of the Day: Animal Pictures

The bonobo, once called the pygmy chimpanzee, is a unique species of ape, native only to forests on the left bank of the Congo River. Recent research casts new light on their sexual and other behavior.

See more pictures from the March 2013 feature story "The Left Bank Ape."

Explore 125 years of National Geographic »

Photograph by Christian Ziegler, National Geographic

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