Aye-aye (IMAGE)

North Carolina State University

Aye-aye

Caption

The world's weirdest little primate has gotten even weirder, thanks to the discovery of a tiny extra digit. Aye-ayes possess small 'pseudothumbs' -- complete with their own fingerprints --- that may help them grip objects and branches as they move through trees. This is the first accessory digit ever found in a primate.

Credit

David Haring/Duke Lemur Center

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