Photo of the Day

Picture of a man feeding crackers to giraffes at a zoo in Wisconsin
July 24, 2022

Giraffe Gathering

A geneticist interacts with giraffes at the Henry Vilas Zoo in Madison, Wisconsin. This previously unpublished photo was taken as a part of coverage for the February 2009 cover story, "What Darwin Didn't Know."
Photograph by Lynn Johnson, Nat Geo Image Collection

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