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 This previously unpublished photo was taken as a part of coverage for the February 2009 cover story, "What Darwin Didn't Know."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
DON'T MISS THE REST OF THIS STORY!
Create a free account to continue and get unlimited access to hundreds of Nat Geo articles, plus newsletters.

Go Further

Subscriber Exclusive Content

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

Create your free account to continue reading

No credit card required. Unlimited access to free content.
Or get a Premium Subscription to access the best of Nat Geo - just $19
SUBSCRIBE