Photo of the Day

a white-coated ermine in the snow in Gran Paradiso National Park, Italy
February 23, 2015

Winter White

Among the wildlife inhabiting Italy’s Gran Paradiso National Park are ibex, chamois, red foxes, and ermines such as the one shown here wearing its white winter coat (its spring and summer coat is reddish brown).

See more photos from the February 2015 feature story “Paradise Found.”

Learn about how Stefano Unterthiner's love of photography developed in Gran Paradiso National Park on Proof.

Photograph by Stefano Unterthiner, National Geographic

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