Wild animals often have marks of violent encounters. This bear may have struggled with prey or other bears.

As spawning nears, these silvery fish (Oncorhynchus nerka) turn bright red.

North American river otters (Lontra canadensis) usually consume their aquatic prey underwater, but will drag larger catches on land to eat.

The Aghileen Pinnacles consist of volcanic rock, like the whole Alaska Peninsula. These spires have not been eroded by glaciers.

In this diorama, new shoots of American dunegrass (Leymus mollis)—which bears eat—have not yet sprouted in the peninsula’s cool spring temperatures.