Skip to main content
U.S. flag

An official website of the United States government

Mother grizzly and cub at Gibbon River, Yellowstone National Park

April 2016 (approx.)

Detailed Description

A USGS grizzly bear researcher snapped this picture of a mother grizzly bear and her cub in Yellowstone National Park. Adult females are the most important segment of the grizzly bear populations because they are the reproductive engine.