Mother grizzly and cub at Gibbon River, Yellowstone National Park
By Species Management Research Program
April 2016 (approx.)
![Mother grizzly and cub at Gibbon River, Yellowstone National Park.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/F3COY-Gibbon%20River%20YNP%2029Apr2016-Frank%20T.%20van%20Manen%20%2820edit%29.jpg?itok=6Ihbi2dv)
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.