Grizzly Bear

Ursus arctos

Go Back to Field Guide
  • Grizzly Bear |  Photo: Ken Conger, NPS
  • Grizzly Bear |  Photo: Ken Conger, NPS
  • Grizzly Bear |  Photo: Ken Conger, NPS
  • Grizzly Bear |  Photo: Ken Conger, NPS by v8.6m

Grizzly Bear Photo Gallery

Basic Information

Other names

Brown Bear






Grizzly Bears are generally between 3.5 and 9 feet in length.


up to 30 years in the wild


Grizzly Bear (Ursus arctos) facts, habitat, diet, range, bear pictures and more to help you learn to identify nature's alpha predator.




Sows birth 1-3 cubs.


Rocky Mountains, Southwest, Pacific Northwest, Western Canada, Alaska


Grizzly Bears are extremely dangerous. People die when they don't use common sense. Please see TrailMob's tips from camping and hiking in Grizz country.

What does the Grizzly Bear look like?

Grizzly bears have huge heads and the iconic humped shoulder. Their fur color is various shades of brown. Grizzlies have impressively long front claws and rounded ears. Males are larger than females. Kodiak Bears in Alaska are by the far the largest.

Grizzly Bear Habitat

Open Forests, Tundra, Mountains

Grizzly Bear Facts

Grizzly Bears live solitary lives except during mating season. They are known to mark trees like Black Bears. Cubs remain with their mothers for several years. They hibernate during the winter months. When preparing for hibernation Grizzlies can gain as much as three pounds in a single day. They are extremely powerful and run more than 30 miles an hour for a short distance.

Grizzly Bear Distribution

See also