Grizzly bears in the Greater Yellowstone Ecosystem and throughout their Lower 48 range will remain protected by the ...

Grizzly bears (Ursus arctos horribilis) are a subspecies of the brown bear that inhabits North America. They are amongst some of the largest bears in the world. They are typically three to five ...

Historically, grizzly bears (Ursus arctos horribilis) inhabited most of the western contiguous United States, while black bears (Ursus americanus) were common in forested areas throughout the country.