Colorado once had different bear species roaming its wilderness, but sadly, that's no longer the case. Here's what we know.

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.