Taxonomy: While there has been much confusion about the taxonomy of brown bears (Ursus arctos), taxonomists agree there are at least two subspecies in North America — the grizzly bear
UnDisciplined: the bear facts
Brown Bear articles - Encyclopedia of Life
North American Bear Center
Fact check: Story of huge man-eating Alaskan grizzly bear is tall tale
Courtrooms are critical habitat for grizzly bears • Daily Montanan
Brown Bear articles - Encyclopedia of Life
Bear Facts Archive - North American Bear Center
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دب بني - المعرفة
Bears and the Pacific Northwest National Scenic Trail
Support reintroducing grizzly bears to the North Cascades