The grizzly bear (Ursus arctos horribilis) is also known as the North American brown bear. It is the third-largest bear belonging to the family Ursidae, which includes eight species of bears.

What complicates matters even further is that some experts recognize several North American subspecies, while others recognize only two, the grizzly bear and the Kodiak bear of southern Alaska.

Scientists agree that grizzly bear recovery in the North Cascades requires augmentation of its tiny ... With European settlement of the American West, they were shot, poisoned and trapped to near ...

The grizzly bear has one of the slowest reproductive rates of all North American mammals. LIFE CYCLE: Grizzly bears can live 20 to 25 years. FEEDING: Grizzly bears are omnivores, feeding on just about ...

On March 19, an employee at Grand Teton National Park spotted a grizzly north of the park’s boundary. Since then, other reports of bear sightings have been trickling in, including the first ...

Nearly a year after deciding to restore grizzly bears to the North Cascades Ecosystem, officials won't say exactly when the ...

Graham Duggan Most archeologists agree that human beings reached North America 14,000 years ... reaching 4 metres when reared up — more like a grizzly bear on stilts. We don’t know if these ...

The American black bear is a medium-sized bear native to North America. It is the continent’s smallest and most widely distributed bear species. Black bears are omnivores with their diets ...

Home ranges overlap; males have larger (100-125 sq. mi) ranges that females (24-50 sq. mi). North American densities vary from one black bear per 0.9 - 76 sq. mi. Costello, C. 1992. Black bear habitat ...