Grizzlies are omnivores that eat salmon, fruit, and various other fish. Polar bears (Ursus maritimus) are the largest of the bear species. They weigh up to 1,300+ pounds and reach up to 8.3 feet.

During their "hibernation," bears do not eat or drink as often, and they will rarely (if at all) defecate or urinate, according to the Alaska Department of Fish and Game. Since polar bears do not ...

University of Toronto Scarborough researchers have directly linked population decline in polar bears living in Western Hudson Bay to shrinking sea ice caused by climate change. The researchers ...