Polar bears, the largest living bear species, are considered threatened by the U.S. Fish and Wildlife Service ... for Animal Health said that more than half a million poultry birds died or ...

Due to a protein-rich diet filled with seals, young walruses, fish, whales, and other common Arctic prey, polar bears (Ursus ... estimate that about half of the bear’s weight is fat.

Big Oil and the state of Alaska brought a suit challenging the polar bear's critical habitat decision — forcing the Fish and Wildlife Service to rethink its landmark designation — but in February 2016 ...

Polar bear cubs usually stay with their mothers for up to two-and-a-half years but this one appeared ... Biologists with the U.S. Fish and Wildlife Service were informed of the whereabouts of ...

The polar bear is a carnivorous ... lb), while a sow (adult female) is about half that size. Although it is the sister species of the brown bear, it has evolved to occupy a narrower ecological ...