Grizzly/polar-bear hybrids pop up every now and then where the two bear species’ ranges overlap—and because of a warming Arctic, these ranges are overlapping more and more.

The park service says that when a bear bluff charges, it will usually have its head and ears up and forward, it will puff itself to look bigger, and bound on its front paws toward you, moving in big ...

All hybrids identified in the study are "grolar bears," suggesting all eight hybrids descended from one single female polar ...

Spotting polar-grizzly bear hybrids in the wild can be tricky. This polar bear's darker face and body shape might lead some to think it's a hybrid, but only genetic testing can say for sure.

Polar bear equipped with camera collar reveals details of life in the melting Arctic 04:34. Polar bears, unable to thrive on land in Canada's Hudson Bay, are facing greater risk of starvation as ...

Gordon Stenhouse is one of the bear experts who has collaborated with Polar Bears International on its coexistence program. He's a grizzly bear biologist, research scientist and consultant based ...

These bears are exactly what they sound like — a cross between a polar bear and a grizzly bear — and the first known hybrid was documented in 2006, when an Idaho hunter killed one in Canada.

Depending on the source, the "albino brown bear" or "albino grizzly bear" has repeatedly been transported to the Arctic after mistakenly being identified as an out-of-place polar bear.

ROYAL OAK, MI – Laerke the polar bear is doing just fine. Many visitors to the Detroit Zoo expressed concern about the young polar bear after her companion, Jebbie the grizzly bear, was moved to ...