We have had theoretical battles between animals for fun, but here is a contest that has occurred in real life! Because of the rapidly changing climate, polar bears are ranging south and have ...

Meet the "pizzly" bear! The animal is a hybrid created by the mating of a grizzly bear and a polar bear — a pairing scientists found could be happening more often due to climate change.

Bears are emerging from hibernation in western Wyoming, leaving their pawprints in the melting snow in both Yellowstone and ...

As a result, the lines between the grizzly vs brown bear are becoming less distinct. There are also a growing number of matings between Polar Bears and Grizzly Bears. The resulting offspring are ...

Climate Change Could Lead to Increase in 'Pizzly' Bears, a Polar Bear and Grizzly Bear Hybrid The mother bear lets the hare bounce away before continuing her trek with her cubs. As Renner notes in ...

Grizzly bears in Yellowstone National Park are waking up and most roads will open to automobile traffic next month, which means prime bear-viewing season is just around the corner. With this in ...

Grizzly bears and black bears occupy much of the same territory in North America, and the two species are known to be fierce competitors. As the one of the continent’s top predators, grizzlies ...

Bears are emerging from hibernation in western Wyoming, leaving their pawprints in the melting snow in both Yellowstone and Grand Teton National parks. A Grand Teton National Park employee observed a ...