A rare bear hybrid exists in the wild: polar bears and grizzlies can produce viable offspring, confirmed by DNA. It’s a sign of shifting overlap, not “a new species”: experts frame these bears as ...

In the Arctic, a strange new predator is beginning to appear. As climate change pushes polar bears south and grizzlies north, the two species are starting to meet — and sometimes mate. The result is a ...

As the planet has warmed, grizzly bears have expanded their territories further north, while the endangered polar bears, thin and starving, have been driven further south, in search of food. The two ...

If we were to list some of the most common animals, we might think of sharks, foxes, or dolphins. However, the world has plenty of hybrids. And they are just as unique and beautiful as the animals we ...