The blue jay/green jay hybrid, a male offspring of a green jay mother and a blue jay father, has predominantly blue feathers, ...

A homeowner’s sighting near San Antonio led to the discovery of the first known blue jay–green jay hybrid, raising climate change concerns.

Polar bear meets grizzly bear. They hit it off and have babies. Enter the grolar bears. Or pizzly bears, as some like to call ...

Polar bear meets grizzly bear. They hit it off and have babies. Enter the grolar bears. Or pizzly bears, as some like to call ...

They will dig you out of your igloo and tear you to shreds with their paws that are the size of a Toyota Land Cruiser ...

The rare grolar bear is a natural hybrid of grizzly and polar bears with a striking two-tone coat. It's a rare sight in the ...

Upon studying the bird’s genetics and appearance, the researchers concluded it was a male hybrid offspring of a green jay ...