Squirrels with pox and rabbits with horns. Learn more about the viruses impacting these small mammals.

Across the U.S. and Canada, squirrels are appearing with grotesque tumors due to squirrel fibromatosis, a viral skin disease ...

The ‘zombie’ squirrels are covered in hairless, wart-like growths stemming from a condition called fibromatosis ...

Wildlife experts warn that “zombie squirrels” and “Frankenstein rabbits” show how parasites and diseases can alter animal ...

Images of rabbits in Colorado with horns and tentacles are making waves across social media, with many likening their strange ...

Viral photos of wild rabbits with unusual black horns or tentacle-like growths sprouting from their faces have people asking ...

Rabbits spotted with "tentacles" or horns growing out of their heads. But it's really happened in Colorado. "There are really ...

A group of rabbits in Colorado with grotesque, hornlike growths may seem straight out of a low-budget horror film, but scientists say there's no reason to be spooked -- the furry creatures merely have ...

Some cottontail rabbits in Fort Collins, Colorado, have been drawing attention because they have wart-like growths on their ...

SEATTLE — The "Frankenstein bunnies" have been making waves across social media in the U.S. Recently, one rabbit potentially ...

Earlier this week, the internet collectively gasped and recoiled as photos went viral of rabbits in Fort Collins with ...