Strange wart-like growths on deer called fibromas may look scary but typically don't harm the animals unless they interfere ...

Images of 'Frankenstein rabbits' with horns and tentacles have spread across social media. We explain what's really happening ...

A rapidly spreading virus is causing cottontail rabbits to grow black, tentacle-like growths out of their heads, prompting ...

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

The grotesque “Frankenstein”-esque rabbits — once just a Colorado curiosity — are now turning up in Minnesota and Nebraska, ...

Rabbits with black, tentacle-like growths sprouting from their faces have been spotted in Colorado. Colorado Parks and ...

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

The growths are most likely caused by a summertime virus common in some U.S. states, but wildlife officials say there is no ...

Photos of the cottontails inspired nicknames like “Frankenstein bunnies,” “demon rabbits” and “zombie rabbits.” ...

Rabbits typically overcome the disease on their own, with research suggesting that in about 35% of affected rabbits, ...

Americans have spotted so-called ‘Frankenstein’ rabbits oozing sluglike tentacles from their faces and ‘zombie’ squirrels ...

Other states have reported 'Frankenstein rabbits,' with black horns coming from bunnies' faces and necks. But are there any ...