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

Rabbits with black, hornlike spikes growing on their heads and other odd or unslightly protuberances are not dangerous and ...

The unsightly bunnies are infected with cottontail rabbit papillomavirus, which can cause growths that resemble warts or ...

Viral photos have inspired a fluffle of unflattering nicknames, including "Frankenstein bunnies," "demon rabbits" and "zombie ...

A group of rabbits in northern Colorado are sprouting growths, and it looks like something out of a horror film. The ...

Colorado Parks and Wildlife: Scary-looking rabbits were hopping around Fort Collins. These weren’t your standard cute, fluffy ...

In a scene reminiscent of fantastical tales, Colorado's rabbits are turning heads with their peculiar tentacle-like ...

A parade of so-called “zombie” rabbits sporting hornlike growths has sparked confusion and concern in Colorado. Wildlife ...

The unusual appearance of the rabbits has drawn significant concern among locals and even social media users online.

Wild rabbits with strange black growths on their heads have caused concern among Colorado residents with some referring to them as “Frankenstein” rabbits.

Some rabbits in Colorado are sporting unusual wart- and tentacle-like growths, but officials say it’s not something to worry ...