At first glance, they appear to be creatures out of a nightmare—cottontail rabbits in northern Colorado with dark spikes and ...

As weird and concerning as they appear, the virus that causes the dark, wart-like horns or tentacles to grow on cottontail ...

A group of rabbits in Colorado with grotesque, hornlike growths may seem straight out of a low-budget horror film, but ...

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

Though the strange growths on these animals may look intimidating, experts say there’s not much to worry about, and they're ...

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

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

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

Rabbits in Colorado went viral—and sparked concern—after growing black, tentacle-like horns on their head and neck.

Colorado Parks and Wildlife officials have identified the cause as shope papillomavirus, a rabbit-only virus with no cure ...

Colorado residents have been spotting rabbits with tentacles on their heads in recent weeks, but it's actually caused by the ...

They may look like real-life jackalopes, but these rabbits owe their peculiar appearance to an infection caused by a cousin ...