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

"It looks like it was black quills or black toothpicks sticking out all around his or her mouth," local resident Susan ...

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

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

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

Some rabbits spotted in Fort Collins, Colorado, appear to have growths or tentacles coming out of their heads, which Colorado ...

The cottontail rabbit papillomavirus, which alarmed some Colorado residents, cannot spread to other species and often goes ...

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

Rumors spread online that rabbits infected with a virus that creates a tentacle-like growth on their faces were "invading" ...

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, horn-like growths may seem straight out of a low-budget horror film, but ...