Though the horned rabbits aren’t a danger to humans or pets, Van Hoose advises people to keep their distance from the ...

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

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

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 northern Colorado have been spotted with bizarre, somewhat grisly horns on their face. Shope papillomavirus is ...

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

This article was originally published on mentalfloss.com as Why Rabbits Are Growing Scary ‘Tentacle' Warts on Their Heads in ...

The grotesque “Frankenstein”-esque rabbits — once just a Colorado curiosity — are now turning up in Minnesota and Nebraska, their furry faces sprouting grotesque horn- and tentacle-like growths ...

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

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