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 ...

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

Wild rabbits with strange black growths on their heads have caused concern among Colorado residents with some referring to ...

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

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

Strange growths on Colorado rabbits are caused by a common seasonal virus spread by insects. The virus is harmless to humans ...

Rabbit papilloma virus is a mostly benign disease that can impact cottontail rabbits in Colorado bitten by infected fleas or ...

Spread the loveOnce adorable bunny rabbits running and wiggling around the parks in Colorado, have been infected with cottontail rabbit papillomavirus, which has caused unusual growths resembling ...