A group of rabbits in Colorado with grotesque, hornlike growths may seem straight out of a low-budget horror film, but scientists say there's no reason to be spooked — the furry creatures merely ...

Wildlife officials say a virus is causing rabbits in Colorado to sprout horn-like growths. What is rabbit papillomavirus and is it dangerous to pets?

Rabbits with ‘horns’ in Colorado are being called ‘Frankenstein bunnies.’ Here’s why The virus likely influenced the centuries-old jackalope myth in North America, but also contributed ...

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