This natural phenomenon may raise the hare on the back of your neck. An increasing number of rabbits in the northern portion ...

Wildlife officials in Colorado have confirmed a troubling rise in cases of shope papillomavirus, a rare disease causing wild ...

Unusual-looking rabbits have recently been spotted in Washington, sporting wart-like growths that can resemble horns.

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 have ...

Some cottontail rabbits in Fort Collins, Colorado, have been drawing attention because they have wart-like growths on their ...