Recently, some wild rabbits have been seen in the U.S. with "horn-like" growths spurting from their heads that are caused by a viral infection, according to experts. "Rabbit papillomas are growths on ...

The unsightly bunnies are infected with cottontail rabbit papillomavirus, which can cause growths that resemble warts or tentacles. By Hannah Ziegler With black spikes growing on their heads, ...

Sightings of rabbits in northern Colorado with horn-like growths coming from their heads and near their mouths have recently stirred interest—and disgust—among local residents and across social media.