Reports and sightings of cottontail rabbit papillomavirus have been documented for centuries, but the symptoms have gone viral in a new sense this summer. Photos of wild rabbits with wart-like horns ...

Add Yahoo as a preferred source to see more of our stories on Google. Rabbit with the papilloma virus, which infects rabbits and causes keratinous carcinomas, typically on or near the animal's head.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) – Some rabbits in Colorado are ...

DENVER (KDVR) – Some rabbits in Colorado are sporting unusual wart- and tentacle-like growths, but officials say it’s not something to worry about. It’s not entirely rare, either, according to ...