Colorado Parks and Wildlife (CPW) said the black growths on the rabbits are from a viral infection caused by the cottontail rabbit papillomavirus Experts note that the growths often don't harm the ...

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 ...

Research in North Carolina involving rabbit poop could help protect a vulnerable species in the state, wildlife officials said. An “elusive” rabbit known as the Appalachian cottontail faces several ...