Colo. is full of military bases. "Rabbit papillomas are growths on the skin caused by the cottontail rabbit papillomavirus (HPV?)Colorado Parks and Wildlife (CPW) says on its website, as some people in the state have reported the strange sightings.2 hours ago https://www.youtube.com/live/3FLoDxLPmuY?si=wgsG7w5jXxwfEsT_