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

Colorado residents have been spotting rabbits with tentacles on their heads in recent weeks, but it's actually caused by the cottontail rabbit papillomavirus.

Rabbits growing apparent tentacle-like growths out of their heads have been spotted in Colorado, NBC affiliate KUSA in Denver reported.