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

As weird and concerning as they appear, the virus that causes the dark, wart-like horns or tentacles to grow on cottontail rabbits is relatively common and usually not anything to worry about, CPW

Wild rabbits in Fort Collins with tentacle-like growths are infected by a virus called Shope papilloma virus, often mistaken for the mythical jackalope.