A parade of so-called “zombie” rabbits sporting hornlike growths has sparked confusion and concern in Colorado. Wildlife officials say there’s no cause for alarm. These unusual creatures are simply living with a harmless,

Across the border in Colorado, some cottontail rabbits are drawing nation-wide attention not for their cute button noses but for the tentacle like growths coming out of their heads.

A group of rabbits in northern Colorado are sprouting growths, and it looks like something out of a horror film. The papillomavirus causes wart-like growths to protrude from the rabbits' faces, and infections often peak in the summer months during tick season.

The cottontail rabbit papillomavirus, which alarmed some Colorado residents, cannot spread to other species and often goes away on its own, according to experts.

A rapidly spreading virus is causing cottontail rabbits to grow black, tentacle-like growths out of their heads, prompting warnings to steer clear of the mutated animals.