The grotesque “Frankenstein”-esque rabbits — once just a Colorado curiosity — are now turning up in Minnesota and Nebraska, their furry faces sprouting grotesque horn- and tentacle-like growths ...

Photos of the cottontails inspired nicknames like “Frankenstein bunnies,” “demon rabbits” and “zombie rabbits.” ...

Fort Collins residents spot cottontail rabbits with hornlike growths, dubbed "Frankenstein bunnies," caused by Shope ...

Wild rabbits with strange black growths on their heads have caused concern among Colorado residents with some referring to ...

Officials say there is nothing to worry about and explained why the rabbits have hornlike growths on their heads.