There are rabbits in Fort Collins, Colorado, that have been observed with horn-like , tentacles growths due to the Shope papilloma virus (SPV).

Here's a breakdown:

1. Shope Papilloma Virus (SPV): This is a real virus, specifically a papillomavirus, that affects rabbits. It… pic.twitter.com/8M0wdDlGTV

— PeacefulCanvas (@PeacefulxCanvas) August 12, 2025