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Colorado rabbits with unsettling appearances pose no real threat

Horned rabbits in Fort Collins have been verified to carry Shope papillomavirus, an uncommon and generally benign virus.

Colorado's 'demonic rabbits' pose no threat, despite their menacing appearances
Colorado's 'demonic rabbits' pose no threat, despite their menacing appearances

Colorado rabbits with unsettling appearances pose no real threat

In the picturesque town of Fort Collins, Colorado, a peculiar sight has been catching the eyes of local residents – rabbits with horn-like growths. These unusual growths are not a result of environmental toxins or mutations, but a known consequence of a viral infection.

The virus responsible for these growths is the cottontail rabbit papillomavirus, also known as the Shope papillomavirus. This virus, first identified by Dr. Richard E. Shope in the 1930s, is a naturally occurring virus among wild rabbits, particularly in the Midwest and surrounding regions.

The virus produces wart-like growths that can vary from small nodules to large horn- or tentacle-like protrusions. These growths may look alarming, but they are a known consequence of this viral infection and do not pose a significant risk to humans or pets.

Although the growths can sometimes become cancerous, they primarily manifest as benign tumors. In most cases, the rabbits' immune systems eventually fight off the virus, and the growths disappear. It's not uncommon for the virus to spread among wild rabbit populations during the summer, when it is transmitted by fleas and ticks.

The growths are made of keratin, the same protein found in hair and nails, and generally don't harm the animals. However, they can cause problems if they develop over sensitive areas such as the eyes or mouth. Officials compare the growths to benign cancerous cells and note that there is no cure for the virus.

Residents have recognized individual rabbits returning to their yards over multiple years with the condition, and wildlife officials in Colorado are receiving reports of cottontail rabbits with horn-like growths. Despite the unusual sight, the best course of action is to let nature run its course.

While the "horned" rabbits in Fort Collins may seem alarming, they are a known wildlife phenomenon caused by this specific papillomavirus infection affecting the local wild cottontail rabbit population. This fascinating discovery adds to our understanding of viral infections and their impact on wildlife.

  1. The discovery of the horn-like growths on cottontail rabbits in Fort Collins, Colorado, sheds light on an intriguing aspect of science, demonstrating the impact of a viral infection like the cottontail rabbit papillomavirus on wild animal populations.
  2. As technology advances, scientists can use this phenomenon as a case study for innovation in health-and-wellness research, continuing to uncover new insights about viral infections and their effects on different species.

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