Experts issue warning as infected 'Frankenstein' rabbits with 'tentacles' have invaded the US
A number of wild rabbits have been spotted hopping around with nightmarish facial growths across Fort Collins, Colorado.
Photographs of the tainted mammals taken by locals are not for the faint-hearted, that's for sure, as the bunnies appear to be cursed with dark, stubby tentacles protruding out of their skin.
But this isn't some Stranger Things-esque phenomenon.
It's the cottontail papilloma virus (CRPV) at work - giving rise to the 'jackalope' myth (rabbit with antlers) in modern times - which causes benign, Lovecraftian tumours to materialise on the head of the animals.
What is the cottontail papilloma virus?
ScienceDirect explains that CRPV is defined as a papillomavirus that serves as the etiologic agent of cutaneous papillomatosis in rabbits, and has been extensively studied as a model for papillomavirus-induced carcinogenesis.
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It can cause 'rough, red, wartlike, keratinized, often pigmented lesions on the ears, eyelids, neck, shoulders, abdomen, and thighs' of rabbits, and it isn't known to be contageous to humans.
How is CRPV spread and caught in rabbits?
Researchers suggest that the 'Frankenstein' variations, as seen in these rabbits, could spread throughout the Midwest, carried by mosquitoes and ticks which bite the infected ones and transport their hideous conditions as opposed to direct contact between rabbits.
As for how CRPV affects the host, it all begins with red, raised spots on the skin that eventually mutate into warty masses.
The next phase of infection is the emergence of black tendrils covering the mouth, cheek and eye areas, although some of the initial warts can in fact transform into life-threatening skin cancer.
What has Colorado Parks and Wildlife (CPW) said about the infected rabbits?
According to CPW, per Eyewitness News 3, anybody who encounters the infected rabbits must avoid all contact and stay away from them, even though it doesn't consider CPRV to be contagious across species.
Speaking to WLBT3 about the horror of it all, Fort Collins resident Susan Mansfield said about witnessing an infected rabbit out in the open: "It looked like black quills or black toothpicks sticking out all around its mouth.
"I thought he'd die off during the winter, but he didn't. He came back a second year – and it grew."
What to do if a pet rabbit is bitten by a mosquito
Medical experts are urging domestic rabbit owners to keep their pets away from pests, but if they do succumb to a mosquito bite, vets can surgically remove the tumours before malignancy sets in.
Out in the wild, the infected patients are likely to starve to death when their horns grow larger and larger, effectively eliminating their ability to see, eat or hear.
In similarly stomach-churning news, did you know that kilograms of the parasitic fungus that inspired The Last of Us can sell for as much as $110,000?
Labelled 'ophiocordyceps unilateralis', or the zombie-ant fungus, it kills insects before commandeering their corpses.
It also comes in several different forms, often differentiated by the animal that the fungus takes over, and one particular type found in caterpillars called Cordyceps militaris or 'Scarlet Caterpillarclub' is available on the market and has some alleged medical benefits.
Some Cordyceps species are traditionally used in Chinese medicine and cuisine, but there's no evidence to suggest that ophiocordyceps unilateralis can be safely consumed by humans - so do not try it at home!
Dan Seddon