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Neon hairs on hares? Science says yes

|  March 31, 2021 0 Comments
PHOTO: JOSLINP/ISTOCK/GETTY IMAGES PLUS/GETTY IMAGES

PHOTO: JOSLINP/ISTOCK/GETTY IMAGES PLUS/GETTY IMAGES

When the Easter Bunny glows pink and red, you know you either got into a bad batch of jelly beans, or perhaps you’re watching the biofluorescence of the nocturnal springhare (Pedetidae).

Yep, in the Feb. 18 edition of Scientific Reports, distilled for the masses over at LiveScience.com, “researchers are building a growing (and glowing) list of fluorescent mammals, and a new addition, an endearing jumping rodent called the springhare, just leaped into the spotlight, its brown fur lighting up in swirling disco patterns of pink and orange under ultraviolet (UV) rays.”

Biofluorescence is defined as “the absorption of short wavelengths of light and re-emission of longer wavelengths of light.” According to an article in Science News, the team looked at both museum specimens and live captive-bred specimens of Pedeitdates:

All individuals exhibited orange to red biofluorescence, although the scientists did observe variation in the intensity of biofluorescence across individuals.

“We observed fluorescence of individual springhare hair fibers and variation in the presence of fluorescence within individual hair fibers, suggesting that the fluorescence is distributed through the thickness of the cuticle and absent from the core and tips of hair fibers,” they said.

“The fact that biofluorescence was not easily removed via washing and was present on museum specimens from 1905 suggests that the biofluorescence is a part of the physical anatomy of the hair fibers for Pedetidae.”

Now, these hares won’t be crossing paths with your technicians anytime soon, unless you have accounts in southern Africa or in parts of Kenya or Tanzia. Still, researchers were curious about the glow, which is also found in certain species of flying squirrels, opossums and platypi, as well as fish, reptiles, birds and other animals. They are doing more research to build upon the theory that a natural lighting from within could be ecologically helpful for nocturnal animals.

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Heather Gooch

About the Author:

Heather Gooch is the editor for PMP magazine. She can be reached at hgooch@northcoastmedia.net or 330-321-9754.

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