For many years, scientists have assumed that sloths do not fart. He believed that the methane produced by the digestive system was slowly absorbed into the bloodstream and exhaled from his mouth. But now, researchers are capturing what could be the first footage of farting sloth.
A video showing baby Hoffmann’s two-toe sloth (Choloepus hoffmanni) tearing in a bucket of water was shared by Zoologist and presenter Lucy Cook (@luckycooke) and wildlife veterinarian Andresser Enz Breutigum (@slothvet.ands) (July 15).
“Yes, sloths fart, and I may have just witnessed the first documented case,” Cook wrote in the post.
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Cook told Live Science that the idea of “the sloth is not going to go” was popularized through biologist Dani Labiotti and researcher Nick Caruso’s book, “It’s Fart.”
“I always thought sloths were interested in “reabsorbing” the gas in their gut into the bloodstream before exhaling,” Cook said in an email. “However, the author is a biologist and although her well-researched books were supported by academic references, I also checked.”
Related: Is that a fart? 10 fascinating facts about animal toots
But Cook wasn’t surprised that Breutigum, a veterinarian at Tucan Rescue Ranch in Costa Rica, who has studied sloths for over a decade, actually did it by those who live in these trees. “It’s difficult to see the advantage of evolving such torture mechanisms,” Cook said.
Bräutigam said, contrary to popular belief, sloths are actually very gaseous creatures. “The sloths are a big fermenter and some of the biggest methane producers out there,” he told Live Science via Instagram. “Some studies even claim they can produce more gas than anti-min animals like cows (per kg of body weight produces much more methane, as cows are much heavier).”
Sloths are actually very gushy, which can make studying difficult. “If you’re working with sloths, you live everywhere with the x-rays with gas, which can interfere with ultrasound, but in reality it can be a big concern,” says Bräutigam. “They are so gushy that they float in the water and use stomach gas.”
In the wild, most sloths eat leafy foods and rely on intestinal bacteria to destroy them all. However, in captivity, their diet is often supplemented with vegetables, but Bräutigam even said they are gassiering. “you [feed them] Easy to digest materials [like vegetables]bacteria just round out it off and create more and more gas,” he said. “In this way, gas and the associated pressures can be a big problem.”
Unlike cows that blow most of the excess methane away, sloths have a very strong esophagus. In other words, you cannot vomit or belch. But all this gas needs to go somewhere. “We learned that by placing sloths in a warm, wet bath for a short time, it stimulates them to do business and loosen all the gas,” Breutigum said.
And if you’re wondering what sloth farts smell like, Breutigum described them as “quiet but deadly.”
This discovery shows that there is still much to learn about these slow moving creatures. “This is an example of how even peer-reviewed science can get hooked on itself, and it reminds us that these slow moving odd numbers are still full of surprises.
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