28 Apr '14, 4pm

How do sloths hang upside down all day without getting tired?

How do sloths hang upside down all day without getting tired?

Sloth organs can be heavy, especially when a lot of waste builds up in their bowels. The animals, which live in the rain forests of Central and South America, are so economical in their energy use that they leave the trees just once a week to poop. (Why bother leaving the canopy at all? A recent study found that by pooping on the forest floor , sloths help create a breeding ground for moths that live in the animals' fur; these moths in turn boost the presence of algae, a crucial part of the sloths' diet.) [Photos: Slow-Moving and Ridiculously Cute Sloths

Full article: http://www.mnn.com/earth-matters/animals/stories/how-do-s...

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