Fans of the movie franchise Zootopia know that sloths make the perfect DMV (Department of Mammal Vehicles) workers.

It’s not considered polite to talk about it, but we all do it. Some of us are in and out so quickly that nobody would even ...

Quick Take With sloths, the females are the ones responsible for mating calls. Three-toed sloth mating calls are often ...

Footage of one of STRI's Bocas del Toro Research Station's resident sloths climbing the trees at the Station. The star of this video is a female Three-toed sloth (Bradypus variegatus). Video by: J.P.

Look closely up in the trees of a shade-grown cacao plantation in eastern Costa Rica, and you’ll see an array of small furry faces peering back at you. Those are three-toed sloths that make their ...

Wrong. Sloth bears have a nasty habit of going on an explosive attack if they’re startled and using their sharp claws to rake down the front of their victims, ripping off their faces and gouging out ...

Montgomery, G. Gene and Sunquist, M. E. 1972. "Resting respiration rates of free-living three-toed sloths." Mammalia, 36, (3) 530–532.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Everybody loves sloths, and whenever we talk ...