Other than 3 being more than 2, what's the difference between a two-toed sloth and a three-toed sloth? The cute little creatures can't speak for themselves, so the job's up to Trace.
Sure, we're all in love with the cuddly, takin'-it-easy sloths of today, but what did they look like in a land far, far back in time?
Evolutionary adaptation keeps vital organs from crushing their lungs.
These now-extinct swimmers had highly dense bones that facilitated their transition from land to sea by helping them sink to seafloors to graze.
Moths and dung eating insects live on sloths, and they create algae on its body. The algae serves as a camouflage from predators, and also as a tasty snack! Trace hangs out and discusses how you might not want to hold a sloth anymore.
Food grows right on the bodies of sloths, which could be the world's best recyclers.
Sloths are so photogenic they have been recruited to serve as animal ambassadors for Suriname, a country in northern South America.