The researchers found that three-toed sloths can harbor more phoretic moths than their two-toed counterparts because of greater concentrations of inorganic nitrogen and higher algal biomass in their ...

The Northern and Southern Maned Sloths may look very similar from the outside, but their genomes reveal different stories: the two species have faced very distinct conditions in Brazil’s Atlantic ...

The world has one more sloth species in it than previously thought. Maned sloths live in a small belt of forest in Brazil and an analysis now suggests those in the south are a different species from ...

When it comes to slow motion, some creatures have truly perfected the art of moving at a crawl. Among the top contenders are the three-toed sloth, the Galápagos tortoise, and the banana slug, each ...

Here’s your excuse to sloooooowwww dowwwnnnn this Friday: It’s International Sloth Day. To celebrate the holiday, we compiled 9 things to know about the sluggish tree-dwellers, according to the World ...