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 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 ...

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 ...

1. There are two groups of sloths in the world: Those with two claws on their front limbs and those with three claws on all four of their limbs. In total, six sloth species are found in the Americas, ...

WASHINGTON— The U.S. Fish and Wildlife Service today proposed protecting the pygmy three-toed sloth under the Endangered Species Act. The proposal responds to a 2013 petition filed after officials ...