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 ...

Oct. 20 (UPI) --International Sloth Day, marked annually on Oct. 20, was founded by nonprofit animal protection organization AIUNAU in 2010. AIUNAU said members Sarita Kendall and Tinka Plese came up ...

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, ...

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 ...