The curious kids suspected it was a bone from a very big ... it as a fossil arm bone likely belonging to an ancient sloth, museum officials announced this week. Thompson called in fossil sloth ...

Different sloth groups can be easily identified by the number of long, curved claws on their forelimbs. The two-toed sloths, as the name suggests, have two claws on their front limbs, while the ...

The extinct giant ground sloths were some of the only mammals that had digestive systems large enough to process the huge avocado seeds whole. They feasted on the fruit and then dispersed the ...

The sloth is the world's slowest mammal, so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of its Central and South ...

The Cleveland Metroparks Zoo announced Tuesday that a sloth bear cub was born back in December. The unnamed female cub weighed 16 ounces at birth and spent time bonding with her mother Shiva.