During his travels in Uruguay, Darwin uncovered fossils belonging to Glossotherium, also known as the “tongue beast,” another ...

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 Hoffman's two-toed sloth is one of the world's slowest mammals—so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of ...

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.

Recent detailed comparisons of the hyoid bones of ground sloths, however, suggest that G. robustum may have been able to protrude its tongue to a greater degree than many other sloths, allowing it to ...

Sloth Crossing is the newest exhibit at the Jacksonville Zoo and Gardens. The zoo is home to a pair of sloths, Chata and Ruth. The new exhibit will be in the zoo's Play Park area. Two sloths ...