The Lincoln Park Zoo announced Wednesday that it was offering a "slow and sleepy welcome" to its newest animal resident.

Visitors to the Bioparc zoo near Malaga were treated to a rare spectacle of nature as a two-toed sloth gave birth in dramatic, high-altitude fashion. A female sloth named Reina delivered a healthy cub ...

Add Yahoo as a preferred source to see more of our stories on Google. Actress Hayden Panettiere passes away at 36 The Central Florida Zoo and Botanical Garden has introduced two of the eight sloths ...

Three-toed sloth mating calls are often described as high-pitched screams or shrill whistles. These calls travel long distances through dense rainforest canopy, alerting any solitary males. Two-toed ...

Female sloths keep their courtship simple. When they're ready to mate, they let out a loud, unmistakable call that carries across the trees. It's a sharp burst of sound that breaks the usual stillness ...