Sloths appear to have life figured out, and once the details are revealed, being envious makes sense. These tree-dwelling ...

Credit: flickr Sloths can rotate their heads up to 270 degrees thanks to extra neck vertebrae. That’s more than most other similar species and even humans. This flexibility enables them to stay alert ...

The Tulsa Zoo is home to thousands of animals, but some of the most popular residents may be harder to spot during a visit. Sloths spend much of their day hanging in trees, conserving energy and ...