WASHINGTON— The U.S. Fish and Wildlife Service today proposed protecting the pygmy three-toed sloth under the Endangered Species Act. The proposal responds to a 2013 petition filed after officials ...

As nighttime settled over the rainforest of northeastern Peru, a “dwarf”-like mammal moved through the tree branches and began climbing across an artificial bridge. Its passage set off a nearby trail ...

Stoats are part of the weasel family, and their ancestors were much larger. But as open grasslands spread across parts of the ...

Two female sloths named Chata and Baby Ruth have, slowly, taken up residence at the Jacksonville Zoo and Gardens. Chata is a 29-year-old Hoffman’s two-toed sloth, while Baby Ruth is a 6-year-old ...