There are many cute endangered species, and sadly their charm endangers them even more, like these 25 cutest animals that are ...

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 ...

Defecating exposes sloths to predators on the jungle floor. An unexpected ally benefits, and returns the favor. A brown-throated three-toed sloth peers over a tree's buttress root while defecating on ...

Why three-toed sloths risk their lives to help moths Why three-toed sloths risk their lives to help moths Looking for a truly remote, off-the-grid adventure? Try Panama. Looking for a truly remote, ...

Sloths appear to have life figured out, and once the details are revealed, being envious makes sense. These tree-dwelling mammals have survived for millions of years by doing things their own way, and ...

The researchers found that three-toed sloths can harbor more phoretic moths than their two-toed counterparts because of greater concentrations of inorganic nitrogen and higher algal biomass in their ...

Sally, a seven-year-old Linne's Two-Toed sloth, is easing into her new home after a near 250-mile journey up the A1 from her old abode. The animal arrived at Northumberland Zoo near Morpeth two weeks ...

Montgomery, G. Gene and Sunquist, M. E. 1972. "Resting respiration rates of free-living three-toed sloths." Mammalia, 36, (3) 530–532.

When it comes to slow motion, some creatures have truly perfected the art of moving at a crawl. Among the top contenders are the three-toed sloth, the Galápagos tortoise, and the banana slug, each ...

Footage of one of STRI's Bocas del Toro Research Station's resident sloths climbing the trees at the Station. The star of this video is a female Three-toed sloth (Bradypus variegatus). Video by: J.P.

Linne's two-toed sloths only come down from the trees once a week to poo Sally, a seven-year-old Linne's Two-Toed sloth, is easing into her new home after a near 250-mile journey up the A1 from her ...