Yes, sloths have poor hearing and eyesight, and they're slow —the slowest mammal on Earth. But their lethargy is an energy-saving strategy; despite the inability to outrun threats, sloths have ...

The sloth family tree once sported a dizzying array of branches, body sizes and lifestyles, from small and limber tree climbers to lumbering bear-sized landlubbers. Why sloth body size was once so ...

The researchers then took this evolutionary history, which covered a span of 35 million years, and added information about each sloth’s habitat, diet and lifestyle. They also studied trends in ...

Before listing animals with masks, it is important to know just what a mask is. A mask is not simply dark circles around the eyes; otherwise, the giant panda, with its famous black eye patches, would ...

A sloth has had pioneering dental surgery to cure toothache. Rico is believed to be the first sloth to undergo such an operation, which was carried out by a team at Chester Zoo working alongside ...

Rico is believed to be the first sloth to undergo such an operation, which was carried out by a team at Chester Zoo working alongside dental experts from Newcastle University.

A DAD’S “pink eye” turned out to be a killer infection that left him looking like “Sloth from The Goonies”. Jordan Niles woke up with a sore right eye in late March. B… ...

A 6-year-old, two-toed sloth unexpectedly went into labor in her zoo exhibit in front of zoo goers on Wednesday, April 2 Charna Flam is a writer-reporter at PEOPLE. She has been working at PEOPLE ...

Although cute to look at, WSDOT crews had to remove “Slothy” from a 90-foot tree. This stuffed sloth, “Slothy,” was taken down from a tree over I-5. (Photo courtesy of WSDOT) ...

Como Park Zoo & Conservatory in St. Paul announced its 6-year-old Hoffman’s two-toed sloth, Sago, gave birth in her exhibit on April 2 in the middle of a normal day at the zoo.

Surprise! Sloth gives birth at Como Zoo in front of unsuspecting visitors Sago - a Hoffmann's two-toed sloth - delivered her little critter on Wednesday while on exhibit in the zoo's primate building.

Two sloths living at the Jacksonville Zoo and Gardens have a new home with the opening of Sloth Crossing, the zoo's new habitat for Ruth, a 7-year-old female Linnaeus’s two-toed sloth, and Chata ...