A recent health check has confirmed that pioneering surgery to cure a sloth's toothache has been successful. Amazing images captured at Chester Zoo show the moment two-toed sloth Rico willingly ...

By Jeanne Timmons Ground sloths emerged in South America tens of million years ago, eventually ranging as far north as Canada. While their modern relatives dwell in trees and top out at the size ...

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 ...

One furry creature is at the heart of sloth conservation in Costa Rica: Keysha. Sloths are notoriously hard to see and therefore can be hard to help. But one furry creature is at the heart of ...

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 ...

They actually saw a sloth giving birth. The zoo announced that the blessed event happened while a 6-year-old Hoffmann's two-toed sloth named Sago was on exhibit in the primate building.