Watching a sloth climbing is truly mesmerizing. The muscles that sloths use to grip and produce a pulling motion are much more prominent than those that produce a pushing movement because sloths primarily use their arms to pull themselves upwards or to pull branches towards the body. Sloth muscles are also predominantly made up of specialized slow-twitch fibers (also called type 1 muscles) and produce the slow, deliberate, and controlled movements shown by sloths. Visit our website and learn abo

2.9K views · 266 reactions | Fern shows off her impressive teeth this #SlothSunday. 殮 Sloths use their large, sharp teeth to tear leaves off branches, while their flatter teeth work to crush and grind the leaves down. 醴 You can meet (and feed!) Fern on one of our Backstage Pass tours - https://www.nashvillezoo.org/backstage | Nashville Zoo | Facebook

A three-fingered baby sloth that fell out of a tree was reunited with its mom after staff members at the Jaguar Rescue Center in Costa Rica played back a recording of the sound of its cries. | CNN