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

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