Sloth claws are not—as in many other species—essentially long, hard fingernails, but are actually the sloth’s protruding finger bones http://www.bbc.com/earth/story/20170428-why-sloths-do-not-get-crusty-eyes-from-all-the-sleeping
Sloth claws are not—as in many other species—essentially long, hard fingernails, but are actually the sloth’s protruding finger bones http://www.bbc.com/earth/story/20170428-why-sloths-do-not-get-crusty-eyes-from-all-the-sleeping