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Ground sloths were extinct mammals that were part of a group that also included sloths, anteaters, glyptodonts, and armadillos. This group experienced significant evolutionary success in South America during the Cenozoic Era. The largest of these ground sloths was Megatherium, which was roughly the size of a modern elephant. These animals possessed large claws and teeth adapted for eating leaves from trees and bushes. Ground sloths made a brief appearance in North America during the Pleistocene Epoch, a period when a land bridge connected the Americas.1

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2 Britannica Sources
  1. Megatherium
  2. sloth

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