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Giant Ground Sloth - Megatherium was one of the largest land mammals known, weighing up to 4 tonnes[8] and measuring up to 6 m (20 ft) in length from head to tail.[9][10] It is the largest known ground sloth, as big as modern elephants, and would have only been exceeded in its time by a few species of mammoth. The group is known primarily from its largest species, M. americanum. Megatherium species were members of the abundant Pleistocene megafauna, large mammals that lived during the…

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The Giant Ground Sloths: The giant ground sloth is believed to have weighed about 2.5 tonnes, the same as an Asian Elephant! Their fossils have been found from Patagonia to Alaska. The last ground sloths seem to have died out about 10,000 years ago. Saw this skeleton in the National Museum of Natural History in Washington DC when I was a kid. Must see!!!

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Extinct Prehistoric Animals : Giant ground sloths of this genus were about the size of today's elephants. The megatherium only went extinct around 10,000 years ago (right around the time when humans started farming), and smaller relatives may have survived as late as the 16th century!

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Smilodon attacking a giant ground sloth at the Page Museum at the La Brea Tar Pits by Dallas Krentzel, via Flickr

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Megalonyx; Ground Sloth; Late Miocene to Pleistocene, 10.3–0.011; Mammalia (Xenarthra);Described by Harlan, 1825; Artwork by MaCarl Buell?

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