TOM MCHUGH / SCIENCE PHOTO LIBRARY TOM MCHUGH / SCIENCE PHOTO LIBRARY
Saber-toothed cat. Illustration showing a saber- toothed cat, genus Smilodon, with its cub. This powerful carnivore was close to the size of a large modern tiger, and lived in North and South America during the Upper Pleistocene (about one million years ago). The upper canine teeth of this cat were vast in size, sharp, and shaped like backward-curving daggers. Its skeleton was robust, and it had retractable claws. It was capable of hunting down even the large elephant-like animals of the Pleistocene.
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