Description
The American lion is an extinct animal that originated in North America and is believed to have colonized northwestern South America as part of the Great American Interchange. (However, it has been suggested that the fossil remains found in Peru may actually correspond to large jaguars.) The head-body length of the American lion is estimated to have been 1.6β2.5 m (5 ft 3 inβ8 ft 2 in) and it would have stood 1.2 metres (4 ft) at the shoulder. Thus it was smaller than its contemporary competitor for prey, the giant short-faced bear, which was the largest carnivoran of North America at the time. The American lion was not as heavily built as the saber-toothed cat Smilodon populator, which may have weighed up to 360β470 kilograms (790β1,000 lb). Sorkin (2008) estimated the American lion to weigh roughly 420 kilograms (930 lb), but new estimations show a top weight of 351 kg (774 lb) for the largest specimen and an average weight for males of 256 kg (563 lb).
Approximately one hundred specimens of American lions have been recovered from the La Brea Tar Pits, in Los Angeles, so their body structure is well known. The features and teeth of the extinct American lion strongly resemble modern lions, but they were considerably larger. The American lion is believed to be the largest subspecies of lion.
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