About 12,000 years ago, the species went extinct, about the same time the Eurasian cave lion did. The size of American cave lions was noteworthy; some estimations put their weight at up to 520 ...

After the Romans, the Arab empire forced the animals into a smaller habitat ... models and calculated when the Barbary lion most likely went extinct after its final observation.

But they were declared extinct in the wild in 1922, after centuries of over-exploitation and habitat destruction by humans. Some people think it might be possible to bring Barbary lions back by ...