USA, 11000 BC. Panamerican ground sloth Eremotherium laurillardi , Canada, USA, Mexico, 11000 BC. Pygmy Onager Equus tau 10000 BC. Pygmy mammoth Mammuthus exilis , Channel Islands of California , USA, 10800-11300 BC. Saber-tooth cats Smilodon fatalis and Smilodon populator , North and South America, 8000 BC. Saiga antelope Saiga tatarica ,