Channel Islands of California
The Columbian mammoth (Mammuthus columbii) produced a separate, isolated population at the end of the Pleistocene. One of these isolated groups was formed on the Channel Islands of California, most likely about 40,000 years ago (although the time of isolation is not fully known). Selective forces on the Channel Islands resulted in smaller animals, forming a new species, the Pygmy Mammoth Mammuthus exilis. Channel Islands mammoths ranged from 150–190 cm in shoulder height.
Read more about this topic: Dwarf Elephant
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