Perhaps it was due to the eruption of Toba.
THAT is a very good point!
Perhaps it was due to the eruption of Toba.
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Toba errupts 72,000 years ago. Megafauna extinct 50,000 years ago. One not connected to the other directly by 22,000 years. Toba might have more to do with the migtation of the Aborigines (from where ever they originated) to Austrailia.