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Originally Posted by Taltarzac725

Very interesting. I would guess that it would take a few cycles so to speak of global warming and cooling for various species to cross the land bridge.


How Earth’s Climate Changes Naturally (and Why Things Are Different Now) | Quanta Magazine

It's only been about 10,000 years since the last large migrations across the straits. And people still do it today, both directions. You can walk to Russia in winter, the crossings never ended just slowed way down.