[PIF]

Humans took a similar route to reach North America some 15,000 years ago

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No. Humans were already in the Americas thousand of years prior. Recent DNA studies say so - at least 36,000 ago and maybe much further back. Some other group may have used that route but they were late comers.

Beringa was much like the Russian steps today and not a "harsh" climate.

Chasmaporthetes or Hunting or Running Hyena

[central_va]

Hyenas are great Democrats. They are viscous, steal food from other predators and gang up on the strong to get their way.

[DUMBGRUNT]

Looks a lot like my old neighbor’s dog, “Harley”.

Was I glad when they moved.

[gleeaikin]

Long legs probably helpful in a snow covered area.