[Verginius Rufus]

Horses first appeared in North America so they are an exotic species in Eurasia and Africa. I don’t know when they managed to get from North America to Asia.

[piasa]

Camels,too.

[marktwain]

Horses first appeared in North America so they are an exotic species in Eurasia and Africa. I don’t know when they managed to get from North America to Asia.

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Ancient ancestors of horses first appeared in North America.

There were no modern horses in North America until Europeans introduced them.

https://www.amnh.org/exhibitions/horse/the-evolution-of-horses