"Civilized" 1st world americans

[Peterski]

Yes. New World received much plagues from europe through ships....

Rats, pigeons, snails, prairie dogs, boar...
From Africa: mosquitoes, scorpions, lizards

Native animals lost their position on food chain

I think prairie dogs are native to America?

[Rumata]

After reading the comments section under the video I conclude there is something seriously wrong with them.

Yes. And they removed all negative comments.