>A very quick list of non-native, introduced, invasive, or human created species in North America. Homo sapiens...


>I believe there were homo sapiens on this continent since humans walked upright.


Nah. Last I read we immigrated over the land bridge between Siberia and Alaska:


>While older archaeological evidence exists, 13,000 years is the date put on the oldest known human remains. This fits with the findings of DNA studies that indicate that the genetic ancestors of the Native Americans consisted of a few dozen individuals from eastern Siberia who ventured across Beringia less than 20,000 years ago.


Here's the link (https://genographic.nationalgeographic.com/land-bridge/)


Humans have been upright a lot longer than 20,000 years. (https://news.nationalgeographic.com/news/2008/03/080320-biped-ancestor.html)


S


Skillman, NJ

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