[moose07]

If the rest of the world can make the Cow from the Aurochs, surely the Bison was convertible.
The US terrain didn't stop the ol' Prairie schooners from wandering across them Wide open spaces.
As the Horse had beaten a strategic withdrawal ,what did they drag their stuff around with?

[moose07]

Right, having now bothered to read the original article....:
Indigenous: originating or occurring naturally in a particular place; native.
The current strain of Humans are not Indigenous to North America.