The extinction of
four species of bison (Bison antiquus, Bison latifrons, Bison occidentalis, and
Bison prices) is linked to natural
selection. Humans were almost exclusively
the near-extinction of the American bison in
At the beginning of the 19th
tens of millions of bison roamed
America. Humans slaughtered an estimated 50
bison, generally for their meat or pelts.
This practice of over-hunting the bison
reduced their population to hundreds.
Attempts to revive the American bison,
been highly successful.
Farming of bison has increased their
population to nearly 150,000. The American
bison is therefore
no longer considered an