Bison Skull - Bison prices
This ancient bison is the direct ancestor of today’s American bison and was even depicted in prehistoric cave art. In Alaska in 1979, a wonderfully preserved 36,000-year-old mummy of a male bison priscus, named Blue Babe,was found turned blue because he had been buried in a snow storm.
Pleistocene (15 thousand years old)
Southwestern Iowa