19+ Polar Bear Evolution Pictures. The depth of this research continues because of the many elements of polar bears that we still don’t know very much about. The polar bear and brown bear lineage split during a glacial age.
Polar Bear Seminar Why Behe Is Right Evolution News from evolutionnews.org The polar bear is a member of the ursidae family and shares a common ancestor with the black and brown bear. As a family, bears are thought to have evolved some 4.6 million years ago, with the oldest polar bear fossil being between 110 and 130 thousand years old. A population of brown bears that lived along the coast became specialized for hunting seals, eventually evolving into the polar bear around 700,000 years ago.
A carnivorous predator 38,000,000 years in the making, the earliest evidence of the modern polar bear dates back roughly 110,000 years.
Unlike today’s black bears, these prehistoric black bears were as large as modern grizzlies. Many researchers believe that their evolution stems from brown bears that were isolated in arctic climates of the far north during the pleistocene, more commonly referred to as the ice age. Polar bear evolution and adaptation. With new data an international research team now documents that the separation from the brown bear into an independent species has gone very quickly.
