2010 kodiak bear 1

Evolution of Grizzly Bears

  • 20 BCE

    Ursavus Elmensis - 20M years ago

    Ursavus Elmensis - 20M years ago
    The ursavus elmensis is the first bear species that evolved from dog like ancestors. They show carnassial teeth with larger molars for more chewing area which is seen in most bear species nowadays.
  • 5

    Ursus minimus - 5.3M years ago

    Ursus minimus - 5.3M years ago
    They lived during the Pliocene era. Lived for 3.5 million years. A small bear that has similarities with the modern American Black Bear.
  • 300

    Ursus Etruscus (300,000 years ago)

    Ursus Etruscus (300,000 years ago)
    These were the common ancestors of the brown bears. It has a similar size and body structure to an Asian Black Bear. They eventually became the same size as an European brown bear.