There are 4 types of bears in Alaska
The Black Bear, The Brown Bear (which are located on the coast as opposed to the Grizzly which is more inland and is a sub species of the Brown Bear) The Polar Bear, and the Kodiak Brown Bear which is only located on Kodiak Island so it is its own species. Black bears also come in 6 colors (black, cinnamon (brown), blonde, white, glacier blue and purple (so black it has a purple hue). Brown bears and grizzlies come in 3 colors (brown, blonde, spirit bear which is very very blonde) They also come in a silver back phase. Polar bears are generally white.