Looking for: Are there grizzly bears in north america Click here to ENTER - Are there grizzly bears in north america Taxonomy: While there has been much confusion about the taxonomy of brown bears Ursus arctostaxonomists agree there are at least two subspecies in North America — the grizzly bear U. There is confusion about whether to consider others, like U. The Kodiak bear has lived separately on Kodiak, Afognak, and Shuyak Islands in southwestern Alaska for thousands of years with no interbreeding grizzlly other populations. However, there is no such geographic demarcation between the coastal U. There is a continuum of difference between the larger coastal brown bears and the interior individuals that are generally called grizzly bears. Coastal bars bears have a greater amount of animal protein in their diet, achieve larger size, and have thers differences in coloration. At any point from the coast to the interior there is interbreeding between ...