Bear Identification - Glacier Bay National Park & Preserve (U.S. National Park Service) Visit our keyboard shortcuts docs for details. This four-minute video will help you distinguish between Glacier Bay's two bear species. Glacier Bay National Park is home to brown/grizzly bears (Ursus arctos) and black bears (Ursus americanus). Black bears are found primarily in the forested regions of the lower bay, including Bartlett Cove, while brown bears live mainly in the open, recently deglaciated regions of the upper bay.