Depending on the species and the location, black and grizzly bears often prefer different habitats, although both species can and do overlap.
Linkages between forestry practices, ungulate abundance, and the habitat use and performance of grizzly bear in and adjacent to woodland caribou habitat - fRI Research
Study finds warming climate may improve North Cascades grizzly bear habitat
Bear, Types, Habitat, & Facts
Reclaiming their range: Scientists predict expansion of US grizzly bear habitat, State
Black Bear Biology & Behavior - Western Wildlife Outreach
Brown bear - Wikipedia
Brown bear, Diet, Habitat, & Facts
Adopt a Grizzly Bear Plush & Certificate Gift Kits
A place to call home – Times-Standard
Bear Habitat
Brown bear - Wikipedia