Grizzly bears vs. black bears: what's the difference? They're both
What color is a black bear? - BearWise
Detroit Zoo says bye to black and brown bears, expands grizzly display
Bears: A Playful Look at Different Bears Across the World
Spot the Difference: How to Tell Grizzly Bears from Black Bears
Researchers find black bear living in the Santa Monica Mountains
Grizzly and Black Bear Co-occurance
Raw Predators: A Bear-Eat-Bear World. — Furbearer Conservation
What to Do If You See a Bear