Check out this amazing video of grizzly and black bears interacting, from visitor Anthony James! Normally agreeable when food is abundant, grizzly and black bears run into one another more often when food is scarce—like early summer. While grizzly bears are larger and typically stronger than black bears, this black bear displays its powerful exit strategy: climbing! The short, sharp claws of the black bear are ideal for tree climbing. The grizzly's longer, duller claws are great for digging, but