Usually if you see a bear while hiking in the mountains, you really don’t take notice whether it is a grizzly bear, brown bear or black bear. However, there are main differences between the two. A black bear’s snout is straight and longer than that of a grizzly’s. The grizzly bear has a shoulder hump unlike the brown bear that has none. The black bear’s ears stick straight up but the grizzly bear’s ears are shorter and rounder.
They are less noticeable. The grizzly bear has claws that are very profound. The front claws of the grizzly bear are quite longer at being a few inches and the black bear’s claw are shorter less than two inches. If you look at a black bear, its fur is darker.
The grizzly bear has an articulated shoulder hump, which the black bear needs. It likewise has a curved or "dished" facial profile, littler ears and considerably bigger claws than the black bear. Black bears have a flatter, "Roman-nose" profile, bigger ears, no noticeable shoulder hump and littler claws.
For example, they are more probable than black bears to shield themselves when undermined. A black bear's first line of safeguard is withdraw, yet grizzlies, particularly sows with whelps, can be exceptionally forceful towards different bears and individuals they see as threats.
Grizzly bears and brown bears are similar species (Ursus arctos), yet grizzly bears are as of now thought to be a different subspecies (U. a. horribilis). Because of a couple of morphological contrasts, Kodiak bears are likewise thought to be an unmistakable subspecies of brown bear