* Size: Grizzlies are typically larger than brown bears, with adults weighing between 200 and 790 kg (440 and 1,740 lb) and standing 2.1 to 2.4 m (6 ft 11 in to 7 ft 10 in) tall at the shoulder.
* Hump: Grizzlies have a pronounced hump on their shoulders that is covered in long hair.
* Claws: Grizzly bears have long, curved claws that are used for digging, climbing trees, and catching prey.
* Facial Profile: Grizzlies have a concave facial profile, with a nose that is higher than their eyes.
* Ears: Grizzly bears have small, rounded ears.
Brown Bear:
* Size: Brown bears are typically smaller than grizzlies, with adults weighing between 150 and 550 kg (330 and 1,210 lb) and standing 2 to 2.3 m (6 ft 7 in to 7 ft 7 in) tall at the shoulder.
* Hump: Brown bears have a less pronounced hump on their shoulders than grizzlies, and it is often covered in shorter hair.
* Claws: Brown bears have shorter, straighter claws than grizzlies.
* Facial Profile: Brown bears have a straight facial profile, with a nose that is in line with their eyes.
* Ears: Brown bears have larger, more pointed ears than grizzlies.
Additional Differences:
* Fur Color: Grizzlies typically have a light brown, reddish-brown, or blond coat, while brown bears can be a variety of colors, including black, brown, cinnamon, and blond.
* Habitat: Grizzlies are found in mountainous regions of the western North America and Canada, while brown bears are found in a variety of habitats, including forests, mountains, and tundra in the northern hemisphere.
* Diet: Grizzlies are omnivores and their diet includes berries, roots, nuts, fish, and small mammals, while brown bears are also omnivores, but they eat more fish than grizzlies.
It is important to note that these are general differences between grizzly and brown bears, and there can be some variation within each species. If you are not sure what kind of bear you are looking at, it is always best to err on the side of caution and give the bear plenty of space.