Not if you leave them alone and keep out of their comfort zone. They can be aggressive though, if you go near the cubs and anger the mother grizzly bear. Most grizzly bear attacks occur when someone surprises the bear because they never made their presence known, the bear is protecting her cubs, or when a person does not respect a bear's space when trying to get a photo of them, hunt them or go near for some other reasons.
The least aggressive bear species is generally considered to be the American black bear.
yes
yes
A polar bear, especially a male, would be as aggressive or more as a black bear when it comes across to a prey.
The Brown bear is way bigger then the black bear. The brown bear is also more aggressive.
i think every ethnic group of bears can be aggressive and it is not based on there skin colour.
No
Very agressive. Especially if you get too close to their young.
Taking down a bear requires a large gun and big bullets. To be loaded for bear is a metaphor meaning to be going into a situation in a very aggressive manner.
The polar bear lives in the arctic where it is very cold. Polar bears are considered to be very aggressive.
Labs are even tempered. Smooth Fox Terrier
The least dangerous bear species is generally considered to be the American black bear. They are typically less aggressive and more likely to avoid confrontations with humans compared to other bear species.