American Black Bear

The American black bear is a medium-sized bear native to North America. It is the continent's smallest and most widely distributed bear species. American black bears are omnivores, with their diets varying greatly depending on season and location. The black bear has poor eyesight, but it has an excellent sense of hearing and a keen sense of smell.

here's the answers to your question

1.where do black bears live in US? The American black bear's range covers most of the North American continent. They are found in Alaska, much of Canada and the contiguous United States, and extend as far south as northern Mexico. Because of their versatile diet, black bears can live in a variety of habitat types.

2.are black bears aggresive? For instance, they are more likely than black bears to defend themselves when threatened. A black bear's first line of defence is retreat, but grizzlies, especially sows with cubs, can be very aggressive towards other bears and people they perceive as threats.