The American black bear is the smallest of the three species found in North America and they can be found in North America. Black bear are most familiar and common bear in North America. They typically live in largely forested area and are excellent tree climbers. They can also be found in swamps and mountains. This kind of bear are omnivores with their diets varying greatly depending on the season. Black bear is not particularly dangerous to human as it being only responsible for a few deaths as well as occasional property damage and livestock predation. Some people say it is dangerous to human. In my understanding yes it especially if you threatened them. Black bears are very opportunistic eaters and most of their diet consists of grasses, berries, insects and roots.
When winter time come black bear spend the season dormant in their dens feeding on body fat they had built up on eating ravenously all fall and summer time. The female black bear give birth to two or three blind helpless cubs in mind winter and nurse them in the den until spring. The babies stay with her mother for nearly two years. The population of the black bears in North America are at least 600,000 and in the United State, are estimated to be over 300,000 individuals. The behavior of the black bear is, they are extremely adaptable and show a great variation in habitat types though they are primarily found in forested areas with thick ground vegetation and abundance of nuts, fruits and livestock. The black bear weight tends to vary according to age, sex, season and health.