Black bears give birth every other year. One to four cubs in the winter den. Male black bears average weight is about 350 pounds, but they can weigh as much as 600 pounds. The average female weighs about 200 pounds. Bears living in the wild will live into their teens.
Black bears are solitary creatures.
Except for mom bear with the cubs or during the breeding season, which is in June. They do not typically display aggressive behavior, even when confronted. Their first response is to flee. Black bears rarely attack or defend themselves against humans. There is no record of a black bear attacking and killing a human in New Jersey.