National Geographic provides information about black bears, including size, life expectancy, territory, reproduction and behavior. There is also an audio file that features sounds made by a black bear. More » Pets & Animals Mammals Bears

The black bear is formally known as the American Black Bear, because it is native to North America. The black bear is medium in size, and is the most widely distributed species of bear in North America. Black bears are o... More » Pets & Animals Mammals Bears

The primary way black bears defend themselves is by avoiding danger. When they cannot avoid danger, their first response is to climb a tree. Black bears are remarkable climbers and the only bear species in North America ... More »

Adult male black bears can weigh between 150 and 600 pounds, and adult females usually weigh between 90 and 300 pounds. Newborn cubs weigh about 8 to 12 ounces. More »

Some grizzly bears and black bears are able to climb trees. Because of this, it is not wise for someone trying to escape from a bear to climb a tree. More »

Many black bears and grizzly bears can climb trees, especially if they see a person climbing a tree to get away from them. The most common bears that climb trees are female bears who think humans are a threat to their yo... More »

Spirit bears, which are North American black bears with recessive genes that turn some bears white, eat mainly vegetation such as grasses, fruit, berries and nuts, as well as the shoots and buds from trees and other plan... More »