Their lives are ruled by food and sex and food and sex. Other than that, I don't think they think about anything except defending themselves, their den and offspring or their feeding territory. There are 4 genera and 7 species of bears today. The bears with which we are most familiar are the American Black Bears. They like other bears are heavily built with a very stock body and short, strong legs armed with five formidable claws on each foot.
Bears have small eyes, rounded ears, strong jaws, and short tails.
Bears use can deftly their paws to tenderly hold their young and rip open logs for insects and honey. A black bear cub, brother of the brown cub at the top of the page, cruises through our 'great room'. Although bears appear to move slowly, they are capable of great bursts of speed to catch prey or chase a rival or enemy. Bears are very powerful and need enclosures that are strong and 'bomb' proof. They need a cozy winter den for hibernation.