The size of bears varies a lot although most bears are medium size. The biggest bears are the Kodiak and the polar bears. An adult male can reach 10 feet tall and weigh over 1,323 pounds. The sun bear, sometimes called the Malayan bear, is the smallest bear. It is only 3 to 4 feet long and weighs only 60 to 100 pounds.
Bears have huge, hairy heads with small eyes.
Their ears are small and rounded. Bears have a very short tail. Bears have short, strong legs with large feet. Each foot have five toes. Each toe ends with a long heavy claw.