The common characteristics are short tail, excellent sense of smell, no contraction of five claws and long, dense and thick hair. When it was born, it was only about the size of a guinea pig and had to live with its mother for at least one year. Bears have a keen sense of smell and poor eyesight and hearing. Their teeth are used for defense and as tools. Their claws can be used to tear, dig and grab prey. Members of the Xiong family vary in size, big and small. Polar bear (540 kg), brown bear is the largest (1000/ 100 kg), followed by American black bear (about 450 kg), Asian black bear (about 150 kg), lazy bear (140 kg) and spectacles bear. The speed can reach 48KM/H, and the speed of brown bears on rugged mountain roads can reach 30KM/H? Very fast. You can't think that bears are slow. Oh, much faster than humans. Bear (English name: Bears): It is the general name of carnivorous animals in Xiong Ke. Bears are usually gentle, but when provoked or in danger, they are prone to rage and fierce fighting. Although most people think bears are dangerous animals, they are quite popular in circuses or zoos. Distributed in the northern hemisphere. In the southern hemisphere, there is no trace of it anywhere except the northern part of South America. Xiong Ke is a big family, which can be divided into four genera: lazy bear? , glasses bear, Malay bear, bear, 8 species.