2. Polar bear: The polar bear, also known as the white bear, is the largest individual among bears. It is huge, with a body length of more than 2.5 meters, a shoulder height of 1.6 meters when walking and a weight of half a ton. The largest polar bear can weigh up to 900 kilograms.
3. Brown bear: Brown bear, with an elongation of 3.25m, an upright body length of 2.7m, a shoulder height of1.50m, a male weight of180-500kg, a female weight of 90-270kg, an average life span of 30 years, a sexual maturity of 4-6 years, a hair length of about 6cm, and a large seasonal variation in coat color.
4. Lion: The lion is the only cat of both sexes. Lions are huge. The male lion can reach 180cm in length and 190 kg in weight, while the female lion also has 160cm and 130 kg in weight.
5. Black bear: Black bear can only be considered as medium in size, and the height from head to trunk is about 120- 180cm. The female bear is relatively small, about half that of the male bear.
6. lioness: the lion is the only hermaphrodite cat. Lions are huge. The male lion can reach 180cm in length and 190 kg in weight, while the female lion also has 160cm and 130 kg in weight.