1, the mane is different, the male lion has a mane, and the mane is light brown, dark brown, black and so on. And the lioness has no mane.
2. Different body types, the male lion weighs 170kg to 270kg, and the body length is about 1.75m to1.9m. The female lion is smaller than the male lion, but the total length can range from 1.4m to 1.7m, and the weight is/kloc.
3. Different skulls, the lion's head is bigger than the lioness's. The length of a lion's skull is generally 35 to 38 cm, and that of a lioness is generally 28 to 32 cm.
Baidu Encyclopedia-Lion (Big Cat)