The male deer has one diagonal, and the female deer has no horns. Deer family is a family of mammals under Artiodactyla. They are horned ruminants of different sizes, distributed in Eurasia, Japan, the Philippines, Indonesia, North America, the regions north of 40 degrees south latitude in South America and southwest Africa. There are about 34 species in 16 genera and 52 species in the world. Appearance features: sunken eye socket and facial gland; Podate gland; No gallbladder. The body length is 0.75 to 2, 90 meters, and the weight is 9 to 800 kilograms. Gastric 4 chambers, anti
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