Snakes belong to the suborder Lepidoptera Reptiles. There are other nicknames such as snake, viper, viper, viper and so on. According to species, there are synonyms such as viper, viper, python and viper. , belonging to the scaly order.
The body is slender, the limbs are degraded, and the body surface is covered with scales. Although the snake is slender, it is a vertebrate. Most of them are terrestrial, but there are also semi-arboreal, semi-aquatic and aquatic. They are distributed all over the world except Antarctica, New Zealand and Ireland. Feeding on mice, frogs, insects, etc.
At present, there are more than 3000 kinds of snakes in the world. Snakes are warm-blooded animals with a lower body temperature than humans. They are also called cold-blooded animals. When the ambient temperature is lower than 15℃, the snake will go into hibernation. Some are poisonous, but most are nontoxic. In addition, there is a "snake" in the "Zodiac".
Extended data:
The life span of snakes generally ranges from several years to twenty or thirty years. Different kinds of snakes have different life spans. Generally, the life span of small snakes is about 2 to 5 years, that of medium snakes is about 5 to 12 years, and that of big snakes is about 10 to 20 years.
According to scientists' observation and research, the life span of Agkistrodon halys and American black snakes is more than 5 years, the life span of banded snakes and silver ring snakes is about 6 years, the life span of night snakes and North American water snakes is about 7 years, and the life span of fishing snakes is about 9 years.
The life span of green mamba, cobra and king cobra can reach 15 years, the life span of whipsnake, white-headed locust and rattlesnake is 13 to 14 years, the life span of African monarch snake and Rock Python is 15 years, the life span of Indian python is 16 years, and the life span of western python is16 years.
The life span of Madagascar python and grassland rattlesnake is greater than 19, that of fish-eating viper and net python is 2 1, that of black-spotted cobra and European long-nosed viper is 22 years, that of king snake is 23 years, that of python is more than 25 years and that of black-lipped cobra is 29 years.
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