How do snakes survive winter?

Snakes were creatures that many people had seen before. When they saw them, they would definitely scream in fear of being bitten by them. In fact, snakes were very useful. How do snakes survive winter?

How do snakes survive winter?

Snakes hibernate in winter. Snakes are temperature-dependent animals, hibernating when the temperature drops below about 13℃. Hibernation lasts 3 months in the south, 4-6 months in the north, 7 months in Changbai Mountain Agkistrodon halys, and almost all snakes in South China do not hibernate. Snakes accumulate enough fat before hibernating and find underground burrows during hibernation. Snakes often hibernate in groups and can sleep together.

Is the snake oviparous or viviparous?

Snakes have both oviparous and oviparous eggs. For example, Python family snakes, Botaninae (7 genera and 27 species), sand python subfamily (4 genera and 14 species) are oviparous, Python subfamily (8 genera and 33 species) are oviparous. For example, island snakes, only 2 genera and 2 species, are oviparous. For example, snakes in the family Botanidae, there are 24 species of 4 genera, which are born from eggs. For example, there are only 1 genus and 2 species of snakes in the family Ophiidae, which are oviparous and lay 6-17 eggs. For example, Scrofula snake family snakes, there are 1 genus and 2 species, for egg vivipary, each time about 27 young. For example, Asian tube snake family snakes, there are 1 genus 8 species, for egg vivipary, give birth to 3-13 snakes.

Which snakes are poisonous?

Viper refers to snakes that secrete special venom. When biting people or animals, the venom flows out from the fangs to poison the bitten person or animal. There are more than 40 species of poisonous snakes in China, most of which are distributed in the vast provinces south of the Yangtze River. According to their nature, they can be divided into three categories: nerve poison, blood circulation poison and mixed poison.

Among them, Bungarus auratus, Bungarus multicinctus, sea snake, Agkistrodon acutus and so on mainly contain nerve poison. Viper, pointed snout abdomen, bamboo leaf green and so on mainly contain blood circulation poison. Cobra, king cobra, abdominal snake and so on mainly contain mixed poison.