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毒蛇和其他蛇类多分布于亚热带和热带地区,温带某些地区也有毒蛇分布,例如苏联的西伯利亚、朝鲜、我国东北、华北许多地区就有蝮蛇(别名草上飞,七寸子、土公蛇)。而且这种毒蛇也广为分布在我国华中、华南和西南地区。可见我国蝮蛇分布很广,但是广东省却没有发现这种毒蛇。我国全国范围内,目前已知的蛇类约有165种,将其亚种计算在内,接近200种之多,其中毒蛇约占四分之一,多分布于南方诸省。我国产有的近50种毒蛇中,具有剧毒且危害最大的约有12种,分属以下各科。
Serpents and other snakes are mostly found in subtropics and tropics. There are also venomous snakes distributed in some areas in the temperate zone. For example, in the Soviet Union, Siberia, North Korea, northeastern China and northern China have viper (alias grass flying, seven inches, snake). And this snake is also widely distributed in central China, South China and Southwest China. Visible snake snake is widely distributed in our country, but Guangdong Province did not find this snake. At present, there are about 165 species of snakes known in the whole country nationwide. Their subspecies count nearly 200 species, of which serpents account for about one quarter and are distributed in southern provinces. Nearly 50 species of poisonous snakes in our country are poisonous and harmful, with about 12 species belonging to the following subjects.