大众了解并能够识别其所在地区的毒蛇类型。
General population in knowing and being able to identify which venomous snakes live in their area.
黑蛇一种黑色，多为无毒蛇类，如北美黑游蛇属黑蛇和食鼠黑蛇。
Any of various dark-colored, chiefly nonvenomous snakes, such as the black racer or the black rat snake of North America.
蛇科响尾蛇亚科洞蛇属极毒蛇类，遍布美洲热带各种生境，从耕地到热带森林。
Extremely venomous pit viper (genus Bothrops), found in diverse tropical American habitats, from cultivated lands to forests.
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