这条茂兰原矛头腹的毒性还不确定，但据杨剑焕的说法，“当地人警告我它十分危险”。

The toxicity of the new pit viper species is not yet known, but "kindly local peoples warned me that this snake is very poisonous," Yang added.

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杨剑焕和他的同事们还发现了很多被当地苗族杀掉的死蛇。苗族人认为在野外碰见蛇是非常不吉利的事情，只有马上杀掉它才能将厄运驱走。

Yang's team also found dead snakes that had been killed by people—the Miao, a local minority, believe that a snake encountered in the wild will bring bad luck unless it's killed immediately, he said.

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