There have been numerous well-documented extinctions of indigenous species caused by the introduction of non-indigenous predators and pathogens.

由于引入了非本地的捕食者和病原体，已经有许多本土物种灭绝的记录，证据确凿。

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There have been numerous well-documented extinctions of indigenous species caused by the introduction of non-indigenous predators and pathogens.

由于引入了非本地的捕食者和病原体，已经有许多本土物种灭绝的记录，证据确凿。

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