- Their lack of fear.
它们已丧失的恐惧感 - As the pigeons bathe, oil from their plumage flows downstream,
鸽子洗澡时 羽毛上的油脂顺流而下 - and is detected.
被捕食者察觉 - A monstrous Wels catfish.
一条巨大的六须鲶鱼 - Introduced here just 40 years ago,
虽然才被引入此地四十年 - they have proliferated. Virtually exterminated the local fish stocks...
繁殖数量却已大大增长 几乎迫使本地鱼类灭绝 - And they've now developed a taste for pigeon.
现在它们将猎食对象转向了鸽子
A monstrous Wels catfish. 一条巨大的六须鲶鱼
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