One of the greatest changes in recent times 近年来 最大的变化之一
so they use their barbels to sense the movements of their victims. 它们依靠触须来探测猎物的动静
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
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
of the very thing that has led to the pigeon's success... 鸽子在城市得以成功生存的法宝
Here, in Albi, in the south of France, 在法国南部的阿尔比
the pigeons come to the river to bathe. 鸽群飞到河边沐浴
Pigeons are by far the most successful urban bird. 鸽子是目前最成功的城市鸟类