N either of two oceanic gulls of the genus Rissa, esp R. tridactyla, having a white plumage with pale grey black-tipped wings and a square-cut tail 三趾鸥
The kittiwakes return from their pelagic winter wanderings.
三趾鸥从冬季远洋漫游中归来了。
An entire group of thick-billed murres and black-legged kittiwakes were swept into the ocean when the cliff face they had nested on collapsed.
当他们落脚的悬崖发生塌崩时，整群的厚嘴默和黑腿三趾鸥就会被卷入大海。
In Scotland, there has been a fall in the breeding success of seabirds such as guillemots, puffins and kittiwakes, as warming sea temperatures affect the food chain.
在苏格兰地区，海洋温度上升影响了食物链，部分海鸟如海鸠、角嘴海雀、三趾鸥等的繁殖存活率呈现下降态势。
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