当地的海鸥会贪婪地扑向这些施舍的食物，而燕鸥会继续飞行。
While local gulls will dive voraciously for such handouts, the tern flies on.
当他们让一只燕鸥或鹈鹕扔下一条鱼时，他们会一头栽到水里，然后把鱼从水面抓起来，这可能就是这只鸟被油弄脏的原因。
When they get a tern or pelican to drop a fish, they plunge down and grab it off the surface of the water, which may have been how this bird got oiled.
本地鸥会贪婪地冲向这些施舍，而北极燕鸥却会继续往前飞。
Local gulls will dive voraciously for such handouts, while the tern flies on.
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