Pelicans are large waterbirds distributed on all continents except Antarctica.

鹈鹕是分布在除南极以外所有大陆的大型水鸟。

The area's pelican population has rapidly decreased by overfishing.

该地区的塘鹅数量因过度捕杀而迅速减少。

We are doing everything we can to create a good living environment for pelicans.

我们正竭尽全力为鹈鹕创造一个良好的生存环境。

Blum flipped past an evocative sandstone carving of a child and a pelican, then admired a griffin plaque.

勃鲁姆翻过一块令人心驰神往的砂岩，上面雕刻着一个孩子和一只鹈鹕，然后欣赏着一块狮鹫饰板。

The thatched-roof Pelican Bar, planted on a sandbar, serves passing boaters and tourists on Treasure Beach.

建在沙洲上的茅草屋顶的鹈鹕酒吧，位于牙买加欠发达的南部海岸上一个低调的渔村——宝藏海滩。

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.

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。

A variety of seabirds and shorebirds inhabit the islands, including the endangered brown pelican, least tern, and piping plover.

岛上栖息着各种各样的海鸟和滨鸟，包括濒危的褐鹈鹕、最小燕鸥和笛鸻。

Please explain the use of the pelican hook.

请说明鹈鹕钩的用法。