Any of several tropical sea birds of the genus Sula, resembling and related to the gannets.

鲣鸟任一种属于鲣鸟属的热带海鸟，类似鲱鸟，且与其有关。

youdao

The gannets are oceanic birds. Many sea birds spend most of their lives traveling on the oceans, only in the breeding seasons will they ground to complete their life cycles.

尖鸟为海洋性的鸟类，许多海鸟的一生大部分的时间都是遨游于碧波大海之上，唯有繁殖期才会飞回陆地，完成生命的循环。

youdao

Gannets are denizens of the open ocean.

塘鹅是栖息于大海的动物。

《柯林斯英汉双解大词典》

He said the study showed gannets were travelling further and further to collect food and were seen to be following fishing boats.

BBC: Les Etac gannetry

Flamingos and pelicans feed in the deeper water, and African penguins and gannets breed on the offshore islands.

BBC: South Africa's Western Cape: The secret coast

Overhead, gulls and gannets ride the thermals or roost in noisy colonies on the cliff faces.

BBC: The perfect trip: Brittany and Normandy