鲣鸟任一种属于鲣鸟属的热带海鸟，类似鲱鸟，且与其有关。

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

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鹈形目军舰鸟科五种大型海鸟。遍布于全球的热带和亚热带海滨和岛屿。

Any member of five species of large seabirds constituting the family Fregatidae, found worldwide along tropical and semitropical coasts and islands.

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