sea bird, seabird, seafowl - a bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc.

pelican - large long-winged warm-water seabird having a large bill with a distensible pouch for fish

frigate bird, man-of-war bird - long-billed warm-water seabird with wide wingspan and forked tail

gannet - large heavily built seabird with a long stout bill noted for its plunging dives for fish

cormorant, Phalacrocorax carbo - large voracious dark-colored long-necked seabird with a distensible pouch for holding fish; used in Asia to catch fish

anhinga, darter, snakebird - fish-eating bird of warm inland waters having a long flexible neck and slender sharp-pointed bill

boatswain bird, tropic bird, tropicbird - mostly white web-footed tropical seabird often found far from land