seafowl
Noun
Meaning
a bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc.
Source: WordNetSynonyms
seabird
sea bird
puffin
auk
etc
pelecaniform seabird
oceanic bird
pelagic bird
coastal diving bird
gaviiform seabird
sphenisciform seabird
podicipitiform seabird