Chlidonias hybrida, a species of tern in the family Laridae.

Sterna forsteri, is a seabird of the family Laridae.

Onychoprion anaethetus, is a seabird of the family Laridae.

plural of commic tern

(birdwatching) A tern that is either a common tern, Sterna hirundo, or an arctic tern, Sterna paradisaea.

plural of sooty tern

Thalasseus bengalensis, syn. Sterna bengalensis, a seabird of the tern family.

plural of lesser crested tern

A medium-sized tern, Gelochelidon nilotica, family Laridae, with a thick stout black bill, found in marshy and coastal habitats throughout the temperate and tropic zones worldwide.

Chlidonias leucopterus, a species of tern in the family Laridae.