A large, grey cuckoo, Scythrops novaehollandiae, of Indonesia, New Guinea and northeastern Australia,

Alternative form of channel-billed cuckoo.

A large auk, Uria lomvia.

Chroicocephalus genei, a mid-sized gull which breeds very locally around the Mediterranean and the north of the western Indian Ocean.

Larus delawarensis, a medium-sized gull of temperate North America.

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.

Alternative form of small, unmarked bills

Alternative form of small, unmarked bills

plural of gull-billed tern

(simile) Very much single; having no romantic involvement with anybody else.