A black-backed gull found throughout much of the Southern Hemisphere; Larus dominicanus.

A gull found in the coastal areas of Australia and its surrounding islands; Chroicocephalus novaehollandiae.

A migratory gull that breeds in the Northern Hemisphere and winters in the Southern Hemisphere; Leucophaeus pipixcan.

(obsolete) A confidence trickster; a person who preys on simpletons.

An Arctic seabird species in the gull family Laridae, Pagophila eburnea.

Chroicocephalus philadelphia, a member of the gull family Laridae found mainly in northern North America.

Ichthyaetus melanocephalus, a small gull of the Western Palearctic.

Ichthyaetus ichthyaetus, a large gull.

Rhodostethia rosea, a small gull breeding in the high Arctic of northernmost North America, and northeast Siberia.

Larus glaucoides, a medium size gull which breeds in the Arctic regions of Canada and Greenland.