"Grey-headed gull"@en . . . . . . "The grey-headed gull (Chroicocephalus cirrocephalus), also known as the grey-hooded gull, is a small gull which breeds patchily in South America and Africa south of the Sahara. It is not truly migratory, but is more widespread in winter. This species has occurred as a rare vagrant to North America and Spain."@en . "IUCN3.1" . . . . . "LC" . "Larus cirrocephalus" . .