Andean Gull
NameAndean Gull
Common NameAndean Gull
Scientific NameChroicocephalus serranus
FamilyLaridae
Wingspan (cm)85
Length (cm)48
Weight (g)360
Plumage DetailsAdult breeding plumage features a glossy black head with distinct white crescent-shaped markings above and below the eye. The body is white, and the mantle and upperwings are pale grey. Primary feathers are black with prominent white mirrors near the tips. The bill and legs are dark red. Non-breeding adults have a white head with dark smudges.
Vocalization / CallVocalizations include harsh, raucous calls typical of gulls, often described as a 'kwaaa' or a series of 'kew-kew-kew' notes.
Primary Dietomnivore
Primary Habitatswetland, mountain, grassland
Conservation Statusleast-concern
Geographic RangeFound in the Andes mountains of South America, ranging from southern Colombia through Ecuador, Peru, Bolivia, northern Chile, and northwestern Argentina. It typically inhabits elevations between 2,000 and 4,500 meters.
Identifying FeaturesBlack head (breeding plumage), White eye-crescents, Dark red bill and legs, Pale grey upperparts, White body, Black primary tips with white mirrors
Description
The Andean Gull is a medium-sized gull found in the high Andes of South America. It is characterized by its striking black head in breeding plumage, contrasting with a white body and pale grey wings. This species is often seen foraging in high-altitude wetlands and lakes.
