Order: Charadriiformes | Family: Laridae | IUCN Status: Least Concern
Age: Adult, alternate | Sex: Unknown | Loc. Lake Junin
Age: Adult, basic | Sex: Unknown | Loc. Lima
Age: Adult, alternate | Sex: Unknown | Loc. Arequipa
Age: Juvenile | Sex: Unknown | Loc. Lima
Status: The Andean Gull is fairly common near bodies of water in the Andes where it ranges at elevations between 3000 – 4400 m. It is also a rare visitor at lagoons and estuaries along the coast of Peru. It also occurs in Ec, Bo, and Ch.
Name in Spanish: Gaviota Andina.
Sub-species: Andean Gull (Chroicocephalus serranus), Tschudi 1844.
Meaning of Name: Chroicocephalus: Gr. khroizö= color and kephalos, kephale= his head. serranus: L. originating from the Andes of South America.

References:
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- Species range based on: Schulenberg, T. S., D. F. Stotz, and L. Rico. 2006. Distribution maps of the birds of Peru, version 1.0. Environment, Culture & Conservation (ECCo). The Field Museum. http://fm2.fieldmuseum.org/uw_test/birdsofperu on 01/01/2015.