Andean Gull
Chroicocephalus serranus
The Andean Gull (Chroicocephalus serranus) is a uncommon skimmers, noddies, terns, and gull found in 6 countries. The Andean gull is a species in subfamily Larinae of the family Laridae, the gulls, terns, and skimmers.










About the Andean Gull
The Andean gull is a species in subfamily Larinae of the family Laridae, the gulls, terns, and skimmers. It is found in Argentina, Bolivia, Chile, Colombia, Ecuador, and Peru.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
How to identify it
The Andean gull is 42 to 48 cm (17 to 19 in) long and weighs about 480 g (17 oz); it is one of the larger members of its genus. The sexes are alike. Adults in breeding plumage have a glossy black hood with a white crescent behind the eye and a mostly white body with a gray back and sometimes a pink flush on the underparts. Their tail is white. The upper side of their wing is mostly gray with an alternating white-black-white-black pattern on the primaries. The underside of their wing is pale gray with a blackish outer half but for large white "mirrors" on the three outermost primaries. Voice: The Andean gull's vocalizations include "agitated, sometimes tremulous "yeeer" calls" and "a hoarse "raggh-aggh-keeaagh" and other low raspy notes."
What the Andean Gull sounds like
Where it lives
When to see it
The Andean Gull can be seen all year round, with peak activity in October. It is a resident species across most of its range.
Easily confused with
Quick questions
- How do you identify an Andean Gull?
- The Andean gull is 42 to 48 cm (17 to 19 in) long and weighs about 480 g (17 oz); it is one of the larger members of its genus. Full identification notes are on this page.
- Where can you see an Andean Gull?
- The Andean Gull occurs in 6 countries, including Peru, Ecuador, Chile, Argentina and Bolivia.
- What does an Andean Gull sound like?
- You can listen to a field recording of the Andean Gull on this page, contributed to xeno-canto under open licences.
- What birds look similar to an Andean Gull?
- The Andean Gull is most easily confused with the Hartlaub's Gull, the Brown-headed Gull and the Black-billed Gull.
- Is the Andean Gull endangered?
- The Andean Gull is listed as Least Concern on the IUCN Red List.
Learn the Andean Gull for real
BeakBrain drills you on photos and calls until you can greet this bird by name in the field. Free to play, on any device.
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