This taxon is Not Recognised as a species by BirdLife International.
Cramp, S.; Perrins, C. M. 1977-1994. Handbook of the birds of Europe, the Middle East and Africa. The birds of the western Palearctic. Oxford University Press, Oxford.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.html#.
Larus argentatus and L. smithsonianus (the latter including vegae and mongolicus) (del Hoyo and Collar 2014) were previously lumped as L. argentatus following Sibley and Monroe (1990, 1993).
Further web sources of information
Detailed species account from Birds in Europe: population estimates, trends and conservation status (BirdLife International 2004)
BirdLife International (2015) Species factsheet: Larus argentatus. Downloaded from http://www.birdlife.org on 04/10/2015. Recommended citation for factsheets for more than one species: BirdLife International (2015) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 04/10/2015.
This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.
To provide new information to update this factsheet or to correct any errors, please email BirdLife
To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.
Additional resources for this species
|Current IUCN Red List category||Not Recognised|
|Family||Laridae (Gulls, Terns, Skimmers)|
|Species name author||Pontoppidan, 1763|