• Summary
• Text account
• Data table and detailed info
• Distribution map
• Reference and further resources

Burger, J., Gochfeld, M. & Garcia, E.F.J. (retrieved from. 2018. Western Gull (Larus occidentalis). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions. Barcelona. Available at: https://www.hbw.com/node/53977. (Accessed: 20 August 2018).

Butcher, G. S.; Niven, D. K. 2007. Combining data from the Christmas bird count and the breeding bird survey to determine the continental status and trends of North American birds.

del Hoyo, J.; Elliott, A.; Sargatal, J. 1996. Handbook of the Birds of the World, vol. 3: Hoatzin to Auks. Lynx Edicions, Barcelona, Spain.

Search for photos and videos, and hear sounds of this species from the Macaulay Library

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Recommended citation
BirdLife International (2024) Species factsheet: Western Gull Larus occidentalis. Downloaded from https://datazone.birdlife.org/species/factsheet/western-gull-larus-occidentalis on 24/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 24/11/2024.