LC
Western Gull Larus occidentalis



References

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.

Further resources

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

Media resources

Recommended citation
BirdLife International (2022) Species factsheet: Larus occidentalis. Downloaded from http://www.birdlife.org on 27/06/2022. Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 27/06/2022.