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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Larus occidentalis
Western Gull
Lewis and Clark National Historical Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Common

Scientific Name with Authority:		Larus occidentalis Audubon, 1839
Park Preferred Common Name(s):		Western Gull
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Animalia, Phylum Chordata, Subphylum Vertebrata, Order Charadriiformes, Family Laridae, Genus Larus, Species Larus occidentalis


Seasonality Tags:
Resident


Threatened/Endangered Status:		SC
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		OR: S4; WA: S4B,S4N
Evidence:		22 Observations, 0 Vouchers, 11 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Cabrillo National Monument	Channel Islands National Park
Ebey's Landing National Historical Reserve	Fort Point National Historic Site
Golden Gate National Recreation Area	Olympic National Park
Padre Island National Seashore	Point Reyes National Seashore
Presidio of San Francisco	Redwood National Park
San Juan Island National Historical Park	Santa Monica Mountains National Recreation Area


Last Modified Date:	12/10/2010

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 9/26/2025 12:44:25 AM

NatureServe Global Rank and State Rank

NatureServe. 2017. NatureServe Web Service. Arlington, VA. U.S.A. Available http://services.natureserve.org. Accessed: 12/4/2017. Updated quarterly.

This information is provided by NatureServe (www.natureserve.org) and its network of natural heritage member programs, a leading source of information about rare and endangered species, and threatened ecosystems.


		Species Profile		Page 1 of 1		9/26/2025 12:44:25 AM