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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Larus heermanni
Heermann's Gull
Olympic National Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Common

Scientific Name with Authority:		Larus heermanni Cassin, 1852
Park Preferred Common Name(s):		Heermann's Gull
Park Synonyms:

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


Seasonality Tags:
Resident


Threatened/Endangered Status:		SC
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G4
NatureServe State Rank:		WA: S5N
Evidence:		5 Observations, 2 Vouchers, 1 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Cabrillo National Monument	Channel Islands National Park
Death Valley National Park	Ebey's Landing National Historical Reserve
Fort Point National Historic Site	Golden Gate National Recreation Area
Lake Mead National Recreation Area	Organ Pipe Cactus National Monument
Point Reyes National Seashore	Presidio of San Francisco
Redwood National Park	San Juan Island National Historical Park
Santa Monica Mountains National Recreation Area	Sitka National Historical Park


Last Modified Date:	10/20/2004

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 9/26/2025 5:57:41 PM

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 5:57:41 PM