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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Sternula antillarum browni
California Least Tern
Santa Monica Mountains National Recreation Area
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Uncommon

Scientific Name with Authority:		Sternula antillarum browni (Mearns, 1916)
Park Preferred Common Name(s):		California Least Tern
Park Synonyms:		Sterna antillarum browni

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


Seasonality Tags:
Breeder


Park Tags:
Habitat - Estuary/Coast
Seasonality/Breeding (birds) - Resident Breeder


Threatened/Endangered Status:		E
State Species of Concern Status:		CA: FP, SE
Ozone-sensitive Status:
NatureServe Global Rank:		G4T2T3Q
NatureServe State Rank:		CA: S2
Evidence:		1 Observations, 25 Vouchers, 1 Data Store References, 1 External Links


Other Parks Where Species is Listed:


Last Modified Date:	11/29/2017

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 9/26/2025 9:32:54 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 9:32:54 AM