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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Larus delawarensis
GULL, RING-BILLED, ring-billed gull
Oxon Run National Parkway
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Uncommon

Scientific Name with Authority:		Larus delawarensis Ord, 1815
Park Preferred Common Name(s):		GULL, RING-BILLED, ring-billed gull
Park Synonyms:

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


Seasonality Tags:
Resident


Threatened/Endangered Status:		SC
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		MD: S5N
Evidence:		1 Observations, 0 Vouchers, 2 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Acadia National Park	Agate Fossil Beds National Monument
Amistad National Recreation Area	Anacostia Park
Antietam National Battlefield	Apostle Islands National Lakeshore
Assateague Island National Seashore	Badlands National Park
Baltimore-Washington National Parkway	Bandelier National Monument
Big Bend National Park	Big Hole National Battlefield
Big South Fork National River and Recreation Area	Big Thicket National Preserve
Bighorn Canyon National Recreation Area	Biscayne National Park
Black Canyon of the Gunnison National Park	Blue Ridge Parkway
Bluestone National Scenic River	Boston Harbor Islands National Recreation Area
Bryce Canyon National Park	Buffalo National River
Cabrillo National Monument	Canaveral National Seashore
Canyon De Chelly National Monument	Canyonlands National Park
Cape Cod National Seashore	Cape Hatteras National Seashore
Cape Lookout National Seashore	Carlsbad Caverns National Park
Castillo De San Marcos National Monument	Catoctin Mountain Park
Channel Islands National Park	Chattahoochee River National Recreation Area
Chesapeake and Ohio Canal National Historical Park	Chickamauga and Chattanooga National Military Park
Colonial National Historical Park	Congaree National Park
Constitution Gardens	Crater Lake National Park
Craters of the Moon National Monument and Preserve	Cumberland Gap National Historical Park
Cumberland Island National Seashore	Curecanti National Recreation Area
Cuyahoga Valley National Park	Death Valley National Park
Delaware Water Gap National Recreation Area	Devils Tower National Monument
Dry Tortugas National Park	Ebey's Landing National Historical Reserve
Effigy Mounds National Monument	Eisenhower National Historic Site
El Malpais National Monument	Everglades National Park
Fire Island National Seashore	First State National Historical Park
Florissant Fossil Beds National Monument	Fort Caroline National Memorial
Fort Circle Parks	Fort Donelson National Battlefield
Fort Frederica National Monument	Fort Laramie National Historic Site
Fort Matanzas National Monument	Fort Point National Historic Site
Fort Pulaski National Monument	Fort Sumter National Historical Park
Fort Union Trading Post National Historic Site	Fort Vancouver National Historic Site
Fort Washington Park	Fossil Butte National Monument
Fredericksburg and Spotsylvania County Battlefields Memorial National Military Park	Gateway National Recreation Area
Gauley River National Recreation Area	George Washington Birthplace National Monument
George Washington Memorial Parkway	Gettysburg National Military Park
Glacier Bay National Park and Preserve	Glacier National Park
Glen Canyon National Recreation Area	Golden Gate National Recreation Area
Grand Canyon National Park	Grand Portage National Monument
Grand Teton National Park	Grant-Kohrs Ranch National Historic Site
Great Falls Park	Great Sand Dunes National Park and Preserve
Great Smoky Mountains National Park	Greenbelt Park
Guadalupe Mountains National Park	Guilford Courthouse National Military Park
Gulf Islands National Seashore	Hagerman Fossil Beds National Monument
Harmony Hall	Harpers Ferry National Historical Park
Herbert Hoover National Historic Site	Hopewell Culture National Historical Park
Hopewell Furnace National Historic Site	Horseshoe Bend National Military Park
Hubbell Trading Post National Historic Site	Indiana Dunes National Park
Isle Royale National Park	Jean Lafitte National Historical Park and Preserve
John Day Fossil Beds National Monument	Joshua Tree National Park
Kaloko-Honokohau National Historical Park	Katahdin Woods and Waters National Monument
Kenilworth Park and Aquatic Gardens	Kennesaw Mountain National Battlefield Park
Kings Mountain National Military Park	Klondike Gold Rush National Historical Park
Knife River Indian Villages National Historic Site	Lake Mead National Recreation Area
Lake Roosevelt National Recreation Area	Lassen Volcanic National Park
Lava Beds National Monument	Lincoln Boyhood National Memorial
Mammoth Cave National Park	Manassas National Battlefield Park
Mesa Verde National Park	Minute Man National Historical Park
Mississippi National River and Recreation Areas	Missouri National Recreational River
Mojave National Preserve	Monocacy National Battlefield
Morristown National Historical Park	National Capital Parks
National Capital Parks-East	National Mall and Memorial Parks
Natural Bridges National Monument	Navajo National Monument
New River Gorge National Park and Preserve	Nez Perce National Historical Park
Niobrara National Scenic River	North Cascades National Park
Ocmulgee Mounds National Historical Park	Olympic National Park
Organ Pipe Cactus National Monument	Oxon Cove Park and Oxon Hill Run
Padre Island National Seashore	Palo Alto Battlefield National Historical Park
Petersburg National Battlefield	Petrified Forest National Park
Pictured Rocks National Lakeshore	Pipe Spring National Monument
Pipestone National Monument	Piscataway Park
Point Reyes National Seashore	Presidio of San Francisco
Prince William Forest Park	Puukohola Heiau National Historic Site
Rainbow Bridge National Monument	Redwood National Park
Richmond National Battlefield Park	Rock Creek Park
Rocky Mountain National Park	Russell Cave National Monument
Sagamore Hill National Historic Site	Saint Croix National Scenic Riverway
San Antonio Missions National Historical Park	San Juan Island National Historical Park
Santa Monica Mountains National Recreation Area	Shenandoah National Park
Shiloh National Military Park	Sleeping Bear Dunes National Lakeshore
Stones River National Battlefield	Suitland Parkway
Theodore Roosevelt Island National Memorial	Thomas Stone National Historic Site
Timpanogos Cave National Monument	Timucuan Ecological and Historic Preserve
Tule Springs Fossil Beds National Monument	Tuzigoot National Monument
Valley Forge National Historical Park	Vanderbilt Mansion National Historic Site
Vicksburg National Military Park	Virgin Islands National Park
Voyageurs National Park	Whiskeytown National Recreation Area
White Sands National Park	Whitman Mission National Historic Site
Wind Cave National Park	Yellowstone National Park
Yosemite National Park	Yukon-Charley Rivers National Preserve
Zion National Park


Last Modified Date:	8/13/2003

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 9/25/2025 6:07:30 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	9/25/2025 6:07:30 PM

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