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National Park Service
U.S. Department of the Interior
NPSpecies - Park Species Profile
 
Aythya americana
Redhead
Bighorn Canyon National Recreation Area
   
Record Status: Approved
Occurrence:
Present
Nativeness:
Native
Abundance:
Uncommon
 
Scientific Name with Authority:
Aythya americana (Eyton, 1838)
Park Preferred Common Name(s):
Redhead
Park Synonyms:
 
 
Taxonomic Hierarchy:
Kingdom Animalia, Phylum Chordata, Subphylum Vertebrata, Order Anseriformes, Family Anatidae, Genus Aythya, Species Aythya americana
Seasonality Tags:
Migratory
Threatened/Endangered Status:
 
State Species of Concern Status:
 
Ozone-sensitive Status:
 
NatureServe Global Rank:
G5
NatureServe State Rank:
MT: S5B; WY: S5B,S4N
Evidence:
4 Observations, 0 Vouchers, 1 Data Store References, 0 External Links
Other Parks Where Species is Listed:
 
Agate Fossil Beds National Monument
Alagnak Wild River
Amistad National Recreation Area
Apostle Islands National Lakeshore
Arkansas Post National Memorial
Assateague Island National Seashore
Aztec Ruins National Monument
Badlands National Park
Bering Land Bridge National Preserve
Big Bend National Park
Big Thicket National Preserve
Black Canyon of the Gunnison National Park
Blue Ridge Parkway
Bluestone National Scenic River
Bryce Canyon National Park
Buffalo National River
Canaveral National Seashore
Canyon De Chelly National Monument
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Capitol Reef National Park
Carlsbad Caverns National Park
Channel Islands National Park
Chesapeake and Ohio Canal National Historical Park
Colonial National Historical Park
Crater Lake National Park
Craters of the Moon National Monument and Preserve
Cumberland Island National Seashore
Curecanti National Recreation Area
Cuyahoga Valley National Park
Death Valley National Park
Delaware Water Gap National Recreation Area
Denali National Park and Preserve
Dinosaur National Monument
Ebey's Landing National Historical Reserve
Effigy Mounds National Monument
Everglades National Park
Fire Island National Seashore
Florissant Fossil Beds National Monument
Gateway National Recreation Area
Gauley River National Recreation Area
George Washington Birthplace National Monument
George Washington Memorial Parkway
Glacier Bay National Park and Preserve
Glacier National Park
Glen Canyon National Recreation Area
Golden Gate National Recreation Area
Grand Canyon National Park
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
Gulf Islands National Seashore
Hagerman Fossil Beds National Monument
Harmony Hall
Hopewell Culture National Historical Park
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
Katmai National Park and Preserve
Klondike Gold Rush National Historical Park
Lake Clark National Park and Preserve
Lake Mead National Recreation Area
Lake Roosevelt National Recreation Area
Lava Beds National Monument
Lincoln Boyhood National Memorial
Mississippi National River and Recreation Areas
Missouri National Recreational River
Montezuma Castle National Monument
National Capital Parks-East
Natural Bridges National Monument
New River Gorge National Park and Preserve
Nez Perce National Historical Park
Ninety Six National Historic Site
Niobrara National Scenic River
North Cascades National Park
Olympic National Park
Organ Pipe Cactus National Monument
Padre Island National Seashore
Parashant National Monument
Pictured Rocks National Lakeshore
Pipestone National Monument
Piscataway Park
Point Reyes National Seashore
Redwood National Park
Rocky Mountain National Park
Sagamore Hill National Historic Site
Saint Croix National Scenic Riverway
Santa Monica Mountains National Recreation Area
Shiloh National Military Park
Sitka National Historical Park
Sleeping Bear Dunes National Lakeshore
Tallgrass Prairie National Preserve
Timucuan Ecological and Historic Preserve
Tuzigoot National Monument
Whiskeytown National Recreation Area
Whitman Mission National Historic Site
Wind Cave National Park
Wrangell - St Elias National Park and Preserve
Yellowstone National Park
Zion National Park
Last Modified Date:
9/7/2005
 
NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 9/25/2025 12:48:08 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
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