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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Ondatra zibethicus
Common Muskrat, Muskbeaver, Muskrat
Apostle Islands National Lakeshore
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Unknown

Scientific Name with Authority:		Ondatra zibethicus (Linnaeus, 1766)
Park Preferred Common Name(s):
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Animalia, Phylum Chordata, Subphylum Vertebrata, Subclass Theria, Order Rodentia, Suborder Myomorpha, Family Cricetidae, Genus Ondatra, Species Ondatra zibethicus


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		WI: S5
Evidence:		1 Observations, 0 Vouchers, 3 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Agate Fossil Beds National Monument	Alagnak Wild River
Anacostia Park	Antietam National Battlefield
Arches National Park	Assateague Island National Seashore
Aztec Ruins National Monument	Badlands National Park
Bandelier National Monument	Bent's Old Fort National Historic Site
Bering Land Bridge National Preserve	Big Hole National Battlefield
Big South Fork National River and Recreation Area	Bighorn Canyon National Recreation Area
Blue Ridge Parkway	Bluestone National Scenic River
Booker T. Washington National Monument	Boston Harbor Islands National Recreation Area
Buffalo National River	Canyonlands National Park
Cape Cod National Seashore	Cape Hatteras National Seashore
Cape Krusenstern National Monument	Cape Lookout National Seashore
Capitol Reef National Park	Catoctin Mountain Park
Chattahoochee River National Recreation Area	Chesapeake and Ohio Canal National Historical Park
Chickamauga and Chattanooga National Military Park	City Of Rocks National Reserve
Colonial National Historical Park	Crater Lake National Park
Cumberland Gap National Historical Park	Curecanti National Recreation Area
Cuyahoga Valley National Park	Delaware Water Gap National Recreation Area
Denali National Park and Preserve	Devils Tower National Monument
Dinosaur National Monument	Ebey's Landing National Historical Reserve
Effigy Mounds National Monument	Florissant Fossil Beds National Monument
Fort Circle Parks	Fort Donelson National Battlefield
Fort Laramie National Historic Site	Fort Vancouver National Historic Site
Friendship Hill National Historic Site	Gates of the Arctic National Park and Preserve
Gateway National Recreation Area	George Washington Birthplace National Monument
George Washington Carver National Monument	George Washington Memorial Parkway
Gettysburg National Military Park	Gila Cliff Dwellings National Monument
Glacier National Park	Golden Gate National Recreation Area
Golden Spike National Historical Park	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	Harpers Ferry National Historical Park
Herbert Hoover National Historic Site	Homestead National Historical Park
Hopewell Culture National Historical Park	Horseshoe Bend National Military Park
Hot Springs National Park	Indiana Dunes National Park
Isle Royale National Park	Jean Lafitte National Historical Park and Preserve
John Day Fossil Beds National Monument	Katahdin Woods and Waters National Monument
Katmai National Park and Preserve	Kenai Fjords National Park
Kenilworth Park and Aquatic Gardens	Kings Mountain National Military Park
Knife River Indian Villages National Historic Site	Kobuk Valley National Park
Lake Clark National Park and Preserve	Lake Mead National Recreation Area
Lake Roosevelt National Recreation Area	Lassen Volcanic National Park
Lewis and Clark National Historical Park	Lincoln Boyhood National Memorial
Mammoth Cave National Park	Manassas National Battlefield Park
Marsh-Billings-Rockefeller National Historical Park	Martin Van Buren National Historic Site
Mesa Verde National Park	Minute Man National Historical Park
Mississippi National River and Recreation Areas	Missouri National Recreational River
Monocacy National Battlefield	Montezuma Castle National Monument
Natchez Trace Parkway	National Capital Parks-East
National Mall and Memorial Parks	New River Gorge National Park and Preserve
Nez Perce National Historical Park	Niobrara National Scenic River
Noatak National Preserve	North Cascades National Park
Obed Wild and Scenic River	Ocmulgee Mounds National Historical Park
Olympic National Park	Ozark National Scenic Riverways
Pecos National Historical Park	Pictured Rocks National Lakeshore
Pipestone National Monument	Piscataway Park
Point Reyes National Seashore	Redwood National Park
Rock Creek Park	Rocky Mountain National Park
Saint Croix National Scenic Riverway	Saint-Gaudens National Historical Park
Saratoga National Historical Park	Scotts Bluff National Monument
Shenandoah National Park	Shiloh National Military Park
Sleeping Bear Dunes National Lakeshore	Stones River National Battlefield
Suitland Parkway	Tallgrass Prairie National Preserve
Theodore Roosevelt National Park	Tonto National Monument
Upper Delaware Scenic and Recreational River	Valles Caldera National Preserve
Valley Forge National Historical Park	Voyageurs National Park
Whitman Mission National Historic Site	Wilson's Creek National Battlefield
Wind Cave National Park	Wrangell - St Elias National Park and Preserve
Yellowstone National Park	Yucca House National Monument
Yukon-Charley Rivers National Preserve	Zion National Park


Last Modified Date:	7/19/2005

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 11/4/2025 5:02:07 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	11/4/2025 5:02:07 AM

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