Agassiz National Wildlife Refuge


Area and County

    Marshall County
    Northwest Minnesota

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61,500 acres


Brochure with road map


N48 18.037, W95 58.862

Hiking Trails



Whitetail deer by firearms, muzzleloader, and archery; Ruffed Grouse; and Sharp-tailed Grouse.

Ecological Classification Province  

Tallgrass Aspen Parklands

Ecological Classification

Lake Agassiz, Aspen Parklands


Aspen Parklands

Land Type Association(s)

Mud Lake Plain

Thief River Falls Lake Plain

Native Plant Communities1

Aspen Woodland/Forest Complex

Conifer Swamp Complex

Green Ash - Bur Oak - Elm Forest

Low Shrub Poor Fen

Northern Poor Conifer Swamp

Northwestern Rich Conifer Swamp

Poor Tamarack - Black Spruce Swamp: Tamarack Subtype

Prairie Rich Fen

Rich Fen (Prairie Seepage)

Tamarack - Black Spruce Swamp (Aspen Parkland)

Willow - Dogwood Shrub Swamp

Natural Features

Wetlands: 37,400 acres

Shrublands: 11,650 acres

Forestland: 9,900 acres

Grassland: 1,710 acres

Cropland: 150 acres



U.S. Fish & Wildlife Service

Refuge Home Page

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Agassiz National Wildlife Refuge Youth Hunt
U.S. Fish and Wildlife Service - Midwest Region


Agassiz National Wildlife Refuge in Middle River, Minn. also sponsored a mentored youth waterfowl hunt Sept. 17 & 18th, partnering with Ducks Unlimited and the MN DNR.

The Friday night event was hosted by Northwest Sporting Clays in Thief River Falls. The evening activities began with the youth hunters shooting clay targets, that were launched to simulate different flight patterns of ducks. Their mentors were there to guide them and provide shooting advice. Other activities included goose and duck calling demonstrations, along with different decoy set-ups, a duck identification presentation by a local Conservation Officer, and of course everyone was treated to burgers and all the fixings. Everyone left excited and anticipating the Sat. morning hunt.

Well before sun-up hunters manned their planned hunting locations. Hunting spots included Agassiz Refuge, Thief Lake Wildlife Management Area, and some private land. After the hunt everyone met back at Agassiz NWR headquarters to share their stories of the hunt, snap some photos and enjoy a fabulous brunch prepared and served by refuge staff. There were lots of smiles as the groups of hunters rolled in. Everyone anxious to share their stories and show off their feathered trophies. Everyone got opportunities at birds and a great time was had by all.




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  Trail of the Moose

Published on Nov 1, 2012

The Agassiz National Wildlife Refuge, northwestern Minnesota, is ideal moose country. Marlin and Stan undertake a study of these big animals.




Visitor Observations
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Twenty-one of the thirty-two bird species with conservation status in Minnesota and one tracked species have been seen here:



Horned Grebe (Podiceps auritus)

King Rail (Rallus elegans)

Loggerhead Shrike (Lanius ludovicianus)

Sprague’s Pipit (Anthus spragueii)



Common Tern (Sterna hirundo)

Wilson’s Phalarope (Phalaropus tricolor)


Special concern

Acadian Flycatcher (Empidonax virescens)

American White Pelican (Pelecanus erythrorhynchos)

Boreal Owl (Aegolius funereus)

Forster’s Tern (Sterna forsteri)

Franklin’s Gull (Leucophaeus pipixcan)

Greater Prairie-chicken (Tympanuchus cupido)

Marbled Godwit (Limosa fedoa)

Nelson’s Sparrow (Ammodramus nelsoni)

Peregrine Falcon (Falco peregrinus)

Piping Plover (Charadrius melodus)

Purple Martin (Progne subis)

Red-shouldered Hawk (Buteo lineatus)

Short-eared Owl (Asio flammeus)

Trumpeter Swan (Cygnus buccinator)

Yellow Rail (Coturnicops noveboracensis)



Bald Eagle (Haliaeetus leucocephalus)


eBird Field Checklist (Complete)

eBird Field Checklist (Farmes Pool)

eBird Field Checklist (Habitat Dr.)

eBird Field Checklist (Headquarters Trail)

eBird Field Checklist (Lansing Parker Pool)


American Coot (Fulica americana)

Bald Eagle (Haliaeetus leucocephalus)

Black-crowned Night Heron (Nycticorax nycticorax)

Double-crested Cormorant (Phalacrocorax auritus)

Eared Grebe (Podiceps nigricollis)

Franklin’s Gull (Leucophaeus pipixcan)

Osprey (Pandion haliaetus)

Pied-billed Grebe (Podilymbus podiceps)

American Coot

Bald Eagle



Fifty mammal species have been documented on the refuge, forty-nine of which are currently resident. Though not resident to the area, elk has been documented on the refuge at least once.


Six mammal species with conservation status in Minnesota have been seen here:



gray wolf (Canis lupus)


Special concern

big brown bat (Eptesicus fuscus)

elk (Cervus canadensis)

least weasel (Mustela nivalis)

little brown myotis (Myotis lucifugus)

moose (Alces americanus)


Plants frequently found in:

Green Ash - Bur Oak - Elm Forest MHw36a

Low Shrub Poor Fen APn91a

Northern Poor Conifer Swamp APn81

Northwestern Rich Conifer Swamp FPw63

Poor Tamarack - Black Spruce Swamp: Tamarack Subtype APn81b2

Prairie Rich Fen OPp91

Rich Fen (Prairie Seepage) OPp91c

Tamarack - Black Spruce Swamp (Aspen Parkland) FPw63a

Willow - Dogwood Shrub Swamp WMn82a




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