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Draft Environmental Assessment for Mud River Enhancement Project

The Agassiz National Wildlife Refuge is seeking public review and comments regarding a draft environmental assessment for the Mud River Enhancement Project. This project will improve migratory bird habitat and enhance natural riverine riparian riparian
Definition of riparian habitat or riparian areas.

Learn more about riparian and flood plain functions on the refuge. Public comment is open June 1 to June 30, 2026.

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Waterfowl hunting at sunset
Accepting Public Comments on Proposed Hunting and Fishing Program Changes

The FWS is seeking public review and comment on the proposed opening or expansion of hunting and/or fishing. The public is invited to review the draft documents, including draft plan(s), compatibility determination(s) as appropriate, and environmental compliance documentation. The draft documents are available through the Federal Register docket number: FWS–HQ–NWRS–2026–1223.

The comment period on the proposed hunting and sport fishing regulations across Service-managed lands and waters will stay open for 30-days from May 27 through June 26, 2026. Please submit your comments directly through the Federal Register. 

The comment period on the Environmental Assessment for actions at this field station will stay open for 30 days from May 27 through June 27, 2026. Please submit your comments via email to [email protected] with the name of the refuge or hatchery in the subject line.

Agassiz National Wildlife Refuge was established in 1937 and consists of 61,500 acres of wetland and upland habitats in northwestern Minnesota. The refuge lies in the aspen parkland transition zone between the boreal forest to the north and east and the tallgrass prairie to the south and west. 26 wetland impoundments that range in size from 30 to 9,000 acres provide a variety of habitats for both nesting and migrating birds. Two natural lakes lie within 4,000 acres of black spruce-tamarack bog that has been designated as wilderness by the National Wilderness Preservation System. In addition to being a breeding ground for numerous waterfowl and other bird species, the refuge is also noted for two resident packs of gray wolves, nesting bald eagles, occasional moose and colonial nesting birds - specifically Franklin’s gulls.

Visit Us

Agassiz National Wildlife Refuge is located in northwest Minnesota. Packs of wolves, moose, waterfowl and 300 species of birds make this refuge a wildlife wonderland.

Location and Contact Information

      Our Species

      Agassiz National Wildlife Refuge provides a haven for many wildlife species. As many as 300 species of birds use the refuge; half of which nest on the refuge. The refuge is home to 49 species of mammals, 12 species of amphibians and 9 species of reptiles.

      Get Involved

      Whether you want to further conservation, learn more about nature or share your love of the outdoors, you’ve come to the right place. National wildlife refuges provide many opportunities for you to help your community by doing what you love. National wildlife refuges partner with volunteers, youth groups, landowners, neighbors and residents of urban and coastal communities to make a lasting difference. Find out how you can help make American lands healthier and communities stronger while doing something personally satisfying.