Wildlife refuge · Minnesota
Agassiz National Wildlife Refuge
Agassiz National Wildlife Refuge is run by the U.S. Fish and Wildlife Service. Its own timing: Canada geese and trumpeter swans typically lead the northward flight of waterfowl in late March and are followed shortly thereafter by mallards, northern pintails and a variety of diving duck species..
Agassiz National Wildlife Refuge in pictures
Illustrative photos, not current conditions

What the U.S. Fish and Wildlife Service says
“Packs of wolves, moose, waterfowl and 300 species of birds make this refuge a wildlife wonderland.”Visit official site ↗
When to go
In the source's own words; no peak claimed unless the source says so
- Phase“Canada geese and trumpeter swans typically lead the northward flight of waterfowl in late March and are followed shortly thereafter by mallards, northern pintails and a variety of diving duck species.”
- Season“July mornings showcase numerous squadrons of ducklings scattered along shorelines and areas of emergent vegetation, as well as a patchwork of molting waterfowl in open water areas.”
Before you go
When planning a trip to the refuge, it is important to wear appropriate footwear for hiking and to dress for the weather.
Agassiz National Wildlife Refuge on the map
With the places we follow within 60 miles
- Rydell RefugeLocal timing: April and May
- Agassiz National Wildlife Refuge
Nearby
Within 60 straight-line miles; roads are longer
- Rydell RefugeSpring migrant birds · April and May · 45 mi
How we know
Every fact on this page, from these pages
- Sep 30Park ServiceOfficial FWS record for Agassiz National Wildlife Refuge (Codex round 22; saved under research/round22/points/)Source (opens U.S. Fish and Wildlife Service, Agassiz National Wildlife Refuge in a new tab)
- Sep 30Park ServiceOfficial FWS record for Agassiz National Wildlife Refuge (timing) (Codex round 22; saved under research/round22/points/)Source (opens U.S. Fish and Wildlife Service, Agassiz National Wildlife Refuge (timing) in a new tab)
- Sep 30Park ServiceOfficial FWS record for Agassiz National Wildlife Refuge (timing) (Codex round 22; saved under research/round22/points/)Source (opens U.S. Fish and Wildlife Service, Agassiz National Wildlife Refuge (timing) in a new tab)