Updated Sep 29
Pictured: Necedah Refuge · typical peak lookWisconsinspring migration
When does spring bird migration peak in Wisconsin?
Spring bird migration usually peaks from February to June.
Updated Sep 29.
Places by state
Wisconsin
- Necedah RefugeSeason over
Local timing: with May
- Trempealeau RefugeSeason over
Local timing: late April or early May
Official reports
Dated and linked
- Sep 29Park ServiceSeasonal calendar: waterfowl and cranes return mid-March, warblers arrive with May, Karner blue butterflies, fall waterfowl peakSource (opens U.S. Fish and Wildlife Service, Necedah NWR: Species (Seasons of Wildlife) in a new tab)
- Sep 29Park ServiceDirections, fees, restrooms, observation areas, trails with birding highlights, hoursSource (opens U.S. Fish and Wildlife Service, Necedah NWR: Visit Us in a new tab)
- Sep 29Park ServiceWarbler timing, spring waterfowl on the main pool, Prairie’s Edge Tour Loop, trails, pets, restrooms and hoursSource (opens U.S. Fish and Wildlife Service, Trempealeau NWR: Visit Us in a new tab)
Show all 4
- Sep 29Park ServiceSeasons of wildlife, the black tern colony (mid-June flocks at the observation deck) and nesting sandhill cranesSource (opens U.S. Fish and Wildlife Service, Trempealeau NWR: Species (Seasons of Wildlife) in a new tab)
Questions people ask
Where can I see spring migration in Wisconsin?
We track 2 places: Necedah Refuge (its season: May 1–31) and Trempealeau Refuge (its season: Apr 20–May 10).
How do you track spring migration?
Each place moves through 4 stages: Birds arriving, Numbers building, Peak numbers and Birds moving on. Every stage we show comes from a dated report with its source, and every forecast lists its sources.