Migration & timing
Gadwall in Wisconsin
There aren't yet enough observations of Gadwall in Wisconsin to describe its timing with confidence.
Sighting 3 observations in Wisconsin
Check back as more observations come in, or explore Gadwall across North America.
Gadwall elsewhere
More birds in Wisconsin
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.