Migration & timing
Gadwall in Colorado
There aren't yet enough observations of Gadwall in Colorado to describe its timing with confidence.
Sighting 8 observations in Colorado
Check back as more observations come in, or explore Gadwall across North America.
Gadwall elsewhere
More birds in Colorado
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.