Migration & timing
Lesser Scaup in Illinois
There aren't yet enough observations of Lesser Scaup in Illinois to describe its timing with confidence.
Sighting 2 observations in Illinois
Check back as more observations come in, or explore Lesser Scaup across North America.
Lesser Scaup elsewhere
More birds in Illinois
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.