Migration & timing
Lesser Scaup in Colorado
There aren't yet enough observations of Lesser Scaup in Colorado to describe its timing with confidence.
Sighting 1 observations in Colorado
Check back as more observations come in, or explore Lesser Scaup across North America.
Lesser Scaup elsewhere
More birds in Colorado
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.