Migration & timing
Harlequin Duck in Ontario
There aren't yet enough observations of Harlequin Duck in Ontario to describe its timing with confidence.
Sighting 11 observations in Ontario
Check back as more observations come in, or explore Harlequin Duck across North America.
Harlequin Duck elsewhere
More birds in Ontario
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.