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