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