Migration & timing
Ruddy Duck in Maryland
There aren't yet enough observations of Ruddy Duck in Maryland to describe its timing with confidence.
Sighting 5 observations in Maryland
Check back as more observations come in, or explore Ruddy Duck across North America.
Ruddy Duck elsewhere
More birds in Maryland
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.