Migration & timing
Barn Swallow in Maryland
There aren't yet enough observations of Barn Swallow in Maryland to describe its timing with confidence.
Sighting 18 observations in Maryland
Check back as more observations come in, or explore Barn Swallow across North America.
Barn Swallow elsewhere
More birds in Maryland
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.