Migration & timing
Blackburnian Warbler in Maryland
There aren't yet enough observations of Blackburnian Warbler in Maryland to describe its timing with confidence.
Sighting 4 observations in Maryland
Check back as more observations come in, or explore Blackburnian Warbler across North America.
Blackburnian Warbler elsewhere
More birds in Maryland
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.