Migration & timing
Blackpoll Warbler in Pennsylvania
There aren't yet enough observations of Blackpoll Warbler in Pennsylvania to describe its timing with confidence.
Sighting 1 observations in Pennsylvania
Check back as more observations come in, or explore Blackpoll Warbler across North America.
Blackpoll Warbler elsewhere
More birds in Pennsylvania
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.