Migration & timing

Chimney Swift in Illinois

There aren't yet enough observations of Chimney Swift in Illinois to describe its timing with confidence.

Sighting 4 observations in Illinois

Check back as more observations come in, or explore Chimney Swift across North America.

Chimney Swift elsewhere

More birds in Illinois

Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.