Migration & timing
American Tree Sparrow in Wisconsin
There aren't yet enough observations of American Tree Sparrow in Wisconsin to describe its timing with confidence.
Sighting 11 observations in Wisconsin
Check back as more observations come in, or explore American Tree Sparrow across North America.
American Tree Sparrow elsewhere
More birds in Wisconsin
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.