Migration & timing
Grass Wren in Wisconsin
There aren't yet enough observations of Grass Wren in Wisconsin to describe its timing with confidence.
Sighting 2 observations in Wisconsin
Check back as more observations come in, or explore Grass Wren across North America.
Grass Wren elsewhere
More birds in Wisconsin
Data: iNaturalist research-grade observations (CC0 / CC-BY), via GBIF. Excludes eBird.