This small, nondescript sparrow is still a reasonably common sparrow on grasslands across Iowa. It tends to inhabit areas with fairly sparse vegetation such as pastures rather than the thicker hayfields and prairies favored by some other grassland species. It is most easily detected by listening for its insect-like song (which gives the bird its name). However, the high pitch of that song eludes detection by some people and the song doesn’t carry long distances, adding to the problems of finding the bird. The bird itself, a flat-headed sparrow with a fairly large bill, usually is perched on a fence wire or at the top of a plant that is taller than surrounding vegetation. Grasshopper Sparrow populations seem to be declining throughout their range but the reasons for these declines are not known. Proper management of Iowa’s grasslands would seem to be a key to maintaining populations of this species in the state.
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indicates a designated IBA.