The distribution and status of this species is somewhat of a mystery. It apparently never was very common in Iowa but during the early and mid 1900s, it seemed to be found fairly often, mainly in eastern Iowa. By the late 1900s, the reports were largely confined to eastern Iowa and especially southeastern Iowa. There a pair was reported consistently from a site in Lee County and occasionally elsewhere. This same pattern has been true elsewhere in eastern United States where the species has essentially disappeared from east of the Mississippi River. No one is really sure of why this has happened. West of the Great Plains, Bewick’s Wren is still fairly common and populations seem to be doing well.
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indicates a designated IBA.