Article: Evidence of dual breeding ranges for the Sedge Wren in the Central Great Plains.

Although the breeding range of the Sedge Wren (Cistothorus platensis) includes much of the midwestern and northeastern United States (AOU 1983), it is apparently common and widespread only in the upper midwest, e.g., Minnesota (Janssen 1987) and Wisconsin (Robbing 1991). In much of the remainder of their breeding range in the United States, Sedge Wrens are rather rare, local, and erratic in occurrence. The breeding status of the Sedge Wren is an enigma as there are few or no nest records in many areas, combined with peculiar mid- to late-summer arrival dates. Such is the case in Alabama (Imhof 1962), Arkansas (James and Neal 1986), Kansas (Thompson and Ely 1992), Kentucky ...

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