SOUTHERN SWAMP SPARROW 1487 



Breeding range. — The southern swamp sparrow breeds from eastern 

 South Dakota (Yankton), central Minnesota, northern Wisconsin 

 (Herbster, Outer Island), northern Michigan (Isle Royale), southern 

 Ontario (Biscotasing, Eganville), southern Quebec (Kamouraska), 

 northern New Brunswick (Miscou Island), Prince Edward Island, 

 and Nova Scotia (Sydney) south to eastern Nebraska (Neligh), 

 northern Missouri (St. Charles County), northern Illinois (Philo), 

 northern Indiana (Crawfordsville, Richmond), south-central Ohio 

 (Circleville), south-central West Virginia (Fayette and Greenbrier 

 counties), western Maryland (Accident; Allegany County), south- 

 eastern Pennsylvania (intergrades with M. g. nigrescens; Delaware 

 County), and southern New Jersey (intergrades; Salem, Cape May). 



Winter range. — Winters from eastern Nebraska, central Iowa (Sioux 

 City), southern Wisconsin (Madison), southern Michigan (Grand 

 Haven, Ann Arbor), southern Ontario (Toronto), central New York 

 (Rochester, Schenectady), and Massachusetts (Danvers) south to 

 southern Texas (Del Rio), southern Louisiana (New Orleans), southern 

 Mississippi (Gulfport), southern Alabama (Petit Bois Island, Orange 

 Beach), and southern Florida (Aucilla River, Cape Sable); casually 

 north to New Brunswick (Sackville). 



Casual records. — Accidental in California (Niland) and Bermuda. 



Migration. — (The data treat of the species as a whole.) Early dates 

 of spring arrival are: Virginia — Blacksburg, March 21. West Virginia 

 — Avalon, April 8. District of Columbia — March 9 (averages of 

 29 years, March 31). Maryland — Laurel, March 16. Pennsylvania 

 — Meadville, March 23; State College, March 28 (average, April 15). 

 New Jersey — Cape May, March 14. New York — Nassau County, 

 March 23; Tompkins County, March 29. Connecticut — Portland, 

 March 14. Rhode Island — Providence, March 10. New Hampshire 

 — Concord, April 12; New Hampton, April 14 (median April 20). 

 Maine — Bangor, March 20. Quebec — Montreal area, April 13 

 (median of 7 years, April 20). New Brunswick — St. John, April 

 6. Kentucky — Bowling Green, April 5. Illinois — Urbana, February 

 23 (median of 20 years, March 19); Chicago, February 26 (average 

 of 16 years, March 27); Rantoul, March 5. Ohio — Buckeye Lake, 

 March 17 (median of 40 years for central Ohio, April 1). Michigan — 

 Battle Creek, March 23 (median of 34 years, April 6). Ontario — 

 London, March 29. Iowa — Sioux City, April 12 (median of 38 years, 

 May 1). Wisconsin — Madison, April 14. Minnesota — Minneapolis- 

 St. Paul, March 12 (average of 27 years for southern Minnesota, 

 April 6). Oklahoma — Okmulgee and Tulsa counties, March 20. 

 Nebraska — Neligh, March 24. South Dakota — Sioux Falls, April 23. 

 North Dakota — Cass County, April 13 (average, April 19) . Manitoba 

 — Margaret, April 9; Treesbank, April 9 (average of 11 years, May 1). 



