578 U.S. NATIONAL MUSEUM BULLETIN 23 7 tart i 



southern Tennessee (Raleigh), northeastern Georgia (Rabun County), 

 northwestern South Carolina (Anderson and Cherokee counties), 

 central North Carolina (Sampson County), and Virginia (except 

 Princess Anne County). 



Winter range. — Winters from Nebraska (Lincoln), Iowa (Sioux 

 City, Polk County), Wisconsin (Portage County), southern Michigan 

 (Washtenaw County), southern Ontario (Essex County), Pennsyl- 

 vania (Beaver, Harrisburg), southeastern New York (New York 

 City), and Massachusetts (Pleasant Valley, Belmont) south to 

 western Oklahoma (Woodward County), central southern and south- 

 eastern Texas (San Antonio, Brownsville, Galveston), the Gulf Coast, 

 and south central Florida (Basinger). 



Casual records. — Casual north to northern Ontario (Fort Severn, 

 James Bay), Quebec (Buckingham, Quebec City), New Brunswick 

 (Irishtown, Fredericton), and Nova Scotia (Northport) and west 

 to Colorado (Boulder). 



Migration. — The data apply to the species as a whole. Early 

 dates of spring arrival are: West Virginia — Bluefield, March 1. 

 District of Columbia — March 30. Maryland — Baltimore County, 

 March 8; Laurel, March 14 (median, March 25). Pennsylvania — 

 Cambridge Springs, March 4. New Jersey — Cape May, March 8. 

 New York — Prospect Park, March 23; Cayuga and Oneida Lake 

 basins, March 30 (median of 21 years, April 16). Connecticut — 

 Fairfield, April 2. Rhode Island — Charlestown, April 7. Massa- 

 chusetts — Belmont, April 13. Vermont — Burlington, April 20. New 

 Hampshire — New Hampton, April 17 (median of 21 years. May 2). 

 Maine — Auburn, May 3. Quebec — Mt. Royal, April 21. New 

 Brunswick — Irishtown, May 8. Missouri — St. Louis, March 1. 

 Illinois — Chicago, March 12 (average of 16 years, March 29). In- 

 diana — Wayne County, March 6. Ohio — Buckeye Lake, February 

 21 (median, March 8); Oberlin, March 6 (median of 19 years, March 

 17). Michigan — Battle Creek, March 13 (average of 44 years, 

 April 2). Ontario — Ottawa, April 29. Iowa — Sioux City, April 11. 

 Minnesota — Houston County, April 10 (average of 15 years for 

 southern Minnesota, April 16). Kansas — northeastern Kansas, 

 April 2. Nebraska — Falls City, March 14; Omaha, March 27; 

 Red Cloud, April 5 (average of 21 years, April 24). South Dakota — 

 Yankton, March 28. North Dakota — Cass County, May 4. Mani- 

 toba — Margaret, April 22; Treesbank, April 30 (average of 21 years, 

 May 14). Saskatchewan — McLean, April 15. Idaho — Moscow, 

 March 7. Montana — Libby, March 12 (median of 9 years, March 

 24). Oregon — Malheur National Wildlife Refuge, March 16. 



Late dates of spring departure are: Florida — Leon County, April 

 29. Georgia — Athens, April 10. Maryland — Laurel, May 13, 



