BALTIMORE ORIOLE 267 



Island, Lake Nipissing), southern Quebec (Montreal, Blue Sea Lake), 

 central Maine (Avon, Dover-Foxcroft), central New Brunswick 

 (Woodstock, Saint John), and central Nova Scotia (Berwick); south 

 through southern Alberta (Midnapore, Brooks) , southern Saskatchewan 

 (Sovereign, Lake Johnstone), northwestern and central North Dakota 

 (Charlson, Tokio, Bismark), central South Dakota (Faulkton, White 

 River), Nebraska, central Kansas (Stockton, Pratt), and west-central 

 Oklahoma (Woodward, Minco) to northeastern Texas (Marshall), 

 northwestern, central, and southeastern Louisiana (Shreveport, New 

 Orleans), central Mississippi (Jacksoxi, Waverly), northern Alabama 

 (formerly), north-ceutral Georgia (Atlanta, Washington), western 

 South Carolina (Greenville), western North Carolina (Asheville, 

 Boone), central Virginia (Bedford, Charlottesville), northern Mary- 

 land (Baltimore), and Delaware. Has bred in northeastern Colorado 

 (Dry Willow Creek). Hybridizes extensively with /. bullockii in 

 western Oklahoma and western Nebraska. 



Winter range. — Winters from southern Veracruz (Tres Zapotes, 

 Cerro de Tuxtla) and Tabasco (San Juan Bautista), throughout 

 Central America to northern and central Colombia (Rio Jurado, 

 Chafurray, Ciicuta) and northwestern Venezuela (San Rafael, 

 Santa Barbara). Rare in Cuba during migration. Recorded oc- 

 casionally in winter, in southeastern Canada and eastern United 

 States, from Toronto, Ontario, south to Louisiana, especially since 

 about 1951. 



Casual records. — Casual in central Ontario (Chapleau), northern 

 Maine (Mount Katahdin, Presque Isle), Prince Edward Island, 

 eastern Quebec (Seven Islands), Newfoundland, and Bermuda. 



Accidental in Northern Manitoba (York Factory) and Greenland 

 (Sukkertoppen). 



Migration. — Early dates of spring arrival are: Costa Rica — El 

 General, March 15. Cuba— Havana, April 12. Florida— Volusia 

 County, March 23; Fort Myers, March 30. Alabama— Decatur, 

 April 15. Georgia — Milledgeville, April 5; Kirkwood — April 15 

 (median of 13 years, April 25). South Carolina — Spartanburg, April 

 17. North Carolina — Weaverville, April 16. Virginia — New Market, 

 April 19 (median of 25 April dates, April 25). West Virginia— Blue- 

 field, April 10. District of Columbia — April 24 (average of 43 years, 

 May 2) . Maryland — Dorchester County, April 9 ; Baltimore County, 

 April 18. Pennsylvania — Beaver, April 19 (average of 25 years, 

 April 28). New Jersey— Collingswood, April 13. New York— Long 

 Island, April 14; Altamont, April 19. Connecticut — Norwalk, 

 April 23; Portland, April 30 (median of 46 years, May 5). Rhode 

 Island— Providence, May 1. Massachusetts— Falmouth, April 18; 

 Harvard, April 22. Vermont— St. Johnsbury, April 21 ; Bennington, 



