GAMBEL'S WHITE-CROWNED SPARROW 1337 



Field, British Columbia, intergrades with Z. I. oriantha near the 

 United States-Canada border; north in Alberta (Banff Park, Jasper 

 and Grimshaw) northeast to Saskatchewan (Fond-du-lac and Reindeer 

 Lake). 



Winter range. — Winters from southern British Columbia (Comox, 

 Okanagan Landing), southeastern Washington (Cheney, Pullman, 

 Snake River Canyon), southern Idaho (Heyburn), central Wyoming 

 (Tkermopolis), north central and southern Colorado (Mesa County, 

 Boulder County, Pueblo County), northern and eastern Kansas 

 (Wallace, Manhattan, Lawrence), western Oklahoma (Roger Mills 

 County, Comanche County); west to the coast; south to southern 

 Baja California (San Jose del Cabo), to the islands of Las Tres Marias, 

 east of Nayarit (Las Varas), Aquascalientes (6 miles southwest of 

 Aquascalientes), San Luis Potosi (San Luis Potosi), north to northern 

 Tamaulipas (Nuevo Laredo, Matamoros), and to southern and 

 central Texas (Brownsville, Boerne, Concho County). 



Casual records. — Casual in migration or in winter in southern 

 Ontario (Toronto), southern Wisconsin (Madison), Michigan (Jack- 

 son County; Huron Mountain, Marquette County; Whitefish Point), 

 New York (Ithaca), Illinois (Waukegan; Newton, Jasper County), 

 Ohio (Leetonia, Columbiana County; Waterville Township, Lucas 

 County; Fairfield County), Maryland (Patuxent Research Refuge 

 near Bowie), Virginia (Blacks; Lexington) Tennessee (Nashville), 

 South Carolina (Mount Pleasant), Georgia (Tipton), and Alaska 

 (Barrow), and British Columbia (Okanagan Landing). 



Accidental in Alaska on Pribilof Islands (St. Paul Island), and 

 Little Diomede Island (Ignalook Village); on Bank's Island (Sack's 

 Harbour); District of Franklin; and in Japan (Honshu). 



Migration. — Early dates of spring arrival are: Alberta — 60 miles 

 north of Edmonton, May 4. British Columbia — Pentincton, Lake 

 Okanagan, April 23. Manitoba — Churchill, June 8. Mackenzie — 

 Fort Enterprise, approximately 150 miles north of Great Slave Lake, 

 May 26: Fort Providence on Great Slave Lake, May 9. Yukon — 

 Forty-mile (lat. 64), May 10; La Pierre House, May 25. Alaska — 

 Kodiak Island, before May 23; Mountain Village, May 7; Nome, May 

 29; Kowak delta, May 21; College, May 4 (2 years record). 



Late dates of spring departure are: Aguasc alien tes — 6 miles south- 

 west of Aguascalientes, March 1. Durango — 12 miles west of Lerdo, 

 one specimen, March 1. Baja California — San Fernando; islands off- 

 shore: Los Coronados, Cedros, San Benito, April 29. Sonora — Guay- 

 mas, April 24. Coahuila — Boquillas wash in the Sierra del Carmen, 

 April 27. Texas — Marathon, Brewster County, May 6; Pine Springs 

 Camp in the Guadalupe Mountains, May 3. Oklahoma — Cheyenne, 

 May 13; Indiahoma, May 8. Arizona — Tucson valley area, May 13; 



646-737— 68— pt. 3 7 



