1364 U.S. NATIONAL MUSEUM BULLETIN 23 7 part 3 



Casual records. — Casual east to Saskatchewan (Saskatoon, Regina, 

 Indian Head), Colorado (Two Buttes Reservoir), Wisconsin (Racine), 

 Illinois (Waukegan), Massachusetts (Bedford, Quincy), Pennsylvania 

 (Easton), New Jersey (Cape May), Alabama (Dauphin Island), 

 Louisiana (Grand Isle), and Texas (Orange County, Palo Duro, 

 Canutillo). 



Accidental in Japan (Honshu). 



Migration. — Early dates of spring arrival are: Illinois — Chicago, 

 April 29. Saskatchewan — Saskatoon, May 18. Colorado — Salida, 

 April 19. Utah — Shunes Creek, April 22. Nevada — Overton, March 

 31; Churchill, April 30. Oregon — Malheur Refuge, April 29. Wash- 

 ington — Lake Crescent, April 18; Everson, April 21 (median of 8 

 years, April 28). Yukon — Sheldon Lake, May 19. Alaska — Mt. 

 McKinley, May 26. Late dates of spring departure are: Arizona — ■ 

 Springerville, April 25. California — San Diego County, May 23. 

 Oregon — Malheur Refuge, May 30. Washington — Tacoma, May 25. 

 Early dates of fall arrival are: Washington — Mt. Rainier, Septem- 

 ber 2. Oregon — Klamath County, September 10. California — 

 Santa Clara County, August 31. Idaho— Moscow, September 7. 

 Arizona — Grand Canyon, October 8. Late dates of fall departure are: 

 Alaska — Wrangell, October 21. Washington — Tenino, November 26. 

 Idaho — Potlatch, October 6. Illinois — Waukegan, November 28. 

 Pennsylvania — Tinicum, November 12. Alabama — Dauphin Island, 

 November 9. 



Egg dates. — Alaska: 31 records, May 27 to June 28; 18 records, 

 June 8 to June 18. 



British Columbia: 2 records, June 19 and July 28. 



ZONOTRICHIA ALBICOLLIS (Gmelin) 



White -throated Sparrow 



PLATE 71 



Contributed by James K. Lowther * and J. Bruce Falls ** 



Habits 



The white-throated sparrow is a familiar bird in many parts of 

 North America, particularly in the northeastern United States and the 

 Canadian northland. It exhibits no subspecific variation, although it 

 is distributed widely over most of North America east of the Rocky 

 Mountains. The breeding range extends from Newfoundland west to 

 northern British Columbia, and from West Virginia, northern New 



*Dept. of Biology, Bishop's University, Lennoxville, Quebec. 

 **Dept. of Zoology, University of Toronto, Toronto, Ontario. 



