The Migration of North American Birds 



SECOND SERIES 



V. THE SHRIKES 



Compiled by Harry C. Oberholser, Chiefly from Data in the Biological Survey 



(See Frontispiece) 



NORTHERN SHRIKE 



The Northern Shrike {Lanius horealis) breeds in Canada, north to northern 

 Ungava (Quebec), southern Keewatin, northern Mackenzie, and northwestern 

 Alaska; south to southern Alaska, central Saskatchewan, southern Ontario, and 

 southern Quebec. In the United States it is only a winter visitor, ranging as 

 far south as Virginia, Kentucky, Texas, New Mexico, Arizona, and central 

 California. 



SPRING MIGRATION 



LOCALITY 



Number 



of years' 



record 



2 

 2 



Average date of 

 spring arrival 



Earliest date of 

 spring arrival 



Godbout, Quebec 



Carlton House, Sask 



Fort Liard, Mack 



Fort Resolution, Mack 



Fort Simpson, Mack 



April 15 

 April 22 



April 4, 1885 

 April 22, 1827 

 April 2, i860 

 April 24, i860 

 April 16, 1904 



LOCALITY 



Waverly, W. Va 



Washington, D. C. . . 



Renovo, Pa 



Morristown, N. J 



New York City, N. Y 

 New Haven, Conn. . . . 



Portland, Conn 



Providence, R. I 



Boston, Mass 



Tilton, N. H 



Ellsworth, Maine 



Scotch Lake, N. B.. . . 



St. Joseph, Mo 



Chicago, 111 



Oberlin, Ohio 



Detroit, Mich 



Ottawa, Ont 



Keokuk, Iowa 



Grinnell, Iowa 



La Crosse, Wis 



Lanesboro, Minn 



Fort Snelling, Minn.. . 



Onaga, Kans 



Falls City, Neb 



Vermilion, S. D 



Number 



of years' 



record 



5 

 5 

 15 

 4 

 3 

 4 



10 



5 



7 

 7 

 6 



Average date of 

 last one observed 



February 6 

 April 4 

 February 27 



March 29 

 March 20 

 March 17 

 March 22 

 April 10 

 April I 



March 15 

 February 24 



April 14 

 March 11 

 March 23 

 March 29 

 March 25 



March 12 

 March 13 

 March 20 



Latest date of 

 last one observed 



March 20, 1904 

 February 10, 18. 

 April 15, 1900 

 March 14, 1914 

 March 19, 1906 

 April 18, 1885 

 April 4, 1873 

 April 23, 1907 

 April 8, 191 1 

 April I, 1897 

 April IS, 1913 

 April 15, 1914 

 April 7, 1896 

 April 6, 1900 

 April 3, 1899 

 March 15, 1903 

 April 18, 1908 

 April 9, 1899 

 March 31, 1885 

 March 31, 1907 

 March 31, 1893 

 April 14, 1891 

 April 19, 1891 

 March 25, 1889 

 March 28, 1889 



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