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34 PACIFIC COAST AVIFAUNA No. 14 



27. Mareca americana (Gmelin) 



B.VLDPATE 



A coiiiinon migrant tliroughout the state, and a summer resident in some 

 localities. Breeds abundantly along the northern border of the state (Coues, 

 1874a, p. 564), near Malta (Willett, 1907, p. 105), in Teton County (Saunders, 

 1914a, p. 128) and in Gallatin County (Saunders, 1911a, p. 32). 



In migration this species is reported from practically all localities where 

 extensive work has been done. In eastern Montana it does not appear to be very 

 common, but in the western part it is one of the most abundant migrant ducks. 

 In the Bitterroot Valley it is reported as rare in spring, and very common in 

 fall (Bailey, MS). 



Dates of migration are as follows: Terry, average spring arrival, April 8 

 (Cooke, 1906a, p. 29). Gallatin County, April 25-i\Iay 14, 1909 (Saunders, 

 1911a, p. 32), Buxton, Silver Bow County, May 7, 1910, and Anaconda, April 20- 

 May 27, 1911 (Saunders, 1912a, p. 23), Choteau, April 17, 1912, and November 



28, 1912 (Saunders,1914a, p 128), and Corvallis, February 19, 1911 (Bailey, MS). 



28. Nettion carolinense (Gmelin) 



Green-winged Teal 



A regular summer resident, breeding in suitable localities throughout the 

 state. Very abundant in migrations. A few winter in the western lialf of thf 

 state. Breeds most abundantly in northern Montana, east of the continental 

 divide. August records are common in many parts of the state, indicating either 

 breeding, or very early fall migration. 



Breeding is definitely reported in the following localities: Custer and Daw- 

 son counties (Cameron, 1907, p. 248) ; Big Horn River (McChesney, 1879, p. 

 2394) ; Fort Keogh (Thorne, 1895, p. 212) ; Milk River (Coues, 1874b, p. 650) ; 

 eastern Montana (Grinnell, 1876, p. 654) ; Teton County (Saunders, 1914a, p. 

 128) ; Bitterroot Valley (Bailey, MS). 



^rigiation dates are reported as follows: Great Falls, I^Iay 9, 1887 (Wil- 

 liams, 18S8a, p. 17) ; Terry, average, March 23 (Cooke, 1906a, p. 31) ; Buxton, 

 April 23, 1910; Anaconda, April 23, 1911, and Race Track, October 30. 1910 

 (Saunders, 1912a, p. 23) ; Choteau, April 16, 1912 (Saunders, 1914a, p. 128) ; 

 Three Forks, October 17, 1909. 



Winter records: Great Falls (Williams, 1888a, p. 17) ; Deerfield, Decem- 

 her 5, 1902 (Silloway, 1903a, p. 13); Anaconda, January 8, 1911 (Saunders, 

 1912a, p. 23) ; Choteau, December 27, 1912 (Saunders, 1914a, p. 128; and Bit- 

 terroot Valley, several in 1910 and 1911, and two males January 2, 1912 (Bailey, 

 MS). 



29. Querquedula discors (Linnaeus) 



Blue- WINGED Teal 



A wry abundant migrant, and less common as a summer resident through- 

 out the stale. Re])orted practically everywher(> and by nearly all observers in 

 mignitions. Breeding recoi-ds ai-e from the followiiui: localities: Missouri and 



