COOPER S HAWK. 



41 



DESCRIPTION. 



Tail more than two-thirds as long as wing, its tip decidedly rounded ; 

 Aving more than 8.80 inches (223 mm ) and less than 12 inches (SOS™ 111 ). 



Adult. — Uniform bluish-gray above, top of head blackish; tail crossed 

 by several blackish bands; below white, with breast and sides barred 

 with dusky or rufous. 



Immature. — Dusky above, more or less spotted with lighter, feathers 

 with rusty edges; below whitish, streaked with brown or dusky. 



Length: 14 to 20 inches (355 to 508 mt »); extent, 27 to 32 inches (6S6 

 to 812' 11111 ); wing, 8.85 to 11 inches (223 to 280 mm ); tail, 7.80 to 10.50 

 inches (197 to 267 n,m ). 



This species closely resembles the Sharp-shinned Hawk, but may be 

 distinguished by its larger size and the fact that the end of the tail is 

 rounded instead of straight or slightly notched. 



Table showing the results of examinations of 133 stomachs of Cooper's Hawlc 

 (Accipiter cooperi). 



Locality. 



Do 

 Do 

 Do 

 Do 

 Do 

 Do 

 Do 

 Do 

 Do 



Chester County, Pa . 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Hew Castle Co.. Del. 



WillistoB, Pa 



East Bradford, Pa . . . 



East Goshen, Pa 



West Chester, Pa.... 



Poeopson. Pa 



West Chester, Pa . . . 

 Sandy Spring. Md. . . 



Gainesville. Fla 



Sandy Spring. Md-. . 



Do 



Do 



Date. 



Taunton, Mass 



Do 



River Vale. >.'. J 



Washington, D. C - - 

 SingSing,N.Y .... 



Do 



Greenshoro. Ala 



Do 



Do 



Do 



Do 



Do 



Do 



Wethersfield, Conn 1 



East Hartford. Conn .. 

 Sandy Spring, Md ! 



Do 



Sept. 21, 

 Oct. 6, 

 Sept. 18, 

 Xov. 28. 

 Sept. 7, 

 Xov. 18, 

 Oct, 28, 

 Mar. 6, 

 July — , 

 Aug. 4. 

 Aug. 30. 

 Sept. 13. 

 Sept. 27. 

 Sept, 9, 

 July 31. 

 Jan. 14, 

 Mar. 1, 

 Apr. 22, 

 May 7. 

 May 25. 

 Sept. 14, 

 Sept, 21, 

 Xov. 24. 

 Dec. 26, 

 Jan. 30. 

 Feb. 11. 



1885 

 1885 

 1886 

 1886 

 1880 

 1884 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1887 

 1>» 

 1888 



Poultry 



or game 



birds. 



Other birds. Mammals. 



Miscellaneous. 



Che-wink 

 do 









Chicken ; 





...do 













Jo. ::;::::::::::::::::: 





do 



Pigeon. 



Quail 



Chicken 

 ...do .... 



Song sparrow. 



Quail 

 ...do . 



Purple grackle . 



East Hartford, Conn. 



Xov. 

 Xov. 

 Dec. 

 Jan. 

 Jan. 

 Feb. 

 Feb. 

 Mar. 

 Dec. 

 Xov. 

 Dec. 

 Mav 

 May 

 Aug. 



^vOV. 



Sept, 

 Mar. 

 Dec. 

 Mar. 

 Apr. 

 Apr. 



13, 1886 

 27. 1886 



17. 1886 



10. 1887 



17. 1887 

 1, 1887 



20, 18S7 



3. 1887 

 6. 1878 

 1. 1878 

 6. 1878 



25. 1875 

 20, 1877 



25. 1876 

 12. 1S79 

 10, 1880 



17. 1888 



22. 1887 



24. 1888 



2. 1888 

 26, 1888 



.J Jim co. savanna 

 sparrow. 



Chicken . 



Small bird. 



Chicken 



Small bird. 

 Small bird. 



Meadow lark. 

 Small bird . . . 



Poultry . 



Poultry. 



Sept. 19, 1887 



I 2 young 

 1 chickens 



Small bird 



English sparrow 



English sparrow 

 Sparrow 



Song sparrow. 

 1 flicker 



Mice. 



1 grass-hopper. 



Empty. 



Do. 

 Sand lizar 

 Empty. , 



Do. 



Do. 



Do. 

 Do. 

 Do. 



Do. 



Frog. 

 Beetles. 



Empty. 

 Do. 



Do. 



