COOPER S HAWK. 



41 



DESCRIPTION. 



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

 wing more tlian S.SO inches (223'""') and less than 12 inches (305"""). 



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

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

 with dvisky 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"'"'); extent, 27 to 32 inches (G8G 

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

 inches (107 to 267'""'). 



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. 



TaJile Hhoiving the results of examinations of 133 stomachs of Cooper's Hawh 

 {Accipiter eooperi). 



