COOPEE S HAWK. 



41 



DESCRIPTION. 



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

 wing rnore than 8.80 inches (223""") and less than 12 inches (SOS"'™). 



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 witk 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 (686 

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

 inches (197 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. 



TaMe aliowi/ng the results of examinations of 133 stomachs of Cooper's JBCawh 

 (Accipiter cooperi). 



