Hawks 



332. Sharp-shinned Hawk {Accipitervelox). L. cT> 

 II. 2; 2, 13-5; T. d\ 5-5; V, 7. Tail square at end. 

 /&fc. Above slaty gray; crown darker; below barred 

 white and rusty brown. Yng. Above blackish brown 

 lightly margined with rusty; below white streaked 

 with brown. Note the relatively long tail in this and 

 the two following species. Notes. Cac-cac-cac. 

 (Ralph.) 



Range.— North America; breeds throughout its range but chiefly 



northward; winters from Massachusetts and Vancouver Island south- 

 ward. 



333. Cooper Hawk {Accipiter cooperii). L. tf, 

 15.5; 9, 10; T. cf, 7-7', ?> 9- Similar in color to No. 

 332, but tail rounded; adult with crown blacker. Notes. 

 A cackling or chattering. (Bendire. ) 



Range. — North America: breeds from southern Mexico north to 

 British America; winters from Massachusetts, Lower Mississippi Val- 

 ley and Oregon southward. 



334. American Goshawk {Accipiter atricapillus) . 



L. p 7 *, 22; §, 24; T. cf , 10; 2, 11. 5. Ads. Above 

 blui>h slate; crown darker; a whitish line over the eye 

 to the nape; below finely marked with gray and white. 

 Yng. Above blackish brown, rusty and buff; below 

 buffy white streaked with blackish. 



Range.— North America; breeds chiefly north of United States; 

 winters south to New Jersey, rarely Virginia, Illinois, Missouri and 

 Kansas; west to Oregon. 



334a. Western Goshawk {A. a. striatulus). Simi- 

 lar to No. 334, but Ad. dark plumbeous above, mark- 

 ings on lower parts heavier and darker. Stripes on 

 lower parts of >'//». broader and blacker. (Ridgw.) 

 Notes. A shrill scream and a frequently repeated 

 keeab or kreeab. (Bendire.) 



Range.— "Western North America; north to Sitka, Alaska; south to 

 California: east to Idaho. Breeds in the Sierra Nevada south to 

 latitude 38°. " (A. O. U.) 



346. Mexican Goshawk (Asturina plagiata). L. 



17. Ads. Above slaty fjray; below barred slaty-gray 

 and white. Yng. Above blackish brown with rusty 

 markings, particularly on wing-coverts; longer upper 

 tail-coverts white with black spots or bars; tail brown- 

 ish with numerous black bars; below whitish with 

 large elongate spots. Notes. A peculiar piping note 

 uttered while hovering in the air. (Bendire.) 



Range. — Middle America, from Panama north, in March, to Mexican 

 border of United States. 



131 



