Hawks 



332. Sharp-shinned Hawk (Accipitervelox}. L. J\ 

 11.2; 9, 13-5; T. J\ 5-5; 9, 7- Tail square at end. 

 W^5. 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 (Acciptter cooperit). L. c?> 

 15.5; 9, 19; T. <3\ 7.7; 9, 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. cf, 22; 9, 24; T. cT, 10; 9, 11.5. Ads. Above 

 bluish 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 

 butfy 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 Yng. broader and blacker. (Ridgw.) 

 Notes. A shrill scream and a frequently repeated 

 keedb or kreeab. (Bendirp ) 



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 gray; 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. 



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332 



3+6 



