m 332, Sharp-Shinned Hawk (Accipter velox). L. od, 
11.2; Q, 13.5; T. do’, 5.5; 2,7. Tail square at end. 
Ads. Above slaty gray; crown darker; below barred 
white and rusty brown. Yug. 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 cooper). L. 3, 
15.5; 2, 19; T. &, 7-7; 2,9. 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. oJ, 22; 2,24; T.o, 10; 2, 11.5. Ads. Above 
bluish slate; crown darker; a whitish line over the eye 
to the nape; below fizely 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, Illlnois, Missouri and 
Kansas; west to Oregon. 
334a. Western Goshawk (4. a. striatulus). Simi- 
Jar to No. 334, but 4d. dark plumbeous above, mark- 
ings on lower parts heavier and darker. Stripes on 
lower parts of Yxg. broader and blacker. (Ridgw.) 
Notes. A shrill scream and a frequently repeated 
keeah 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 gray; below barred slaty-gray 
and white. Yung. 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 
Hawks. 
