64 PACIFIC COAST AVIFAUNA No. 11 
Status—Common winter visitant to valleys and marsh lands throughout the 
state. Remains through the summer locally in the Modoe region and at various 
points west of the desert divide east and south of the humid coast belt. Recorded 
(many instanees) as nesting in the San Joaquin Valley, and south through the 
San Diegan district to the vicinity of San Diego (J. G. Cooper, Proc. U. S. Nat. 
Mus., 1, 1880, p. 251). 
188 (332) Accipiter velox (Wilson) 
SHARP-SHINNED Hawk 
Synonyms—Astur fuscus; Nisus fuscus; Accipiter fuscus; Accipiter velox 
rufilatus. 
Status—Common winter visitant throughout the state below the Boreal zone. 
Remains through the summer sparingly in Transition; recorded south in the 
coast belt as far as Carmel River, Monterey County, nesting (J. Grinnell, MS), 
and through the Sierras and mountains of southern California to the San Ber- 
nardino Mountains ( Willett, Pac. Coast Avif. no. 7, 1912, p. 46), and even prob- 
ably the San Jacinto Mountains (J. Grinnell and Swarth, Univ. Calif. Publ. 
Zool., x, 1913, p. 235). 
i189 (333) Accipiter cooperi (Bonaparte) 
Cooper Hawk 
Synonyms—Astur cooperi; Nisus cooperi; Nisus cooperi var. mexicanus; 
Accipiter mexicanus; Accipiter cooperi mexicanus; Mexican Hawk. 
Status—Common resident locally below the Boreal zone, almost throughout 
the state. Many breeding records, south to Escondido, San Diego County 
(Sharp, Condor, 1x, 1907, p. 86) and the valley of the Colorado River above 
Yuma (J. Grinnell, Univ. Calif. Publ. Zool., xm, 1914, p. 124). Recorded also 
from Santa Cruz Island (Howell and Van Rossem, Condor, xm, 1911, p. 209). 
Nests in both the valleys and mountains, in the latter up to 6500 feet altitude. 
The species breeds through three life zones: Lower and Upper Sonoran, and 
Transition. 
190 (334a) Astur atricapillus striatulus Ridgway 
WESTERN GOSHAWK 
Synonyms—Accipiter atricapillus striatulus; Astur atricapillus; Astur pal- 
umbarius var. striatulus; American Goshawk. 
Status—Rare in summer in the Boreal zone on the Warner Mountains (Mus. 
Vert. Zool.), Mount Shasta (Townsend, Proc. U. S. Nat. Mus., x, 1887, p. 201), the 
Sierra Nevada south to Kaweah River, Tulare County (A. K. Fisher, N. Amer. 
Fauna no. 7, 1893, p. 37), and on the northern coast ranges south to Mount San- 
hedrin, Mendocino County (Stone, Proc. Acad. Nat. Sci. Phila., 1904, p. 580). 
Occurs more widely but not commonly through northern California in winter; 
recorded southwest of the Sierras to Paicines, San Benito County (J. and J. W. 
Mailliard, Condor, m1, 1901, p. 122), and even to West Rialto, San Bernardino 
County (Grey, Condor, xv, 1913, p. 129). 
