HAWKS, EAGLES, KITES: ZONE-TAILED HAWK 165 
webs of quills distinctly spotted with white, huffy, or yellowish brown. Adults: 
Upperparts dark brown, head and neck rusty, with dark shaft streaks; shoulders 
reddish brown; quills and tail feathers black , banded with white; underparts rusty or 
rich reddish brown; marked posteriorly with white; bill black, cere, legs and feet 
yellow. Young: Underparts with dark brown prevailing, transversely streaked 
on sides and abdomen; huffy or ochraceous spots on quills much reduced. 
Range. —Transition and Sonoran Zones from southern British Columbia, 
Oregon, California, and Nevada south to Mexico, and Lower California. Casual in 
Arizona and New Mexico. 
State Records, —A specimen of the Red-bellied Hawk was taken by Moll- 
hausen, November 17, 1853, at a camp on the Little Colorado; and Dr. Henry 
reported seeing the Red-shouldered, which was probably this subspecies, at Fort 
Thorn in the winter of 1856-1857.—W. W. Cooke. 
General Habits. —In California the Red-bellied Hawk is found 
nesting in oaks, sycamores, and cottonwoods. Its call is given by 
Major Bendire as “a shrill yee-ak, yee-ak ', uttered rapidly and in a 
high key” (1892, p. 228). 
Additional Literature.—Sharp, C. S., Condor, VIII, 144-148, 1906. 
ZONE-TAILED HAWK: Buteo albonotatus albonotatus Kaup 
Plate 9 
Description. — Male: Length 18.5-19.6 inches, wing 15-15.6, tail 8.5-9.1, 
bill .7r.8, tarsus 2.4-2.7. Four quills cut out on inner webs. Female: Length 
20.8-21.5 inches, wing 16.5-17.4, tail 9-10.7, bill .9-1, tarsus 2.7-2.S. Adults: Black 
or blackish brown, feathers 
pure white at base; tail with 
three broad lighter zones; “iris 
dark brown, bill horn color, 
blackish at tip, corners of 
mouth and base of bill pale 
lemon yellow, cere, legs and 
feet empire yellow” (from 
Fuertes painting); bill bluish. 
Young: Tail dark grayish 
brown instead of black, inner 
webs sometimes entirely 
white; crossed by numerous 
black narrow oblique lines. 
Range. —Lower Sonoran 
Zone in Arizona, New Mexico, 
and southwestern Texas 
south through Mexico, Lower 
California, and Central Amer¬ 
ica to Venezuela and British 
Guiana; casual in southern 
California. 
State Records. —Eggs of the Zone-tailed Hawk were found May 28, 1876, in 
the canyon of the Gila River 20 miles above the Arizona line (Stephens). A few 
individuals stayed in Grant County near Apache during the entire summer of 1886 
(Anthony), and in the summer of 1892 one was taken June 1 in the San Luis Moun- 
Frorn a field sketch by L. A. Fuertes in 1901 
Fig. 26. Zone-tailed Hawk from Below 
