422 BIRDS—FALCONIDZ. 
same individual is to be found at the same locality, at the same hour, 
day after day. 
The two birds of this genus are perhaps the boldest depredators of the 
family. They do not hesitate to attack chickens in the presence of their 
owners and frequently continue their visits until they have exterminated 
the young broods, often, however, paying for their audacity with their 
life. At the same time they feed largely upon small quadrupeds, snakes 
and other reptiles, and are very destructive to game. 
The nest of Cooper’s Hawk is built in trees. The eggs, from three to 
five in number, are white, sometimes blotched with yellowish-brown. 
They measure 1.94 by 1.56. | 
GENus ASTUR. Lacepede. 
Size large; tarsi feathered half way to the toes in front; other characters much like 
Accipiter. 
ASTUR ATRICAPILLUS (Wils.) Bp. 
Goshawlx. 
Falco palumbarius, KIRTLAND, Ohio Geolog. Surv., 1838, 161, 178. 
Astur atricapillus, KIRKPATRICK, Ohio Farmer, vii, 158, 139; Ohio Agric. Rep. for 1858, 349. 
BREWER, N. A. Oology, Smithsonian Contributions, ix, 1859, 17, 18, 131, pl. 5, 
(error); American Naturalist, 1, 1868, 121 (correction) —WHEATON, Ohio Agric. Rep. 
for 1860, 560; Reprint, 1861, 2; Feod of Birds, etc., Ohio Agric. Rep. for 1571, 570; 
Reprint, 1875, 10 —Covss, Birds of N. W., 1874, 339 —Lanepon, Cat. Birds ef Cin., 
1872, 12; 121. 
Astur palumbarius, var. atricapillus, LANGDON, Revised List, Journ. Cin. Soc. Nat. Hist., i, 
1879, 180; Reprint, 14. 
Falco atricapillus, W1LSON, Am. Orn., vi, 1812, 80. 
Astur atricapillus, JARDINE and SELBY, Illust., 1825. 
Falco palumbarius, BONAPARTE, Syn., 1323, 28. 
Astur palumbarius, var. atricapillus, RIDGWAY, Proc. Bost. Soc., xvi, 1874, 571, 
Adalt dark bluish-slate blackening on the head, with a white superciliary stripe; tail 
with four broad dark bars; below closely barred with white and pale-slate, and sharply 
streaked with blackish. Young dark-brown above, the feathers with pale edges, streaked 
with tawny-brown on the head and cervix; below fulvous-white with oblong brown 
markings. Female, 2 feet long; wing, 14 inches; tail, 11; male smaller. 
Habitat, British America, and the Northern half of the United States—the latter 
chiefly in winter; farthest south along the Rocky Mountains and Sierra Nevada. 
Rare winter visitor. This large and handsome Hawk, which is now 
known to breed from Northern New England northward, sometimes 
appears in considerable numbers in winter both northeast and west of 
us. In this State, however, no record of such appearance is known to 
me, only a few individuals being noted. 
