BIRDS OF NORTH AMERICA. ' 685 
Habitat, the whole continent. Nests in high trees. Eggs, five, dull 
white, blotched with brown. Male, 203. Female, 24, 
Falco borealis, Rich. § Swain. F. B. ‘A. ii, 50. Mutt. i, 102. Aud. i, 265, and 
vy. 378. — Faleo leverianus, Wilsou, vi. 78. — Buteo borealis, Aud. Syn. p. 6; 
plate 51. 
SUBGENUS ELANUS, Sue. 
20. Falco dispar, Temm.— Black-shouldered Hawk. 
Ash gray above ; head, tail, and lower parts, white, with a large bluish 
black patch on the wing above, end a smaller oue beneath ; feet, orange 
yellow. Male, 14, 40. “Female, Wj, 414. Habitat, Southern States and 
Texas. \ 
Falco dispar, Aud. iv. 3075; plte: 
Syn. p. 313 App. p. 485. — Lbint 
32,— Falco melanopterus, Bonap. Am. Orn. it. ; 
nipar, Aud, Syn. p. 13. 
SUBGENUS ICTINLA, Vierllot. 
. 21. Falco plumbea, Gmel. — Mississippi Kite, Wilson, p. 241. 
Habitat, Southern States. Nests in high trees. Eggs, three, light 
green, blotched with deep chocolate brown, globular. 
Falco Mississippiensis, Jfr/sun, iii. 80.— Falco plumbeus, Bonap. Syn. p. 90. 
Aud. ii. 108, and v. 374; plate 117, —Ictinia plumbea, Aud. Syn. p, 14. 
SUBGENUS NAUCLERUS, Vig. 
2. Falco furcatus, Linn. — Swallow-tailed Hawk, Wilson, p. 447. 
Habitat, Texas and the Southern States. Nests in the high trees. 
Eggs, greenish white, with brown blotches. ; 
Falco fureatus, Wilson, vi. 70. Bonop. Syn. p. 31. Aud. i. 368, and v. 371; plate 
72. — Nauclerus fureatus, Jud. Syu. p. 14. 
SUBGENUS ASTUR, Cuv. 
23. Falco palumbarius, Linn. — Goshawk, Wilson, p. 453. 
Habitat, northern parts of the continent. Nests in trees. Eggs, three, 
bluish white and spotted with reddish brown. ; 
Falco palumbarius, Bonap. Syn. p. 28. Awl. ii. 2415 plates 141 and 36. — Falco 
atricapillus, Mutt. i. 85. — Accipiter palumbarius, Rich. § Swain. ii. 39.— Astur 
palumbarius, 4ud. Sym p. 18. 
24. Falco Cooperi, Bonap. — Cooper’s Hawk. 
Plumage, bluish gray; tail, with broad blackish bands, tipped with 
white. Male, 20, 36. Female, 22, 38. Nests in tops of trees. Eggs, 
three, globular, dull white. Habitat, southern part of United States; 
Columbia River. 
Falco Cooperii, Bonap. Syn. App. p. 433.— Falco Stanleii, Aud. ii. 245; i. 186; 
plates 36 and 141.— Astur Cooperi, 4ud. Syn. p. 18. 
25. Falco Fuscus, Gmel. — Sharp-shinned Hawk, Wilson, pp. 4004, 407. 
Habitat, the whole continent; migratory. 
Falco Pennsylvanicus, Jilson, vi. 18.— Palco velox, Wilson, vi. 116. Bonap. Syn. 
p. Nutt. i. 87.— Falco fuscus, Bunap. Syn. App. p. 433. Aud, iv. 522; plate 
a Accipiter Pennsylvanicus, Rich. § Swain. ii. 44.— Astur fuscus, Aud. Syn. 
p. 18. - 
SUBGENUS CIRCUS, Bechst. 
26. Falco cyaneus, Linn. — Common Harrier, Wilson, p. 445. 
Se 
3 
~~ 
i 
if 
~$ 
