Bill higher and feet more robust than in the other species. Wings much rounded, the first quill four inches shorter than the fourth, which is longest, the seventh longer than the second. Chocolate-brown; wing-coverts and tibial feathers brownish-red; upper tail-coverts, base and end of tail white. _Female_, 24, wing 15-1/4. Mississippi. Extremely rare. Migratory. Louisiana Hawk, Falco Harrisii, Aud. Orn. Biog. v. v. p. 30. 6. 2. Buteo vulgaris, Willoughby. Common Buzzard. Plate CCCLXXII. Female. Upper parts chocolate-brown; primaries black toward the end, part of their inner webs white, barred with brownish-black; tail with about ten dusky bars on a reddish-brown ground, the last dark bar broader; eyelids whitish; throat white, longitudinally streaked with dusky; the rest of the lower parts yellowish or brownish-white, barred with brown. This species is subject to much variation in colour. _Female_, 23 inches, wing 17. Rocky Mountains, Columbia River, and Fur Countries. Buteo vulgaris, Common Buzzard, Rich. & Sw. F. Bor. Amer. v. ii. p. 47. Common Buzzard, Falco buteo, Aud. Orn. Biog. v. iv. p. 108. 7. 3. Buteo borealis, Gmel. Red-tailed Buzzard.--Red-tailed Hawk.--Hen Hawk. Plate LI. Fig. 1. Male. Fig. 2. Female. Male with the upper part of the head and hind neck light greyish-brown, the back and scapulars dark brown, the latter broadly margined with brownish-white; smaller wing-coverts chocolate-brown; larger, lighter, tipped with white; primary quills blackish-brown, secondaries lighter, tipped with brownish-white, all barred with blackish; upper tail-coverts whitish, barred with brown; tail bright yellowish-red, with a narrow bar of black near the end, and tipped with whitish. Lower parts yellowish-white, the fore part of the breast with linear, guttiform, or sagittate spots; feathers of the leg and tarsus pale reddish-yellow. Female similar to the male, but with the upper parts darker, the lower nearly white, there being only a few narrow streaks on the sides of the breast. Young with the upper parts brown, streaked with yellowish-red, the tail-coverts yellowish-white barred with brown, the tail light greyish-brown, barred with dark brown and tipped with white; lower parts yellowish-white, with oblong longitudinal brown spots; the feathers of the sides and tibiæ barred with the same. _Male_, 20-1/2, 46. _Female_, 24. From Texas northward to the Fur Countries, and westward to the base of the Rocky Mountains. Resident. Red-tailed Hawk, Falco borealis, Wils. Am. Orn. v. vi. p. 76. Adult. American Buzzard or White-breasted Hawk, Falco leverianus, Wils. Am. Orn. v. vi. p. 78. Buteo borealis, Red-tailed Buzzard, Swains. & Rich. F. Bor. Amer. v. ii. p. 50. Red-tailed Hawk or Buzzard, Falco borealis, Nutt. Man. v. i. p. 102. Red-tailed Hawk, Falco borealis, Aud. Orn. Biog. v. 1. p. 265; v. v. p. 378.