48 
ORDER X. RAPTORES—Birps or PREY 
A. Head entirely without feathers, nostrils longitudinal. . ... .Cathartide. 
A. Head fully featherd, nostrils vertical or roundish. ................. (B) 
B. Eyes lateral, not surrounded by dises of radiating feathers... . 
Uy heel x ahd PARI A Ale ae ee ene ie eee peer . Falconide. 
B. Eyes set in front, surrounded by dises of radiating feathers. . . (C) 
C.oMiddlé-ckaw; pectinate? 6. 222 ie Ae ee eee Strigide. 
C. Middle clawinot pectinate) 055°. V2 Ats See Bubonide. 
Faminy CATHARTIDA-—AmerIcaAn VULTURES 
1. A very large bird, 26 to 32 inches long, dull black, naked headed, hook 
billed; tail rounded, nostrils large and broad; skin of neck and head 
red. bas epee sit . Turkey Vulture. 
le Cua enan nies 22 7 o7 mes ones iolackeess fail square; nostrils 
small and narrow; skin of head and neck Blane nek ees Black Vulture. 
325. *Cathartes aura (Linnaeus)—TurKEY VULTURE; TURKEY BUZZARD. . 
A moderately common bird during spring,summer and fall; rare 
in winter. It has been reported as nesting in Sioux, Cherry, Frontier, 
Custer, Douglas, Lancaster, and Richardson counties—practically 
throughout the state in suitable localities. 
326. Catharista urubu (Vieillot)—Buack VuLTURE; CARRION Crow. 
The Black Vulture, which is confined chiefly to the warmer portions 
of the United States and tropical America, isknown to wander north- 
ward casually to Maine, Ohio, Illinois, and South Dakota. We have 
a single authentic record by D. H.- Talbot, who took it on Wolf 
creek. Other, but unconfirmed, reports would point to its occasion- 
ally visiting our southern borders. 
Famity FALCONIDA—Faucons, Hawks, Eacuzs, Erc. 
1. Talons or claws all of the same length, narrowed and rounded on lower 
side; wing 17 to 22 inches long; scales of the tarsus small, rounded 
SORU Rare acme Ren nt DN en ret MANE Scart Ay Aig AEG ALIVE aktouse MAL SE Ste .Osprey. 
1. Talons of graduated length, the hind one longest, the outer shortest... (2) 
2. Tarsus densely feathered all around and to the toes; wing 22 to 
29 inches: Lome shire coe. ahaa tc ee ee eae Golden Eagle. 
_2. Tarsus bare for at least one-third of its length, or if feathered ‘to 
the ‘toes; /having a. bare ‘strip behinds.) 2s we ee eee (3) 
3. Tarsus bare behind, feathered to the toes in front; length of wing, 15 to 
2D UMCHES 40:02 | See cco PhO IRE a care Can REET ea ae ee (4) 
3. Tarsus not feathered to the toes even in front; size quite variable... .. (5) 
4. Feathers of legs more or less buffy; bill small and weak. ‘ 
Lge sce) Nebo ois eee eae lel See eR aa American Rough-lesped wie 
4. Feathers of legs bright brownish red with black bars; bill much 
longer and stronger. ... ; _ Ferruginous Rough-leg. 
5. Wing over 19 inches long; adult ape vhite head, neck, and tail.Bald Eagle. 
On WADI PMU Cental Simic hes se easa a esewr ree RPE i Het teccir hme crett, Sens: (6) 
