. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and Lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds . t 9i feet; wing 2i-3 feet; tail IJ-li feet; tarsus inches; middle toe without claw ; middle claw ; hind claw ; chord of culmen without cere about , b
. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and Lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds . t 9i feet; wing 2i-3 feet; tail IJ-li feet; tarsus inches; middle toe without claw ; middle claw ; hind claw ; chord of culmen without cere about , but whole bill about , whole head about ; cere on top nearly Young with the bill and naked parts dusky, and more or less downy; plumage without white. Nestlings ct>vered with whitish down. Pacific coast region. U. S. and southward, common. This great creature rivals the condor in size, and like it is powerful enough to destroy young or othei-Mise helpless animals, though its usual food is carrion. The nidification, as described, is like tliat of the turkey buzzard ; but the eggs are whitish, unmarked. They measure about The general habits appear to be the same as those of the turkey buzzard ; tlie flight is similar. CATHARTES. (Gr. KadapTrjs. Inthartes, a jjuritier.) Turkey Buzzards. Of medium size; body slender. Whole liead and upper part of neck naked, the plumage beginning as a. CATHABTID^: AMERICAN VULTURES. 559 circlet of ordinary feathers all around the neck; the naked skin corrugated and sparsely besetwith bristles, especially a patch before the eye. Bill long, moderately stout and hooked, thenostrils large, ellijitieal, completely pervious, the cere contracted opposite them. Wingsextremely long, not particularly broad, pointed, folding beyond the tail, which is short androunded. Point of the wing formed by 3d ur -ith quill; 2d and 5th nearly as long; 1st muchshorter ; outer 4 or 5 emarginate on inner webs. Tarsus about as long as middle toe w
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
