. 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 . 75. In less perfect summer dress, black of the back, inner secondaries and tail-feathers varied with white. 9 j in breedingplumage: The black impure or brownish, andmost or all of
. 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 . 75. In less perfect summer dress, black of the back, inner secondaries and tail-feathers varied with white. 9 j in breedingplumage: The black impure or brownish, andmost or all of the upper parts brownish-black,varied with white. Rather smaller. Dimen-sions of many specimens of both sexes : length(; extent ; wing ; tail ; bill ; tarsus ;middle toe and claw ; hind toe and ; claw alone Adults, inwinter, as generally seen in the U. S. (whereblack-and-white birds are rarely if everfound) : Upper parts overcast with rich warmchestnut-browm and grayish-brown, mixedwith the black of the back, and clouding the other upper parts which are white in summer,becoming dusky or even blackish on the head ; this brown also usually forming a patch on theears, a collar on the breast, edging of the inner wing- and tail-feathers, and a wash on theflanks; but specimens vary interminably; other parts white or black as in summer; l)il]. summer, reduced. FBINGILLID^: FINCHES, BUNTINGS, SPARROWS, ETC. 357 yellowish, usually black-tipped, but drying reddish-brown. Fledglings: Dark ashy-grayabove, and on the fore parts below this color overlaid with brown, and streaked on theback with dusky; below, from the breast, white; lateral tail-feathers mostly white; innersecondaries black with brown edging. A very notable bird, inhabiting the northern hemi-sphere, breeding in arctic regions, whence migrating south in vast flocks with the snow, as ifone with these pure crystallizations. Thousands whirl into the U. S. i
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
