. Chiave per gli uccelli del Nord America. Contenente un resoconto conciso di ogni specie di uccelli viventi e fossili attualmente nota dal continente a nord del confine tra Messico e Stati Uniti, compresa la Groenlandia e la bassa California, con cui sono incorporate ornitologia generale: Un profilo della struttura e classificazione degli uccelli; e ornitologia di campo, un manuale di raccolta, preparazione e conservazione degli uccelli . che tingono le piume; disegno di legge rapidamente rastremando ad un acutepip. Ali appuntite, ma 1° primario non più lungo; di solito 2d-4° punto di ingresso dell'ala. Taileven o poco arrotondato, di ampia fea

• Collaboratore: Reading Room 2020 / Alamy Foto Stock
• ID dell’immagine: 2CP0MF6
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• Dimensioni: 1648 x 1517 px | 27,9 x 25,7 cm | 11 x 10,1 inches | 150dpi

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. 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 . ting the feathers; bill rapidly tapering to an acutetip. Wings pointed, but 1st primary not longest; usually 2d-4th entering point of wing. Taileven or little rounded, of broad feathers viddening a little to very obtuse ends, somewhat divari-cate in the middle. Tarsus a little longer than the bill. Our three forms are very closelyrelated: the ^ uniform lustrous black, with bend of wing red; 8.00-9.00 long; wing 4.50-5.00;tail 3.50-4.00. The ? everywhere streaked; above blackish-brown with pale streaks, inclin-ing on head to form median and supercihary stripes; below, whitish, with many sharp duskystreaks; sides of head, throat, and bend of the wing, tinged with reddish or fulvous; under8.00; wing about 4.00; tail 3.25. The young $ at first like the $, but larger, apt to havea general huffy or fulvous suffusion, vrith bright bay edgings of the feathers of back, wings, andtail, and soon showing black patches. The ? 9 are scarcely distinguishable: the <? ^ may bedetermined as follows:. Fis. 259.— Marsh Blackbird, c?, del. Nichols sc.) reduced. (Sheppara 404 SYSTEMATIC SYNOPSIS.—PASSEBUS—OSCINES. Analysis of Species and Varieties. Middle wiug-coverts buff, bordering the bright red patch phceniceus 316 Middle wlng-coverts buff, but black-tipped, usually leaving red patch without buff border . gubemator 317Middle wing-coverts white, bordering the dark red patch tricolor 318 316. A. phoenlceus. (Gr. (jiou/liceos, phomiJceos, Lat. phceniceus, red, of a color introduced in Greeceby the Phoenicians. Fig. 259.) Blackbird. Marsh Blackbird. Eed-winged Black-b

Parole chiave associate all'immagine

• bookcentury1800
• bookdecade1890
• booksubjectbirds
• bookyear1896