. La clé pour les oiseaux nord-américains. Contenant un compte rendu concis de toutes les espèces d'oiseaux vivants et fossiles à l'heure actuelle connues du continent au nord de la frontière mexicaine et des États-Unis, y compris le Groenland et la Basse-Californie, avec lesquelles sont incorporées l'ornithologie générale: Un aperçu de la structure et la classification des oiseaux; et l'ornithologie de champ, un manuel de collecte, de préparation et de conservation des oiseaux . d vers le bas, comme les nuthatches. Pondre des oeufs blancs et mouchetés dans les knotholes; ne sont pas régulièrement migrateurs; ont de légers changements saisonniers et orsexués de plumage; sont principalement insec

• Contributeur: Reading Room 2020 / Alamy Banque D'Images
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• Dimensions: 2125 x 1176 px | 36 x 19,9 cm | 14,2 x 7,8 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 . d downwards, like the nuthatches. Lay numer-ous white, speckled eggs in knotholes; are not regularly migratory; have slight seasonal orsexual changes of plumage ; are chiefly insectivorous, and not noted for musical ability. TBOGLODYTIB^: WRENS. 273 18. G2. 62a. CERTHIA. (Lat. certhius, a creeper. Fig. 146.) Characters as above. The stock-formof this genus varies according to locality. European varieties sometimes recognized are C. costceand C. britamnica. The N. Am. bird, which is in-separable from the European, -has been called G.rufa, fusca, and wmericana, for Eastern specimens, C. montana for those from the Eoeky Mt. region, and C. ocddentalis for those from the Pacific coastregion. The Mexican form, C. mexicmia, differsmore appreciably, as below given.C. famiUaris. (Lat. familia/ris, from farmlia, family; domestic, home-like. Fig. 145.) Brown Creeper. $ ? : Upper parts dark brown, chang- pig. 146—Head, foot, and tail-feather of Cer-to rusty-brown on the rump, everywhere ** °^- ^^. ing (Ad nat. del. E. C.) Streaked with ashy-white. An obscure whitish superciliary stripe. Under parts dull whitish, sometimes tinged with rusty on the flanks and crissum. Wing-coverts and quills tipped withwhite, the inner secondaries also with white shaft-hues, which, with the tips, contrast with theblaokish of their outer webs. Wings also twice crossed with white or tawny-white, the ante-rior bar broad and occupying both webs of the feathers, the other only on the outer webs neartheir ends. Tail grayish-brown, darker along the shaft and at the ends of the feathers, some-

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• bookcentury1800
• bookdecade1890
• booksubjectbirds
• bookyear1896