. Directory to the birds of Eastern North America .. . toes webbed ; hind tot-, absent, All swim and dive well likeLoons. Sit upright on land, andwalk well. All occur on salt , flshes. Flight, swift and di-rect, often with a swaying motion,but all turn readily in air; wing-beats, very rapid. The outer cover-ing of portions of bill is moulted insome species. The young are cov-ered with down when hatched, butare comparatively helpless, being B, A, a, 3. by regurgitation. All of the species occur on the openocean in winter, but often not far from land, and thus can beso
. Directory to the birds of Eastern North America .. . toes webbed ; hind tot-, absent, All swim and dive well likeLoons. Sit upright on land, andwalk well. All occur on salt , flshes. Flight, swift and di-rect, often with a swaying motion,but all turn readily in air; wing-beats, very rapid. The outer cover-ing of portions of bill is moulted insome species. The young are cov-ered with down when hatched, butare comparatively helpless, being B, A, a, 3. by regurgitation. All of the species occur on the openocean in winter, but often not far from land, and thus can besometimes seen from rocky promontories or open sea Sexes, similar, A. AUKS, MURRES, GUILLEMOTS. Alcidae. Rather large-bodied, short-necked birds which ride light-ly on the water, and sit upright on land, resting on the whole foot. a. Auks. , rather thick-necked birds with tlie bill deep\but very much compressed, andcrossed by two grooves and awhite band, fig. 12, ontlie nextO, A, a, 1. 1-2 DIRECTOHV TO IJIJiDS OF KASTEKN NOKTU AMEKICA. 17 1. RAZOR-BILLED AUK, A. torda. lon^: blackabove; white beneath; narrow white wing band; brownish onhead, neck, and throat, fig. 12. In Fig. 12. winter the throat is white. Younghave a smaller bill without groovesor bands. Nests in cavities aboutrocks ; eggs, 1,2, white, heavily mottied with brown and umber. Breedsthe last week in June. A trim, neat,bird, rather unsocial, and quitequarrelsome. Occurs in summerfrom Grand Menan northward; mi-grates south late in Oct. ; wintersfrom Mass. to N. J.; goes north inearly March. This species holds itstail upright when swimming. Cries,loud and harsh. b. Murres. Uria. Differ from a in being more slender, with a pointed bi-lwhich is not much compressed nor at all ridged, figs. 13, , brownish or black above: white beneath ; wing band, Fis. 13.
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Keywords: ., bookauthormayn, bookcentury1900, bookdecade1910, booksubjectbirds
