The Auk, 8권

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American Ornithologists' Union, 1891
 

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268 페이지 - ... probably other trees for the purpose of taking from them the elaborated sap and in some cases parts of the cambium layer; that the birds consume the sap in large quantities for its own sake and not for insect matter which such sap may chance occasionally to contain; that the sap attracts many insects of various species, a few of which form a considerable part of the food of this bird, but whose capture does not occupy its time to anything like the extent to which sap drinking occupies it; that...
260 페이지 - ... dipping. 6.18. A Hermit Thrush alights on the limb from which the Woodpeckers always take flight. Young flies at him twice and drives him away and out of the' tree. 6.30. Young still dipping; I go home. On July 24 instead of going to 'Orchard No. i" as I shall call that already described, I went first to another half a mile northeast of it, where, in August, 1889, I had seen Sapsuckers drilling a canoe birch, and Hummingbirds and a Downy Woodpecker apparently sharing in the profits of the tree....
280 페이지 - ... among them as they are feeding. When wounded and closely pursued. they will frequently dive to the bottom (always using their wings as well as feet at such times in swimming under water) and retain hold of the rockweed with the bill until drowned, prefering thus to die than to come to the surface to be captured. As an instance of this, I may mention that on one occasion I shot a scoter when the water was so still that there was not even a ripple on its surface; after pursuing the bird for some...
4 페이지 - ... swiftly, her tail lowered and about in line with the back; the male flapping his wings on the water in his eagerness to overtake her. This he soon succeeded in doing, but just as he clutched at her with open bill, evidently with amorous designs, she eluded him by a sudden clever turn. He then swam around her in a narrow circle, carrying his tail widespread and erect, his neck arched, his scarlet front fairly blazing and apparently much enlarged and inflated. Seeing that she would not permit his...
216 페이지 - ... and mostly single birds. The whole number I ever shot would not exceed a dozen, for they were never plentiful : I rarely met with them. The males in full plumage were exceedingly rare; I think I never met with more than three or four of these ; the rest were young males and females. They were shy and hard to approach, taking flight from the water at the least alarm, flying very rapidly.
298 페이지 - Birds of the Bahama Islands; containing many Birds new to the Islands, and a Number of undescribed Winter Plumages of North American Birds. By Charles B. Cory, Author of "A Naturalist in the Magdalen Islands,
303 페이지 - No. XIV. Birds from the coasts of western North America and adjacent islands, collected in 1888-89, with descriptions of new species.
33 페이지 - ... rises to the branch of a wayside tree, or to the top of a bush at the edge of the pasture, the first eccentric accent compels us to admit that the spirit of song has fast hold on him. As the fervor increases, his long and elegant tail droops, his whole plumage is loosened and trembling, his head is raised, and his bill is wide open; there is no mistake, it is the power of the god. No pen can report him now; we must wait till the frenzy passes.
34 페이지 - Whip-poor-will, the first and last syllables being uttered with great emphasis, and the whole in about a second to each repetition; but when two or more males meet, their whip-poor-will altercations become much more rapid and incessant, as if each were straining to overpower or silence the other.
96 페이지 - ... of this desert are devoid of vegetation, while other parts support a scanty growth of cactus, greasewood, and a few other species. In the foregoing account the general features of the several zones of the San Francisco Mountain region have been briefly outlined. Recapitulating, it may be said that in ascending from the hot and arid Desert of the Little Colorado to the cold and humid summit of the mountain no less than seven zones are encountered, each of which may be characterized by the possession...

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