. Annual report. New York State Museum; Science; Science. BIRDS OF NEW YORK 173 At any rate, the twigs are carried into the chimney and are cemented to the wall and to each other by a gelatinous substance secreted by the salivary glands of the bird itself. When completed, the nest is like a little semi- circular bracket slightly hollowed downward. The eggs are placed on this framework of twigs without lining. They are 4 to 6 in number, oval- elliptical in shape, pure white in color, and average .82 by .50 inches in diameter. In food the swift is wholly insectivorous, and does an immense amount
. Annual report. New York State Museum; Science; Science. BIRDS OF NEW YORK 173 At any rate, the twigs are carried into the chimney and are cemented to the wall and to each other by a gelatinous substance secreted by the salivary glands of the bird itself. When completed, the nest is like a little semi- circular bracket slightly hollowed downward. The eggs are placed on this framework of twigs without lining. They are 4 to 6 in number, oval- elliptical in shape, pure white in color, and average .82 by .50 inches in diameter. In food the swift is wholly insectivorous, and does an immense amount of good destroying beetles, flies and gnats, which he devours in countless multitudes. The Chimney swift, as he darts by, frequently. Photo by Clarence F. Stone Chimney swift's nest and eggs utters a rapid chipper something like the syllable chip-chip-chip, rapidly repeated, and I have heard a loud cheeping in the chimney, evidently uttered by the young birds. One of the earliest impressions of my boy- hood was the curious roaring caused by the wings of parent swifts as they came and went from their nests at daybreak. This unfortunate habit of early rising has brought the Chimney swift into bad repute in many civilized communities, too great zeal in the service of the citizens while destroying the gnats, flies and mosquitoes which annoy them, closing even. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum. Albany : University of the State of New York
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902
