. The Audubon annual bulletin. Birds; Birds. ra ⢠⢠⢠⢠â¢. ?â¢-»-â¢-*-»-â¢* 0 0 W N I N 6 $\. Fig. 122. "1 â V r Chart and census of a city block, Worcester, Mass., for 1898 and 1901. Stars signify nests in 1898, viz., two robins, one oriole, one chipping sparrow, and one downy woodpecker. Initial letters stand for nests in 1901. Note the gain, 300 per cent, in three years. Houses, trees, and shrubbery are appropriately indicated; r., robin; o., oriole; , bluebird; , wood pewee; , chipping sparrow. The trees are:. Please note that these images are extracted from scanned


. The Audubon annual bulletin. Birds; Birds. ra ⢠⢠⢠⢠â¢. ?â¢-»-â¢-*-»-â¢* 0 0 W N I N 6 $\. Fig. 122. "1 â V r Chart and census of a city block, Worcester, Mass., for 1898 and 1901. Stars signify nests in 1898, viz., two robins, one oriole, one chipping sparrow, and one downy woodpecker. Initial letters stand for nests in 1901. Note the gain, 300 per cent, in three years. Houses, trees, and shrubbery are appropriately indicated; r., robin; o., oriole; , bluebird; , wood pewee; , chipping sparrow. The trees are:. 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 Illinois Audubon Society. [Chicago, Ill. ] : The Society


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Keywords: ., bo, bookcentury1900, bookcollectionbiodiversity, booksubjectbirds