
[1] Stan and Barbara A. Butler Deorsey. The Birds of Dutchess County New York Today and Yesterday : A Survey of Current Status with Historical Changes Since 1870. (Millbrook, NY: Grinnell and Lawton Publishing, 2006) 241.
[2] Deorsey. The Birds of Dutchess County New York. (Millbrook, NY: Grinnell and Lawton Publishing 2006) 66, 106.
[3] Deorsey. The Birds of Dutchess County New York. (Millbrook, NY: Grinnell and Lawton Publishing 2006) 272.
[1] Stan Deorsey and Barbara A. Butler. The Birds of Dutchess County New York Today and Yesterday : A Survey of Current Status with Historical Changes Since 1870.(Millbrook, NY: Grinnell and Lawton Publishing, 2006) 242.
[2] Stan and Barbara A. Butler Deorsey. The Birds of Dutchess County New York Today and Yesterday : A Survey of Current Status with Historical Changes Since 1870. (Millbrook, NY: Grinnell and Lawton Publishing, 2006) 242.
[3] Deorsey. The Birds of Dutchess County New York. (Millbrook, NY: Grinnell and Lawton Publishing 2006) 242.
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