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508 Hand-Rearing Birds
Forbush, E. and May, J. (1939). Natural History of American Birds of Eastern and Central North
America, 553 pp. Boston: Houghton Mifflin Company.
Ligon, J.D. (1970). Still more responses of the poorwill to low temperatures. Condor 72 (4): 496–498.
Perrins, C. (1979). Birds: Their Life, Their Ways Their World, 411 pp. Pleasantville, New York: Reader’s
Digest Association.
Sibley, C.G. and Ahlquist, J.E. (1990). Phylogeny and Classification of Birds: A Study in Molecular
Evolution, 976 pp. New Haven, Connecticut: Yale University Press.
Terres, J. (1991). The Audubon Society Encyclopedia of North American Birds, 1053 pp. New Jersey:
Wings Books.
