. Color key to North American birds . BLUE JAY. Family 50. CROWS AND JAYS. CORVID/E. Large perching birds, usually twelve inches or more in length; bill stout; nos-trils covered by projecting bristles; feet heavy; outer tail-feathers usually shortest;fourth to fifth primary longest, first about half as

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1903