. Color key to North American birds . WHIP-POOR-WILL. Family 44. GOATSUCKERS, ETC. CAPRIMULGID/E. Feet usually small and weak; toes, three in front, one behind; middle toe-nail pectin-ate or combed; bill small; mouth very large and usually beset by long CHIMNEY SWIFT. Family 45. SWIFTS. MICROSPODID/E. Bill small, triangular when seen from above; mouth large, no bristles; tail variable,in Chceiura with projecting spines; wings long and narrow; feet small and toes short;plumage usually dark.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1903