. Color key to North American birds; with bibliographical appendix . MOURNING DOVe. Family U- PIGEONS AND DOVES. COLUMBID^,Characters those of the Order. 27 Synopsis of Orders and Families. Order XII. Yttltures, Hawks, and OWls. RAPTORES.(4 families, 56 species, 33 subspecies.)Generally large birds with hooked bill; strong, heavy feet, and nails : wings large; tail rather long, usually TURKEY VULTURE. Family 35. AMERICAN VULTURES. CATHARTID^. Bill not strongly hooked; toe-nails comparatively weak; nostrils large, piercingthe bill; head and more or less of neck, bare.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, bookyear1912