. How to know the ducks, geese and swans of North America, all the species being grouped according to size and color. Ducks; Geese; Swans; Birds. KEY TO DUCKS, GEESE AND SWANS OF NORTH AMERICA. 31 Section 7. Hind toe with well defined membraneous lobe or flap ; no white on head ; belly, mottled brown or grayish brown. Qeneral plumage, brownish ; no white on wings; axillars, black; feathers on the bill, more than one=half inch from nostril. American Scoter. Butter-bill Coot. Gray Coot. Oidemia americana (female). See page 74. Head, dark brown or black; feathers on bill, less than one-half inch
. How to know the ducks, geese and swans of North America, all the species being grouped according to size and color. Ducks; Geese; Swans; Birds. KEY TO DUCKS, GEESE AND SWANS OF NORTH AMERICA. 31 Section 7. Hind toe with well defined membraneous lobe or flap ; no white on head ; belly, mottled brown or grayish brown. Qeneral plumage, brownish ; no white on wings; axillars, black; feathers on the bill, more than one=half inch from nostril. American Scoter. Butter-bill Coot. Gray Coot. Oidemia americana (female). See page 74. Head, dark brown or black; feathers on bill, less than one-half inch from nostril; axillars, black; no white on wings (immature male). Surf Scoter. Skunk=hea^ Coot. Oidemia perspicillata (young male). See page 77. Head, tawny, streaked with brown; axillars, white or grayish white ; throat, streaked; feathers on bill, within one=fourth inch from nostril; decided difference in bill from next species. (See cut.) Eastern North America. American Eider Duck. Snmateria dresseri (female). See page 69. Head, tawny, streaked with brown; axillars, white or grayish white; throat, streaked; feathei-s on bill within one-fourth inch from nostril; decided dif= ference in bill from preceding species. (See cut.) Eastern North America. Greenland Eider Duck. Somateria borealis {female). See page 68. Resembles the preceding species, but occurs in Western North America, Pacific coast, and Great Slave Lake regions; does not occur in Eastern North America. (See cut of bill.) Pacific Eider Duck. Somateria V-nigra (female). See page 70. Head, tawny, streaked with brown; axillars, white or grayish white ; throat, not streaked; feathers on bill more than one-fourth inch from nostril. King Eider Duck. Somateria spectnbilis (female). See page Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cory, Char
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1897
