. 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. 24 KEY TO DUCKS, GEESE AND SWANS OF NORTH AMERICA. Top of head, brown ; sides of head, brownish white; speculum, gray ; bill, more than one and a quarter inches long. Red-head Duclc. Aythya americana (female). See page 53. Bill, not over long; a patch of white or grayish white, on the head, including the eye; no speculum; under tail covert, white; adult males have the tail feathers long and pointed. Old Squaw. Long=tailed Duck. Olangula hyemalis
. 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. 24 KEY TO DUCKS, GEESE AND SWANS OF NORTH AMERICA. Top of head, brown ; sides of head, brownish white; speculum, gray ; bill, more than one and a quarter inches long. Red-head Duclc. Aythya americana (female). See page 53. Bill, not over long; a patch of white or grayish white, on the head, including the eye; no speculum; under tail covert, white; adult males have the tail feathers long and pointed. Old Squaw. Long=tailed Duck. Olangula hyemalis. See page 64. Section 5. Hind toe with well defined membraneous lobe or flap; belly, white, sometimes tinged on lower part with dusky or gray; no white or grayish white on Aythya niarila nearotica. Head, black, glossed with green; back, gi-ayish white, finely lined with black; speculum, white. Greater Scaup Duck. Blue°bill, Black-head. Aythya mania nearotica {male). See page 56. Head, cinnamon brown ; upper breast and back, ashy gray, not barred; specu- lum, white. Very similar to female Barrow's Golden Eye, but slightly smaller, much more common than the next species on the Atlantic coast. American Qolden Eye. Whistler. Qlauoionetta olangula americana (female). See page 59. Head, cinnamon brown; upper breast and back, ashy gray not barred; specu- lum, white, very similar to preceding species, but slightly larger. Barrow's Golden Eye. Qlauoionetta islandica (female). See page 60. Head, rufous brown; crown, blackish; breast, black; lower back, ashy white, finely lined with black; bill very different from that of Eed-head. See cut. Canvas-back Duck. Aythya vallisneria (male). ,, ,,. See page 54. Aythya yallisuena. ^ °. 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, Charles B. (Charles Barney),
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1897
