. 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. 18 KEY TO DUCKS, GEESE AND SWANS OF NORTH AMERICA Head, mostly white, greenish on lores and occiput. Head, light brown; belly, clear, sooty brown. Stellers' Duck. Eniconetta stelleri (male). See page 73. Stellers' Duck. Eniconetta stelleri {female). See page 73. GROUP III. Birds having wings from to inches long. Section I. Bill narrow with tooth=like serrations. Head, brownish or grayish, tarsus less than ; crest small (female and immat
. 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. 18 KEY TO DUCKS, GEESE AND SWANS OF NORTH AMERICA Head, mostly white, greenish on lores and occiput. Head, light brown; belly, clear, sooty brown. Stellers' Duck. Eniconetta stelleri (male). See page 73. Stellers' Duck. Eniconetta stelleri {female). See page 73. GROUP III. Birds having wings from to inches long. Section I. Bill narrow with tooth=like serrations. Head, brownish or grayish, tarsus less than ; crest small (female and immature). •-J5, Hooded Merganser. Lophodytes cucullatus. LophodyteB cucullatus. See page 39. Head with black and white crest; tarsus, less than (male). Hooded rXerganser. Lophodytes cucullatus. See page 39. Section 2. Bill not narrow, hind toe without menibrane= ous lobe or flap; a patch of pale blue on shoulder. A patch of blue on wing (coverts;; a white cres- cent on face; speculum, green. Blue=winged Teal. Anas discors (male). See page 48. Anas discors. No white crescent on face; head, speckled ; chin, whitish ; speculum, green. Blue^winged Teal. Anas discors (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, Charles B. (Charles Barney), 1857-1921. Boston, For sale by Little, Brown & Co.
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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1897
