. Handbook of birds of eastern North America [microform] : with keys to the species and descriptions of their plumages, nests and eggs, their distribution and migrations and a brief account of their haunts and habits with introductory chapters on the study of ornithology, how to identify birds and howto collect and preserve birds, their nests, and eggs. Birds; Birds; Birds; Ornithology; Ornithology; Oiseaux; Oiseaux; Oiseaux; Ornithologie; Ornithologie. 44 KEY TO FAMILIES. Order V. Ansereo.âDucks, Geese, and Swans. Toes four, tlie front ones fully webbed; tarsus not strikinfjly flattened as in
. Handbook of birds of eastern North America [microform] : with keys to the species and descriptions of their plumages, nests and eggs, their distribution and migrations and a brief account of their haunts and habits with introductory chapters on the study of ornithology, how to identify birds and howto collect and preserve birds, their nests, and eggs. Birds; Birds; Birds; Ornithology; Ornithology; Oiseaux; Oiseaux; Oiseaux; Ornithologie; Ornithologie. 44 KEY TO FAMILIES. Order V. Ansereo.âDucks, Geese, and Swans. Toes four, tlie front ones fully webbed; tarsus not strikinfjly flattened as in the Grebes; tail always well developed; bill with toothliko projec- tions, fluted ridges, or gutters along its sides. 1. Bill very long, narrow, an 1 rounded with numerous toothlike pro- jections along it8 sides. . Subfamily Mergincb: Meboanskks (Fig. 16), p. *M*^^^M â ' -^^^^^^^*^^^^^ ! % Fio. 16. , Bill more (>r less flattened and ducklike. A. Lores feathered. o. Tarsus shorter than the middle toe, without nail; scales on its front transverse, more or less square. a>. Hind toe without a flap or lobe. . Subfamily AnatincB; River Ducks (Fig. 17, a), p. 100. a*. Hind toe with a flap or lobe. . Subfamily FuUgulince; Sea and Bay Ducks (Fig. 17, b), p. 107. ^ 1 3 >5>-^. 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 Chapman, Frank M. (Frank Michler), 1864-1945. New York : D. Appleton
Size: 3005px × 832px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1895
