. The bird, its form and function. Birds. Beaks and Bills 233 the surface of the water, so close in fact that the lower mandible dips below the surface, thus ploughing a zig- zag furrow and catching up any organisms, shrimps or fish, which chance to be floating on the Fig. 173.—Bill of iMerganser, a tish-eating duck. Fig. 174.—Bill of Shoveller Duck, a bird which its food from the mud. Among ducks, we find those which feed on fish, and those which sift their food from the mud at the bottom of ponds, and these differ radicalh' in respect to their beaks. The fish-eating merganse
. The bird, its form and function. Birds. Beaks and Bills 233 the surface of the water, so close in fact that the lower mandible dips below the surface, thus ploughing a zig- zag furrow and catching up any organisms, shrimps or fish, which chance to be floating on the Fig. 173.—Bill of iMerganser, a tish-eating duck. Fig. 174.—Bill of Shoveller Duck, a bird which its food from the mud. Among ducks, we find those which feed on fish, and those which sift their food from the mud at the bottom of ponds, and these differ radicalh' in respect to their beaks. The fish-eating merganser has perhaps, of all living birds, the nearest resemblance to a toothed 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 Beebe, William, 1877-1962. New York, Holt
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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1906
