. Elements of biology; a practical text-book correlating botany, zoology, and human physiology. Biology. Sandhill crane, showing habitat. From mounted group at the American Museum of Natural History. the feet webbed, the wings are often adapted for long and swift flight. In this division are placed the gulls, terns, ducks, geese, loons, auks, and puffins. Other Orders. — Other orders of birds which we are likely to see and recognize may be mentioned. They include the doves, the only remaining native representative being the mourning dove; the woodpeckers, strong and long of bill, the friend of
. Elements of biology; a practical text-book correlating botany, zoology, and human physiology. Biology. Sandhill crane, showing habitat. From mounted group at the American Museum of Natural History. the feet webbed, the wings are often adapted for long and swift flight. In this division are placed the gulls, terns, ducks, geese, loons, auks, and puffins. Other Orders. — Other orders of birds which we are likely to see and recognize may be mentioned. They include the doves, the only remaining native representative being the mourning dove; the woodpeckers, strong and long of bill, the friend of the lumberman as a savior of the trees from boring pests which live under the bark; the swifts and humming birds, the latter among the tiniest of all vertebrate animals: and the parrots, of which we have only one native form, the Carolina paroquet (Conurus carolinensis). This bird once had a range north as far as the Great Lakes; now it is found only in South America. Relationship of Birds and Reptiles.—The birds afford an interesting example of how the history of past ages of the earth has given us a clew to the structural relation which birds bear to other animals. Several years hunter's BIOL. — 20. 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 Hunter, George William, 1873-1948. New York, American book company
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