. Elements of zoölogy : a textbook. Zoology. : CUCKOOS, ETC. 171 Humming-birds are known ; and six or more are found in North America. None of the scansorial birds are more remarkable in their appearance than the Toucans or Rhamphastidse, which have the bill almost as long as the body. The bill is light, being cellular in its structure, and is serrated on its edges. Toucans have a long tono-ue which is barbed on *_> o o both edges. They inhabit warm countries, and are about the size of a dove, but more slender. The Cuckoos or Cuculidse are scansorial birds which have a gently curve


. Elements of zoölogy : a textbook. Zoology. : CUCKOOS, ETC. 171 Humming-birds are known ; and six or more are found in North America. None of the scansorial birds are more remarkable in their appearance than the Toucans or Rhamphastidse, which have the bill almost as long as the body. The bill is light, being cellular in its structure, and is serrated on its edges. Toucans have a long tono-ue which is barbed on *_> o o both edges. They inhabit warm countries, and are about the size of a dove, but more slender. The Cuckoos or Cuculidse are scansorial birds which have a gently curved bill, long body, long tail, and rather long tarsi. They vary in size from that of the Yellow- FIG. Yellow-billed Cuckoo, Coccygus americanus, Bonaparte. billed Cuckoo (Fig. 202), twelve inches in length, to that of the curious Chapparal Cock or Roadrunner (Geo- coccyx californianus)) which is found in the south- western portions of our country, and which is about twenty-four inches long, its tail being about a foot in 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 Tenney, Sanborn, 1827-1877. New York : Scribner


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