. Elements of zoölogy : a textbook. Zoology. 170 VERTEBRATA : AVES OR BIRDS. and from the level of the sea to the cold heights of the Andes. Everything in their organization contributes to give them great power and rapidity of flight; and they are able to balance themselves in the air, or beside a flower, with a facility that is truly wonderful, and which finds a parallel only among some of the insect tribes. Their food consists of insects and honey, which are se- cured by extending the tongue into flowers without open- ing the bill very wide. About four hundred species of FIG. Toucan Rh
. Elements of zoölogy : a textbook. Zoology. 170 VERTEBRATA : AVES OR BIRDS. and from the level of the sea to the cold heights of the Andes. Everything in their organization contributes to give them great power and rapidity of flight; and they are able to balance themselves in the air, or beside a flower, with a facility that is truly wonderful, and which finds a parallel only among some of the insect tribes. Their food consists of insects and honey, which are se- cured by extending the tongue into flowers without open- ing the bill very wide. About four hundred species of FIG. Toucan 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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