. [Articles about birds from National geographic magazine]. Birds. EAGLES, HAWKS, AND VULTURES. ) National Geographic Society AMERICAN ROUGH-LEGGED HAWK Upper; ordinarj- light phase; adult perched, immature flying AjjpioMinatelj one-sc\enlh n itural size FERRUGINOUS ROUGH-LEGGED HAWK Lower; adult in light phase (left). dark phase flying (right) IX. 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 Washington, D. C. : National
. [Articles about birds from National geographic magazine]. Birds. EAGLES, HAWKS, AND VULTURES. ) National Geographic Society AMERICAN ROUGH-LEGGED HAWK Upper; ordinarj- light phase; adult perched, immature flying AjjpioMinatelj one-sc\enlh n itural size FERRUGINOUS ROUGH-LEGGED HAWK Lower; adult in light phase (left). dark phase flying (right) IX. 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 Washington, D. C. : National Geographic Society
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Keywords: ., bookpublisherwashingtondcnationalgeographicso, booksubjectbirds