. The birds of Illinois and Wisconsin. Birds; Birds. Jan., 1909. Birds of Illinois and Wisconsin — Cory. 127 First primary, about one- half as long as third; feet, zygodactyle (toes, two in front, two behind); outer tail feathers, very much shorter than middle feathers. ^ Family CUCULIDiE. Cuckoos. See page 161.. 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 work.. Cory, Charles B. (Charles Barney), 1857-1921. Chicago

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