. The birds of Illinois and Wisconsin. Birds; Birds. 76 Field Museum of Natural History âZoology, Vol. IX. Family IBIDID.^. Ibises. Bill, long, rather slender, and decidedly curved downward; tarsus, always less than five inches long; toes, four, all on the same level, no comb-like edge on side of middle toe nail; wing, from to 13 inches long. Wing, less than inches long. General plumage, dark chestnut; feathers, at base of bill, not ^liite^ Plegadis autumnalis. Glossy Ibis. See No. â 'â m*'- Itnmature. White Ibis. Adult. General plumage, white; primaries, blackish (adult). Guar
. The birds of Illinois and Wisconsin. Birds; Birds. 76 Field Museum of Natural History âZoology, Vol. IX. Family IBIDID.^. Ibises. Bill, long, rather slender, and decidedly curved downward; tarsus, always less than five inches long; toes, four, all on the same level, no comb-like edge on side of middle toe nail; wing, from to 13 inches long. Wing, less than inches long. General plumage, dark chestnut; feathers, at base of bill, not ^liite^ Plegadis autumnalis. Glossy Ibis. See No. â 'â m*'- Itnmature. White Ibis. Adult. General plumage, white; primaries, blackish (adult). Guara alba. White Ibis. See No. 76. General plumage, brownish or grayish, often more or less mixed brown, gray, and white; rump, white (immature). Guara alba. White Ibis. See No. 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 Cory, Charles B. (Charles Barney), 1857-1921. Chicago
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