. The birds of Illinois and Wisconsin. Birds; Birds. Jan., 1909. Birds op Illinois and Wisconsin—Cory. 159 GROUP 5. Wing, over 15 inches long. Bill, black; general plumage, tawny, black and white; horn-like tufts of feathers over the eyes. Bubo virginianus, and races. Great Horned Owl. See Nos. 181, i8ia. Bill, black; general plumage, white, usually more or less marked with slate brown, or dark brown; no horn-like tufts of feathers over the eyes. Nyctea nyctea. Snowy Owl. See No. 182. Bill, yellowish; no horn-like tufts of feathers over eyes; general plumage, gray mixed with white and dark bro

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. The birds of Illinois and Wisconsin. Birds; Birds. Jan., 1909. Birds op Illinois and Wisconsin—Cory. 159 GROUP 5. Wing, over 15 inches long. Bill, black; general plumage, tawny, black and white; horn-like tufts of feathers over the eyes. Bubo virginianus, and races. Great Horned Owl. See Nos. 181, i8ia. Bill, black; general plumage, white, usually more or less marked with slate brown, or dark brown; no horn-like tufts of feathers over the eyes. Nyctea nyctea. Snowy Owl. See No. 182. Bill, yellowish; no horn-like tufts of feathers over eyes; general plumage, gray mixed with white and dark brown. Scotiaptex nebulasa. Great Gray Owl. See No. Great Homed 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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Keywords: ., bookauthorcory, bookcentury1900, bookdecade1900, booksubjectbirds