. The birds of Illinois and Wisconsin. Birds; Birds. Jan., 1909. Birds of Illinois and Wisconsin—Cory. 51 Family PHALACROCORACID^. Cormorants. Bill, hooked at tip, and less than twelve inches long; bare skin at base of bill and chin; lores, bare; toes, four, all connected by webs; tail feathers, Double-crested Cormorant. Mexican Cormorant. * GROUP 1. Wing, 11 to 15 inches long. Plumage, variable at different seasons; but wing, always over 11 inches long. Phalacrocorax aiiritits, and races. Double-crested Cormorant and Florida Cormorant. See Nos. 32 and 32a. * GROUP 2. Wing, less than 1
. The birds of Illinois and Wisconsin. Birds; Birds. Jan., 1909. Birds of Illinois and Wisconsin—Cory. 51 Family PHALACROCORACID^. Cormorants. Bill, hooked at tip, and less than twelve inches long; bare skin at base of bill and chin; lores, bare; toes, four, all connected by webs; tail feathers, Double-crested Cormorant. Mexican Cormorant. * GROUP 1. Wing, 11 to 15 inches long. Plumage, variable at different seasons; but wing, always over 11 inches long. Phalacrocorax aiiritits, and races. Double-crested Cormorant and Florida Cormorant. See Nos. 32 and 32a. * GROUP 2. Wing, less than inches long. Adult: With white line bordering the bare skin on throat; imma- ture: showing throat pale, but white line not clearly defined. Phalacrocorax vigua mexicanus. Mexican Cormorant. See No. 33. * For directions for measurement, see page 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
