. The birds of Illinois and Wisconsin. Birds; Birds. Jan., 1909. Birds of Illinois and Wisconsin — Cory. 455 writers mention it as liaving been seen. If it occurs at all it is an accidental straggler in Wisconsin. The nest is built in a tree. The eggs are three or four in number, brownish white or whitish overlaid and mottled with madder brown, and measure about x inches. Genus CIRCUS Lacepede. 154. Circus hudsonius (Linn.). Marsh Hawk. Distr.: North America, from Fur Countries to the Gulf, breeding throughout its range; south in winter to Cuba and Central America. Special characters


. The birds of Illinois and Wisconsin. Birds; Birds. Jan., 1909. Birds of Illinois and Wisconsin — Cory. 455 writers mention it as liaving been seen. If it occurs at all it is an accidental straggler in Wisconsin. The nest is built in a tree. The eggs are three or four in number, brownish white or whitish overlaid and mottled with madder brown, and measure about x inches. Genus CIRCUS Lacepede. 154. Circus hudsonius (Linn.). Marsh Hawk. Distr.: North America, from Fur Countries to the Gulf, breeding throughout its range; south in winter to Cuba and Central America. Special characters, adult male: General plumage, ashy gray; upper tail coverts, white; belly and flanks, white, spotted with pale tawny brown; wing, 13 to 15 inches; tail, over inches. Female and immature male: Upper parts, brown, showing more or less tawny rufous; upper tail coverts, white; under parts, tawny; •. Marsh Hawk. the belly and flanks, without bars or spots; wing, 13 to 16 inches; tail, more than inches long. The Marsh Hawk is a common summer resident in Illinois and Wisconsin. It frequents the fields and open marshes and may be recognized by its conspicuous white upper tail 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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