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. The birds of Illinois and Wisconsin. Birds; Birds. Jan., 1909. Birds of Illinois and Wisconsin — Cory. 465. Red-shouldered Hawk (adult). Male: Length, 18 to ; wing, to ; tail, 7 to ; tarsus, to Female: Length, to ; wing, 12 to ; tail, to ; tarsus, to The Red-shouldered Hawk is a common summer resident in Illinois and not uncommon in Wisconsin. The immature birds somewhat resemble those of B. borealis, but besides other differences they are smaller and the tarsus more slender and less feathered than in that species. Usually ne
. The birds of Illinois and Wisconsin. Birds; Birds. Jan., 1909. Birds of Illinois and Wisconsin — Cory. 465. Red-shouldered Hawk (adult). Male: Length, 18 to ; wing, to ; tail, 7 to ; tarsus, to Female: Length, to ; wing, 12 to ; tail, to ; tarsus, to The Red-shouldered Hawk is a common summer resident in Illinois and not uncommon in Wisconsin. The immature birds somewhat resemble those of B. borealis, but besides other differences they are smaller and the tarsus more slender and less feathered than in that species. Usually nests in a large tree. The eggs are 3 to 5, rarely six, dull white, spotted and marked various shades of brown. They measure about x inches. Incubation usually commences in late April or May in this latitude. 160. Buteo swainsoni Bonap. Swainson's Hawk. Distr.: Ranges from Wisconsin, Illinois and Mississippi Valley west to the Pacific Ocean, and from the Fur Countries south to South. 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