. The birds of Illinois and Wisconsin. Birds; Birds. Tree Swallow. Entire under parts, white; upper plumage, metallic steel blue; young birds have the upper plumage brownish gray, but the under plumage is pure white. Iridoprocne bicolor. Tree Swallow. White-bellied Swallow. See No. Upper throat and sides of the head, chestnut brown; belly, whitish; forehead, whitish; crown and back, dark steel blue; upper tail coverts, pale rufous brown. Petrochelidon lunifrons. Cliff Swallow. See No. Please note that these images are extracted from scanned page images that may have been digitally
. The birds of Illinois and Wisconsin. Birds; Birds. Tree Swallow. Entire under parts, white; upper plumage, metallic steel blue; young birds have the upper plumage brownish gray, but the under plumage is pure white. Iridoprocne bicolor. Tree Swallow. White-bellied Swallow. See No. Upper throat and sides of the head, chestnut brown; belly, whitish; forehead, whitish; crown and back, dark steel blue; upper tail coverts, pale rufous brown. Petrochelidon lunifrons. Cliff Swallow. 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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Keywords: ., bookauthorcory, bookcentury1900, bookdecade1900, booksubjectbirds
