. The birds of Illinois and Wisconsin . Philadelphia Vireo.(Showing long first primary.) Blue-headed Vireo.(Showing short first primary.) 632 Field Museum of Natural History — Zoology, Vol. IX. Genus VIREOSYLVA Bonap. 293. Vireosylva olivacea (Linn.). Red-eyed Vireo. Vireo olivaceus (Linn.), A .0. U. Check List, 1895. p. 263. Distr.: North America, from Colorado, Utah, western BritishColumbia and Northwest Territory, eastward to the Atlantic coast;breeds throughout its North American range; south in winter tonorthern South Adult: Crown, gray, bordered by a black line; a whitish strip
. The birds of Illinois and Wisconsin . Philadelphia Vireo.(Showing long first primary.) Blue-headed Vireo.(Showing short first primary.) 632 Field Museum of Natural History — Zoology, Vol. IX. Genus VIREOSYLVA Bonap. 293. Vireosylva olivacea (Linn.). Red-eyed Vireo. Vireo olivaceus (Linn.), A .0. U. Check List, 1895. p. 263. Distr.: North America, from Colorado, Utah, western BritishColumbia and Northwest Territory, eastward to the Atlantic coast;breeds throughout its North American range; south in winter tonorthern South Adult: Crown, gray, bordered by a black line; a whitish stripeover the eye and a dusky stripe through the eye; back, olive green;sides, olive green, rest of under parts, white; wings and tail, slatybrown, edged with greenish; iris, red. Sexes similar. Length, about 6; wing, ; tail, ; bill, .50.
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookidbirdsofillinoisw00cory
