. The birds of Illinois and Wisconsin. Birds; Birds. 648 Field Museum of Natural History—Zoology, Vol. IX. Genus DENDROICA Gray. 310. Dendroica tigrina (Gmel.). Cape May Warbler. Distr.: Eastern North America, north to Lake Winnipeg and Hudson Bay territory, west to the Plains; breeds from northern New England and southern Ontario northward. Adult male: Crown, black in full breeding plumage, usually mixed with olive; back, light olive green, irregularly marked with black; rump, yellow; a brownish yellow super- ciliary stripe and a black streak through the eye; sides of head around ear coverts,
. The birds of Illinois and Wisconsin. Birds; Birds. 648 Field Museum of Natural History—Zoology, Vol. IX. Genus DENDROICA Gray. 310. Dendroica tigrina (Gmel.). Cape May Warbler. Distr.: Eastern North America, north to Lake Winnipeg and Hudson Bay territory, west to the Plains; breeds from northern New England and southern Ontario northward. Adult male: Crown, black in full breeding plumage, usually mixed with olive; back, light olive green, irregularly marked with black; rump, yellow; a brownish yellow super- ciliary stripe and a black streak through the eye; sides of head around ear coverts, light chestnut brown, bor- dered below and on sides of neck with clear yellow; under parts, bright yellow (the throat and upper breast usually more or less tinged with brown), heavily streaked with black, the yellow shading to whitish on the belly; wing coverts, broadly tipped with white, forming a white patch; three outer tail feathers with large white patch on inner webs. Adult female: Above, grayish olive, shading to greenish yellow on rump; head marking not like the male; a faint yellowish line over the eye; white markings on wing coverts and tail much smaller; throat, pale yellow; under parts, yellowish white, streaked with dusky. Length, about 5; wing, ; tail, ; bill, .36. This species is common during the migrations in Illinois and Wis- consin in May and September. 311. Dendroica aestiva (Gmel.). Yellow Warbler. Distr.: Whole of North America, except British Columbia and Alaska, north to the Mackenzie region, Hudson Bay, and Labrador; breeds nearly throughout its North American range; south in winter to Middle America and northern South America. Adult male: Upper plumage, bright olive yellow, more yellowish on crown and rump; under parts, bright yellow, streaked with rufous brown; wings, fuscous brown, edged with greenish yellow; greater portion of inner webs of tail feathers, Please note that these images are extracted from scanned page images that m
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