. The birds of eastern North America known to occur east of the nineteenth meridian .. . Head and tail, Black and Yellow Warbler. Crown, dull gray; back, olive green; rump and belly, yellow; tail feathers, with white spots in the middle. Black and Yellow Warbler, Dendroica No. .500. Tnderparts, bright yellow; crown, yellow; bac-k and rump, bright olivegreen ; a narrow black streak from bill to eye-. Blue=winged Warbler. Helminthophila pinus (male).See Xo. 487. 288 KEY TO THE BIHDS OF EASTERN NORTH Crown, olive green (sonictimps with foreheadyellow); uiulerparts, greenish
. The birds of eastern North America known to occur east of the nineteenth meridian .. . Head and tail, Black and Yellow Warbler. Crown, dull gray; back, olive green; rump and belly, yellow; tail feathers, with white spots in the middle. Black and Yellow Warbler, Dendroica No. .500. Tnderparts, bright yellow; crown, yellow; bac-k and rump, bright olivegreen ; a narrow black streak from bill to eye-. Blue=winged Warbler. Helminthophila pinus (male).See Xo. 487. 288 KEY TO THE BIHDS OF EASTERN NORTH Crown, olive green (sonictimps with foreheadyellow); uiulerparts, greenish yellow ; back andIuinp, olive iireen ; terminal third of inner websof outer tail feathers, white. BIue=winged Warbler. llchninthophiUi pinu^ {female and immature).See ISJo. 487. Underpays, tinged with greenish yellow; uudertail coverts, white; crown, back,and rump, olive green ; outer tail feathers very narrowly edged with white Tentirely absent in some specimens). Tennessee Warbler. HehninthnphUa pierejrina (female in fall and immature).See No. 493. Underparts, yellow, washed with olive on sides; sides of head and lores,yellow; crown, olive green; l)ack and rumj), olive green; undertail coverts,pale yellow. Hooded Warbler. mitrata {female and immature in fall).See No. 525.
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