Blue-black all over; female lighter and streaked with grayish-white below; often nests in bird houses; twittering song. *Tree Swallow.
*Chimney Swift.
82. YELLOW-BREASTED CHAT. 7-1/4 in.
(Icteria virens. 683.)
Olive-green; bright yellow below, belly _white_; region about eye black, marked with a white line above eye; white spot and shorter line below eye; the largest warbler; remarkable song. *d.i.c.kcissel. *Western Yellow-Throat. *Yellow-Throated Vireo.
83. BLACK-THROATED BLUE WARBLER. 5-1/4 in.
(Dendroica caerulescens. 654.)
Slaty-blue; below white, with black throat and sides; _conspicuous white patch on wing_; female grayish, no black, but may be recognized by _wing patch_; _hoa.r.s.e_ note, "kree, kree." *Blue-gray Gnatcatcher.
84. NASHVILLE WARBLER. 4-3/4 in.
(Helminthophila rubricapilla. 645.)
Olive-green; head and neck bluish gray; indistinct brown patch on crown; _bright yellow below_; no wing bars; _white eye ring_; song, not loud, "wee"-see, wee"-see, wit"-a-wit"-a-wit"." *Tennessee Warbler.
85. WARBLING VIREO. 5-1/4 in.
(Vireo gilvus. 627.)
Mouse gray, with olive rump; white below, tinged with greenish yellow; creamy-white around the eye; song, rippling warble. *Red-eyed Vireo.
*Least Flycatcher.
86. BLUE-HEADED VIREO. 5-1/2 in.
(Vireo solitarius. 629.)
Olive-green; _ashy-blue head_; pure white below, sides yellowish; line around the eye and to the bill, white; two white wing-bars; song, noteworthy. *Yellow-throated Vireo.
87. ORCHARD ORIOLE. 7 in.
(Icterus spurius. 506.)
Male, rich _chestnut-brown_ with black head, wings and tail, narrow white wing-bar; female olivaceous above and greenish-yellow below with two white wing-bars; young male like female but with black throat; high trees; loud, clear song. *Baltimore Oriole.
88. LONG-BILLED MARSH WREN. 5-1/4 in.
(Telmatodytes pal.u.s.tris. 725.)
Brown, almost black on head, tail and between shoulders, the latter streaked with white; barred only on wings and tail; _line over eye_ and middle of breast white; _long bill_; spluttering song. *Other Wrens.
89. BAY-BREASTED WARBLER. 5-1/2 in.
(Dendroica castanea. 660.)
Ashy-brown, black-streaked; black cheeks and forehead; throat, upper part of breast, sides and crown, _rich chestnut brown_; white wing-bars.
*Chestnut-sided Warbler.
90. PARULA WARBLER. 4-1/2 in.
(Compsothlypis americana. 648.)
Grayish-blue, _yellowish across the back_; throat and breast yellow, latter crossed by brownish band; wing-bars; peculiar song. *Blue Golden-winged Warbler.
91. WOOD PEWEE. 6-1/4 in.
(Contopus virens. 461.)
Dark olive-brown; brownish black on wings and tail; frowsy head; below white, showing olive tinge on sides; two narrow white wing-bars; plaintive note repeated slowly and often, "pee"to-way", pee"-to-way", hee"-rue." *Phoebe. *Least Flycatcher.
92. BOBOLINK. 7-1/2 in.
(Dolichonyx orizivorus. 494.)
Male black with light back, creamy buff on neck; female, sparrow colored, streaked above; long merry musical song; open fields; in Lincoln Park usually seen in flocks flying overhead, singing on the wing.
93. BLUE GOLDEN-WINGED WARBLER. 5 in.
(Helminthophila chrysoptera. 642.)
Blue-gray; crown and _patch on wing_, golden yellow; _throat_, and stripe through eye, _black_; white below; song, drawling "zee, zee, zee, zee."
*Parula Warbler.
94. INDIGO BUNTING. 5-3/4. in.
(Cyanospiza cyanea. 598.)
_Indigo blue_; wings and tail blackish; female brown; in flocks; often feeds in the gra.s.s; noteworthy song. *Bluebird.
95. PROTHONOTARY WARBLER. 5-1/4 in.
(Prothonotaria citrea. 637.)
Entire head, neck and breast, _bright orange yellow_; blue-gray wings, rump and tail; female duller; prefers shrubbery near water. *Blackburnian Warbler. *Yellow Warbler.
96. TENNESSEE WARBLER. 4-1/2 in.
(Helminthophila peregrina. 647.)
Olive-green, brightest on rump; head and neck, blue gray; _dull white below_; faint white line over eye; no wing-bars; song, shrill and feeble.
*Nashville Warbler.
97. MOURNING WARBLER. 5-1/2 in.
(Geothlypis philadelphia. 679.)