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.)

Bright olive-green; head, neck, throat and upper part of breast, _bluish
ash_; yellow belly; black band on breast; about bushes and in the grass;
noteworthy song. *Connecticut Warbler.

98. CHESTNUT-SIDED WARBLER. 5 in.
(Dendroica pennsylvanica. 659.)

Back shows black streaks mixed with olive-green; yellow cap; white below
with dainty _chestnut markings on sides of breast_; song, "chee, chee,
chee, chee'ar." *Bay-breasted Warbler.

99. WHIP-POOR-WILL. 9-3/4 in.
(Antrostomus vociferus. 417.)

Mottled, strongly resembling the bark of certain trees; narrow white band
across upper part of breast; big head; in daytime lies _motionless_,
_lengthwise a branch_. *Nighthawk.

100. CERULEAN WARBLER. 4-1/2 in.
(Dendroica caerulea. 658.)

_Azure-blue_, marked with black on back and sides of head; white below,
streaked with blue; two white wing-bars; frequents tree-tops; song
resembles that of _Parula_. *Blue-gray Gnatcatcher.

101. HOODED WARBLER. 5-1/2 in.
(Wilsonia mitrata. 684.)

Olive-green; yellow below; head, neck and upper breast, black; _yellow
"mask" across forehead and cheeks_; white spots on tail; female less
black. *Western Yellow-throat. *Wilson Black-cap Warbler. *Canadian
Warbler.

102. BLACK-POLL WARBLER. 5-1/2 in.
(Dendroica striata. 661.)

Streaked black and white; _black crown_; white cheeks; below white with
line of black spots down sides; tree-tops; song, a staccato musical
"chink" repeated rapidly. *Black and White Creeper.

103. YELLOW-BILLED CUCKOO. 12-1/4 in.
(Coccyzus americanus. 387.)

Bronzy olive-gray; white below; _lower half of curved bill yellow_ tipped
with black; outer tail-feathers