136 
FIELD KEY 
Fifth Group. — Without either yellow, orange, red, or blue in the 
plumage; not conspicuously black, or black and white 
I. Underparts all one color, without streaks or spots. 
1. Back without streaks or spots. 
A. Underparts white or whitish. 
a . Length under 7 '50. 
a 1 . Back olive, olive-green, or slaty fuscous. 
a 2 . No white line over the eye; flycatchers, capturing their prey on 
the wing and returning to their perch, where they sit quietly 
until making a fresh sally. 
a 3 . Crown blackish ; frequently found nesting under bridges or 
about buildings ; tail wagged nervously ; note, pewit-phoebe. 
456. Phcebe. 
a 4 . Wing-bars whitish; haunts orchards, lawns, and open wood- 
land; note, chebec , chebec . . . 467. Least Flycatcher. 
a 5 . Haunts woodlands; generally frequents the upper branches; 
note, a plaintive pee-a-wee 461. Wood Pewee. 
6 2 . A white line over the eye, or wing-bars white ; gleaners ; patiently 
exploring the foliage for food or flitting about the outer 
branches. 
6 3 . White line over the eye bordered by a narrow black one; 
cap gray; iris red; song, a rambling recitative: “You see it 
— you know it — do you hear me?” etc. 
624. Red-eyed Vireo. 
6 4 . White line over the eye not bordered by black; prefers the 
upper branches of rows of elms and other shade trees ; song 
a rich, unbroken warble with an alto undertone. 
627. Warbling Yireo. 
6 5 . No white line over the eye; eye-ring and wing-bars white; 
length 4’00; a tiny, unsuspicious bird; flits about the outer 
branches of trees and shrubs; wings twitched nervously; 
note, each; song, a remarkably loud, musical whistle. 
749. Ruby-crowned Kinglet. 
6 1 . Back not olive-green, or slaty fuscous. 
6 2 . Back gray or bluish gray. 
6 3 . Crown black; cheeks white; a tree creeper; note, yank, yank . 
727. White-breasted Nuthatch. 
6 4 . A gray, crested bird; forehead black; no white in the tail; 
note, a whistled peto, peto, or hoarse de-de-de-de. 
731. Tufted Tit. 
c 2 . Back cinnamon-brown; length 4*75; a nervous, restless, excit- 
able bird; tail carried erect; song, sweet, rapid and rippling, 
delivered with abandon 721. House Wren. 
b . Length over 7'50. 
6 1 . Upperparts grayish slate-color; a white band at the end of the 
tail ; a concealed orange-red crest ; a bird of the air, catching its 
insect food on the wing, and occasionally sallying forth from 
its exposed perch in pursuit of a passing Crow; note, an un- 
musical, steely chatter . 444. Kingbird. 
6 2 . Length 12*00; slim, brownish birds with long tails; flight short 
and noiseless; perch in a tree, not in an exposed position; note 
tut-tut, cluck-cluck, and cow-cow. 
387. Yellow-billed Cuckoo. 388. Black-billed Cuckoo. 
B, Underparts not white. 
a. Slate-color; cap and tail black; inhabits the lower growth; call-note, 
nasal; song highly musical and varied; length 8*50. 
704. Catbird. 
b . Grayish brown; conspicuously crested; a black line through the 
eye; tail tipped with yellow; generally seen in small flocks; note 
thin and weak; length 7'00 619. Cedar Waxwing. 
