Perching Birds Chiefly Dull Colored 



625. Yellpw-gpeen Vrreo {yiuo flavoviridis). L. 

 6.4. Resembling No. 624, but greener above, the 

 sides heavily washed with greenish yellow. 



Ranee.— Nwthem South America, north to the Lower Rio Grande. 



626. Philadelphia Vireo {i/iuo philaddpkiotn). L. 

 4.8. /ids. No distinct crown-cap; above olive-green; 

 below yellowish; a whitish line over eye; no wing-bars. 

 Notes. Resemble those of the Red-eyed Vireo but gen- 

 erally higher pitched; also a very abrupt, double-syll- 

 abled utterance with a rising inflection which comes in 

 with the song at Irregular intervals. (Brewster.) 



Range,— Eastern North America; breeds from Maine, New Ham- 

 ehlre and Manitoba northward; winters In the tropics. 



627. Warbling Vireo (Firea^iVwi). L. 5.4; W. 

 2.8. Ads. Above grayish olive-green, crown slightly 

 grayer but without distinct cap as in No. 624; a whit- 

 ish line over eye but no black line above it; below 

 white, the sides washed with yellowish: no wine-bars. 

 Hotss. Call, resembles that of the Red-eyed vireo; 

 song; a rich, firm, unbroken warble with an alto un- 

 dertone. 



Range.- Eastem United States, west to the Plains; breeds from 

 Gulf States north to Hudson Bay region; winters In Mexico. 



627a. Western Warbling Vireo (y. g. swainsoni). 

 Similar to No. 67.7, hut averaging smaller, W. 2.6, the 

 bill more slender; upperparts, particularly crown, 

 grayer. 



Rflnge.-Westem United States, east to the Rockies: breeds from 

 Mexico to BrltlshColuDibla; winters In Mexico. 



631. White-eyed Vireo (^'/r^o noveboracensis) . L, 

 5; W. 2.4.; B, .4, /ids. Eye-ring and lores yellow; 

 iris white; above olivc-grccn more or less washed with 

 grayish; below white, sides yellowish; two whitish 

 wing-bars, hlotes. Calls, varied, often harsh and 

 scolding; song, an emphatic whistle who arej/on, eh? or 

 what's thatj/ou say?, and a low medley often including 



imitations of the notes of other birds. 



Range, — Eastern United States; breeds from Florida and Tcvas 

 north to New Hampshire and Minnesota; winters from Florida to Con- 

 tra! America. 



63 la. Key Weat Vireo {V. n. maynardi) . Similar 

 to No. 631, but bill heavier, sides averaging less yel- 

 low. 

 Range. — Southern Florida; resident. 



62lb. Bermuda White-eyed Vireo fK, «, bermud- 

 ianiis). Similar to Nn. 631, but wing shorter, 2.30; no 

 yellow on sides. (Bangs and Bradlee.) 

 Range.— Resident In Bermudas. 



63 Ic. Small White-eyed Vireo (K. n. micrus). 

 Smallerthan No. 631, W. 2.2; avcragini^ grayer above; 

 siJcs witii less yellow. 



Range. — Northeastern Mexico, north to southeastern Texas. 



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