Perching Birds Chiefly Gray, Black, or Black and White. 
735. Black-capped Chickadee (Parus atricapillus). 
L. 5.2; T. 2.5. Ads. Cap and throat black; back 
gray with a brownish tinge; outer margins of wing- 
coverts gravish white; flanks, cream buff. Notes. Chick- 
adee-dee, liquid gurgles and chuckling notes and a 
sweet, clearly whistled, phe-be or phe-be-e. 
Range.—Eastern North America; breeds from southern I!linois and 
Pennsylvania north to Labrador, and south along Alleghanies to 
North Carolina; migrates a short distance below its southern breed- 
ing limits. 
735a. Long-tailed Chickadee (P. a. septentrionalis). 
Similar to No. 735, but tail longer, 2.7, flanks paler, 
white edgings broader. 
Range.—Rocky Mountain region north to British Columbla; east to 
Manitoba and the Plains, 
_ 735b, Oregon Chickadee (P. a, occidentalis). Sim- 
ilar to No. 735, but much darker; flanks grayish. 
Range.—Pacific coast from northern California to Sitka. 
736. Carolina Chickadee (Parus carolinensts). Sim- 
ilar to No. 735, but smaller, L. 4.6; T. 2., the greater 
wing-coverts of margined with whitish. Notes. 
Whistle ‘‘tswee-dee, twsee-dee.”” 
Range.— Southeastern United States north to middle New Jersey, 
and southern Illinois; resident from southern New Jersey southward. 
736.a Plumbeous Chickadee (P. c. agil’s). Similar 
to No. 736, but paler above, whiter below. 
Range.—'‘Eastern and central Texas (Bee, Victoria, Cook, and 
Concho Counties, etc."’) (A. O. U.) 
737. Mexican Chickadee (Parus sclateri). Simi- 
lar to No. 735, but sides broadly gray like back, black 
more extended. Notes. A rapid, vigorous double- 
noted whistle repeated three times, wholly unlike that 
of the Chickadee. 
Range.—Mountalnous portions of the Mexican tableland north to 
southern Arizona. 
630. Black-capped Vireo (Vireo atricapillus). L. 
4.5. Ad. 3. Crown and cheeks shining black; lores 
and eye-ring white; back olive-green; below white, 
sides tinged with greenish yellow; two whitish wing- 
bars. Ad. 2. Similar, but black of head duller. 
Yng. “Top and sides of head dull grayish brown; 
lores, orbital ring and lower parts dull buffy white or 
pale buffy.”” (Ridgw.) Notes. “Of the general char- 
acter of the White-eye or belli type.’”’ (Bailey.) 
Range.—Breeds in central and western Texas; north to southern 
Kansas; winters in southern Mexico. 
