Perching Birds Chiefly Gray, Black, or Black and White. 
734. Bridled Titmouse (Beolophus wollweberi), 
L. 5.2. Ads. Head crested, black and gray; throat 
black; hind neck with a white band bounded by black; 
back olive-gray; below whitish. Notes. Chickadee- 
like but fainter. (Henshaw. ) 
Range.—Tableland of Mexico north to western Texas and southern 
Arizona. 
738. Mountain Chickadee (Parus gambeli). L.5.5. 
Ads. A white line over the eye and a black throug 
it; back gray; belly whitish. Notes. A hoarse, dee-dee- 
dee, atwo or three-noted phe-be whistle exactly like 
that of the Chickadee and an exceedingly sweet three- 
noted whistle of regular intervals, d, c, a. _ 
Range.—'‘Mountainous portions of the western United States from 
the eastern base of the Rocky Mountains to the Sierra Nevada, north 
to British Columbia, Idaho, etc., and south to northern Lower Cal- 
ifornia.”” (A, O. U.) 
740. Hudsonian Chickadee (Parus hudsonicus). 
L. 5.2; W. 2.6. dds. Crown hair-brown, back a 
more yellow brown; sides of head and neck grayish 
white; throat black, belly white, sides rusty. Notes. 
T scha-dee-dee-dee-dee, the dee-dee notes repeated with 
almost incessant volubility. (Brewer. ) 
Range.—British America, from the west side of Hudson Bay north- 
westward to the Lower Yukon. 
740a. Kowak Chickadee (P. b. stoneyi). Similar 
to No. 740, But larger, W. 2.7, above grayer, crown 
much paler. 
Range.—Kowak River region, Alaska. 
740b. Columbian Chickadee (P. 2. columbianus). 
Similar to No. 740, but grayer above, crown slaty-drab. 
Range. Rocky Mountains from Montana northward; Kenai Pen- 
insula, Alaska. 
—Canadian Chickadee (P. b. I:ttoralis). Similar to 
No. 740, but smaller, W. 2.5, crown duller brown. 
Range.—British America east and south of Hudson Bay; northern 
New York, northern New England, New Brunswick, Nova Scotia. 
739. Alaskan Chickadee (Parus cinctus alascensis). | 
L. 5.2. Ads. Crown brown, back brighter; sides of 
head and neck pure white; throat blackish; belly whit- ‘ 
ish, sides buffy. ; 
Range.—'‘Northern Alaska and eastern Siberia.”’ (A. O. U.) 
741. Chestnut-backed Chickadee (Parus rufescens). 
L, 4.6. Ads. Back and sides rusty chestnut, crown sooty 
brown, throatblack. Notes. A lisping the-the-the-te-te. 
(Kobbe.) . 
Range.—Pacific coast from Oregon to southern Alaska. 
74a. California Chickadee (P. r. neglectus). Sim- i 
ilar to No. 741, but with only a tinge of rusty on 
flanks. 
ee Roe of California from Monterey County northward.” : 
741b. Barlow Chickadee (P. 7. barlow:). Similar Fl 
to Inu. 741a, but with wo rusty on flanks, 
Range.—Vicinity of Monterey, California. 
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