Perching Birds Chiefly Gray, Black, or Black and White. 



734. Bridled Titmouse (Bceolophus 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 through 

 it; back gray; belly whitish. Notes. A hoarse, dee-dee- 

 dee, a two 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. Ads. Crown hair-brown, back a 

 more yellow brown; sides of head and neck grayish 

 white; throat black, belly white, sides rusty. Notes. 

 7 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. h. stoneyi). Similar 

 to No. 740, cut larger, W. 2.7. above grayer, crown 

 much paler. 



Range.— Kowak River region, Alaska. 



740b. Columbian Chickadee (P. h. columbianus) . 



Similar to No. 740, but grayer above, crown slaty-drab. 



Rtnge. Rocky Mountains from Montana northward; Kenai Pen- 

 insula, Alaska. 



— Canad'an Chickadee (P. h. littoralis). 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 ductus 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.) 

 74 I . Chestnut-backed Chickadee (Parus rufescens). 

 L. 4.6. Ads. Back and sides rusty chestnut, crown sooty 

 brown, throat black. Notes. A lisping the-the-the-te-te. 

 (Kobbe.) 



Range.— Pacific coast from Oregon to southern Alaska. 



741a. California Chickadee (p. r. neglectus). Sim- 

 ilar to No. 741, but with only a tinge of rusty on 

 flanks. 



R 1 nge.— "Coast of California from Monterey County northward."' 

 (A. O. U.) 



741b. Barlow Chickadee (P. r.barlowi). Similar 

 to No. 741a, but with no rusty on flanks. 



Range.— Vicinity of Monterey, California. 



244 



