Perching Birds Marked With Blue. 



658. Cerulean Warbler {Dendroica ccerula). L. 5. 

 Ad. tf. A gray-blue breast band; above bright gray- 

 blue streaked with black; wing-bars and spots in tail 

 white. Ad. $ and Yng. tf. Above blue-gray washed 

 with greenish, below yellowish white; a whitish line 

 over eye. Notes. Call, a warbler lisp and tchip of the 

 Myrtle Warbler; song resembling that of Parula 

 Warbler. (Brewster.) (See page 180.) 



Range. — Mississippi Valley, breeding- north to Minnesota and east 

 to Cayuga County, New York, Maryland, and West Virginia; gener- 

 ally rare east of Alleghanies; migrates south through Texas and 

 winters in Central and South America. 



597. Blue Grosbeak (Guiraca ccerulea). L. 7; W. 

 3.4. Ad. rj\ Deep, dark blue, back blacker and 

 sometimes with brownish edgings; lesser wing-coverts 

 broadly, greater wins-coverts narrowly tipped with 

 cnestnut. In winter more or less tipped with brown- 

 ish above and below. Ad. 9. Above grayish brown, 

 deepest on head; below grayish white washed with 

 buffy: wing-bars buff. .Some specimens show more or 

 less blue, particularly about head. Yng. $. Like $, 

 but browner. Notes. Call, a strong, harsh, ptchick; 

 song, a beautiful but feeble warble, somewhat like 

 that of Purple Finch and with a slight resemblance to 

 that of Rose-breasted Grosbeak. (Ridgw.) 



Range. — Eastern United States; breeds from the Gulf north to 

 Maryland and southern Illinois; winters south of United States into 

 Mexico and Central America; casually north as far as Maine and 

 Quebec. 



597a. Western Blue Grosbeak {G. c. la^ula). Sim- 

 ilar to No. 597, but larger, W. 3.6; male brighter blue; 

 back blacker; tips of wing-coverts paler, those of greater 

 coverts usually decidedly paler than those of lesser 

 coverts and averaging wider than those of No. 597. 

 Female averaging paler, less brown. 



Range. — Western United States; breeds from Mexico north to 

 Kansas, southern Nebraska, Colorado, and northern California; 

 •winters in Mexico and Central America. 



K 598. Indigo Bunting {Cyanospi^a cyanea). L. 5.4. 

 Nx) white wing-bars. Ad. <^. Deep blue, darkest 

 on head. In winter brown, paler below, more or less 

 mixed with blue. Ad. £. Above brown; below 

 whitish washed with brown with a suggestion of streaks; 

 lesser wing-coverts and margins of tail-feathers usually 

 tinged with blue. Yng. Similar to 9 but below more 

 streaked; browner, and generally without blue tinge. 

 Notes. Call, a sharp pit; song, a tinkling, unsympa- 

 thetic, rapid warble, July, July, summer-summer 1 s here; 

 morning, noontide, evening, list to me. 



Range. — Eastern United States, west to the Plains, casually to Col- 

 orado; breeds north to Nova Scotia and Manitoba; winters in Central 

 America. 



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