Perching Birds Chiefly Gray, Black, or Black and White 



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611. Purple Martin (Progne subis} . L. 7.8. Ad. 

 . Shining blue-black, all feathers with dusky 

 ses. Ad. 9- Above dull blue-black; breast gray- 

 ish edged with white; belly whitish. Yng. <$. Var- 

 iously intermediate between 9 and Ad. <?. 



Range. North America, except Pacific coast; breeds north to New- 

 foundland and the Saskatchewan; winters in tropics. 



61 la. Western Martin (P. s. hesperia). tf similar 

 to cf of No. 611; ? belly whiter; forehead grayish. 



Range. Pacific coast from northern Lower California to Washing- 

 ton (and British Columbia?); winters in tropics. 



61 I.I. Cuban Martin (Progne cryptoleuca). W. 5.50. 

 Ad. (^. With feathers of ventral region basally mark- 

 ed with white. Ad. 9 and Yng. tf. With breast 

 and flanks sooty grayish brown, belly pure white. 



Range. Cuba, north in spring to southern Florida. 



612. Cliff Swallow (Petrochelidon lunifrons}. L. 

 5.5. Ads. Throat chestnut, forehead and rump cin- 

 namon-buff; nape gray; crown and back glossy blue- 

 black, the back streaked with white. Yng. Throat 

 dusky, often mixed with chestnut; back blackish 

 brown; rump cinnamon-buff, forehead usually with 

 same. * 



Range. "North America, north to the limit of trees, breeding 

 southto the valleys of the Potomac and Ohio, southern Texas, 

 southern Arizona, and California; Central and South America in win- 

 ter; not recorded from Florida or West Indies." (A. O. U.) 



612.2. Mexican Cliff Swallow (Petrochelidon me- 

 lanogastra}. Similar to No. 612, but smaller, W. 4.1, 

 forehead deeper, usually chestnut, like throat, rump 

 darker, more rusty. 



Range. Mexico, north to southern Arizona. 



613. Barn Swallow (Hirundo erythrogastra} . L. 

 CM 7-5; 9,6.5. Tail deeply forked. Ad.tf. Above 

 glossy blue-black, forehead chestnut: throat and upper 

 breast chestnut, belly paler. Ad. y. Forehead, and 

 underparts paler; tail less deeply forked. Notes. Song, 

 a sweet, twittering, warbling song. (The notes of all 

 our Swallows, while simple, are dignostic but difficult 

 of description.) 



Range. North America, north to Greenland and Alaska; breeds 

 through most of range; winters south to southern Brazil. 



614. Tree Swallow (Iridoprocne bicolor}. L. 6. 

 Ads. Above steel-blue or steel-green; below white. 

 Yng. Sooty gray above; white below. 



Range. North America; breeds locally from Lat. 41 on Atlantic 

 coast and Lat. 38 on Pacific coast north to Labrador and Alaska; 

 winters from South Carolina and southern California to the tropics. 



615. Northern Violet-Green Swallow (Tachycintta 

 thalassina lepida) . L. 5.2; W. 4.5. Ad. tf. Above 

 bronze-green; upper tail-coverts greener; an indistinct 

 nape-ring; mark above eye, cheeks and underparts 

 white; flank-patches white, often showing from above. 

 Ad. 9- Much duller, the head browner, Yng. 

 Above brownish sooty with a greenish tinge; a whit- 

 ish mark'above and behind eye; below white. 



Range. Western United States, from eastern base of Rockies to 

 Pacific; breeds from Mexico north to British Columbia; winters in 

 Mexico and Central America. 



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