FAM. VII. WOOD WARBLERS 



93 



frequently perches on low limbs and sings its clear, whist- 

 ling notes. 



Length, 5^r; wing, 2.^ (2i-2^); tail, 2 ; tarsus, i ; culmen, f. North 

 America, from the Plains eastward ; breeding from the mountains of Penn- 

 sylvania and northern Michigan northward, and wintering south of the 

 United States to northern South America. 



35. Maryland Yellow-throat (681. Gedthlypis trichas). — A 

 bright, yellow-breasted, olive-green-backed warbler, with a 

 peculiar, distinctly out- 

 lined, black mask across 

 the forehead and over 

 the cheeks; wings and 

 tail short and unmarked. 

 Female with less distinct 

 mask, and sometimes 

 none. This is a com- 

 m o n, b u s h - 1 i V i n g, 

 sprightly bird, which 

 chirps and sings through- 

 out the summer. 



Maryland Yellow-throat 



Length, 5; wing, 2i (1|- ^ 



2i) ; tail, 2 ; tarsus, J ; cul- 

 men, |. Eastern United 

 States ; breeding from Geor- 

 gia to southern Labrador, and wintering in the South Atlantic States to 

 Central America (even as far north as Massachusetts). The Florida 

 Yellow-throat (081'». G. t. ignota) has the under parts a deeper yellow, 

 the upper parts browner, and the black mask larger. Florida and Georgia. 

 The Western Yellow-throat (681*. Cr. t. ocvidentalis) is a larger and 

 brighter colored bird, the bright yellow of the breast extending almost 

 to the anal regions, and the black mask bordered behind by a grayish 

 white band. The wings and tail are each about 2^ long. From the 

 Mississippi Valley to the Pacific coast. 



36. Yellow-breasted Chat (683. Icth-ia virens). — A large, 

 bright-yellow-breasted, white-bellied, olive-green-backed bird, 

 with a white line over the eye, no wing bars, and a stout 

 bill. This is a bright-colored, noisy dweller of bushy thickets, 

 much more readily heard than seen. Its notes are indescrib- 



