AMEKICAN WARBLERS. 453 



512. PARULA WARBLER. 



Small, 4.75, blue above and on side of 

 head; throat and breast, yellow, the latter 

 with a band of blue and chestnut. Female, 

 duller. Breeds from Va. southward to Gulf 

 States; winters in Fla., south in Aug. and 

 Sept., north in April and May. Frequents 

 woodlands and builds its nest in ^'Spanish 

 Moss." Yery active. 



513. NORTHERN PARULA 



WARBLER. 



Differs from last in being larger, darker, 

 more chestnut below, especially on sides, 

 fig. 358. Breeds from Ya. north to Canada, 

 but confined to those places where the long 

 usnea grows for in it the birds nest. Occurs 

 everywhere in migration. Song, a vehe- 

 mently uttered, siuee sivee sivee swee swee 

 swee-zee. the last two syllables being given 

 quickly, the last ascending; these are some- 

 times ommitted. 



