652. Dendroica aestiva 
YELLOW WARBLER. 5 inches 
Male. Above yellow. Below bright yellow, with streaks of 
chestnut on the breast. Female. Similar, chestnut streaks indis- 
tinct or wanting. 
Suggests a Canary, but has a small dark bill. Commonest of the 
warblers, known as Summer Yellowbird. Arrives in Massachusetts 
about May 1. 
Song. Loud, nervous and continuous sweet, sqweet, sweet-ee'. 
Nest. Inashrub, closely built of plant down and grasses. 
Breeds. Throughout New England, local in the northern part. 
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