659. Dendroica pensylvanica 
CHESTNUT-SIDED WARBLER. $5 inches 
Male. Above black and gray, streaked; crown yellow ; black line 
over eye; white patch under eye; wing bars yellowish, tail spots 
white. Below white; szdes chestnut. Female. Similar, but colors 
duller. 
A bird of the scrub and swampy open woodlands. Common in 
Massachusetts. Arrives about May 5. 
Song. Five or six musicai notes, suggesting the Yellow Warbler. 
Nest. In low, dry scrub. 
Breeds. Throughout New England. 
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