In the Southern States the bird becomes particularly neighborly, and is said to enter the streets and gardens of towns with a chippy's familiarity.
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Palm Warbler or Redpoll Warbler (Dendroica palmarum) differs from the preceding chiefly in its slightly smaller size, the more grayish-brown tint in its olive upper parts, and the uneven shade of yellow underneath that varies from clear yellow to soiled whitish. It is the Western counterpart of the yellow redpoll, and is most common in the Mississippi Valley. Strangely enough, however, it is this warbler, and not hypochrysea, that goes out of its way to winter in Florida, where it is abundant all winter.
Yellow Warbler
(Dendroica æstiva) Wood Warbler family
Called also: SUMMER YELLOWBIRD; GOLDEN WARBLER; YELLOW POLL
Length—4.75 to 5.2 inches. Over an inch shorter than the English sparrow.
Male—Upper parts olive-yellow, brightest on the crown; under parts bright yellow, streaked with reddish brown. Wings and tail dusky olive-brown, edged with yellow.
Female—Similar; but reddish-brown streakings less distinct.
Range—North America, except Southwestern States, where the prothonotary warbler reigns in its stead. Nests from Gulf States to Fur Countries. Winters south of the Gulf States, as far as northern parts of South America.
Migrations—May. September. Common summer resident.