The Yellow-rumped Warbler is one of the most common warblers in North America. Other warblers have dark-streaked, blue-grey upper parts and bright yellow rump. Head is black with yellow crown, white eye-rings, and faint eye stripes. Wings are dark with yellow shoulder patches and two white bars. Tail is dark with white corners. Juvenile resembles female but lacks yellow crown, shoulder patches, and tail markings.
This is the only warbler able to digest the waxes found in bayberries and wax myrtles. Its ability to use these fruits allows it to winter farther north than other warblers, sometimes as far north as Newfoundland.
Photographed in the wild, Naples, FL
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