ClipArt ETC
The head of a Kentucky Warbler.

Kentucky Warbler

The head of a Kentucky Warbler.

"Kentucky Warbler. Oporornis formosus. Clear olive-green; entire under parts bright yellow, olive-shaded along sides; crown black, separated by a rich yellow superciliary line(which curls around the eye behind) from a broad black bar running form bill below eye thence down the side of the neck; wings and tail unmarked, glossed with olive; feet flesh-colored." Elliot Coues, 1884

Kentucky Warbler

"Kentucky Warbler. Oporornis formosus. Clear olive-green; entire under parts bright yellow, olive-shaded…