The New International Encyclopædia/Swamp Warbler

SWAMP WARBLER. A large genus (Helminthophila) of American warblers (q.v.), so called because of their fondness for low, swampy places. They are small, trim, insect-catching migratory birds prevailingly gray or green and yellow in color, and most of them breed north of the United States and winter in the tropics. A good example is the &lsquo;golden-wing&rsquo; (Helminthophila chrysoptera), which is gray on the upper parts and white below, with the throat and auricular region black, and a conspicuous yellow patch on the wing.