Acadia National Park

Description  ADULT AND IMMATURE Have mostly dark olive-brown upperparts, including wings and tail. Note the long, bold supercilium that is an even width and buffy along its entire length. Underparts are whitish overall, with a yellow wash (variable in intensity); has bold dark streaks on throat and all areas of underparts, except undertail coverts. Legs are stout and dull pink.

Dimensions  Length: 6" (15 cm)

Habitat  Common summer visitor (mainly May-Aug) to wet habitats (bogs, streams, and rivers) in wooded regions. Winters in Central and northern South America.

Observation Tips  Unobtrusive but fairly easy to see. Found in waterside habitats, even on migration.

Range  Alaska, Northwest, Texas, Eastern Canada, Western Canada, Southeast, Great Lakes, New England, Mid-Atlantic, Florida, Plains, California, Rocky Mountains, Southwest

Voice  Song is a rich tu'et-tu'et-tu'et-tu'et tchu-tchu-tchu-tchu; call is a thin, sharp tzip.

Discussion  Well-marked, rather atypical warbler. Often found near water, typically foraging along muddy margins, constantly pumping tail up and down. Similar to Louisiana, but see that species' description for separation details. Sexes are similar.