Acadia National Park

Description  SPRING MALE Has olive-yellow upperparts (except side of neck), palest on rump; note the white wing patch (greater coverts). Face is yellowish overall, but with chestnut ear coverts and yellow supercilium. Underparts are mostly yellowish, with bold dark streaks; grades to white on undertail. SPRING FEMALE Recalls adult male, but less colorful with olive ear coverts, and two white wing bars. FALL ADULT Duller than spring counterparts, male typically without chestnut ear coverts. IMMATURES Recall fall adults of respective sex, but with yellow elements of plumage even duller; female is grayish overall.

Dimensions  Length: 5" (13 cm)

Habitat  Common summer visitor (mainly May-Aug) to boreal forests. Winters in Caribbean.

Observation Tips  Easy to see.

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

Voice  Song is a piping: peeoo-peeoo-peeooÖ; call is a sharp tzip.

Discussion  Well-marked wood-warbler. Often feeds high in foliage. Pale yellow patch on side of neck is a useful field mark (combined with other plumage features); least obvious in immatures. Sexes are dissimilar.