Other Names: none
Distribution: boreal forests of Canada in summer; southeastern coasts of the United States and the Caribbean in winter.
Size: 12-14 cm in length with a 20-21 cm wingspan.
Plumage: Generally olive-drab with a bright olive rump and bright yellow undertail coverts. The undersides may vary from yellow to off-white, depending on age and region. In spring, adults have a rufous cap. The legs, beak, and eyes are black.