Scientific Name: Oreothlypis peregrina
Population Estimate: 60M
Range / Habitat: Breeds in the Canadian boreal forest. Winters in Central American through northwestern South America and many Caribbean islands.
Field Notes: Small passerine with thin, pointed bill. Olive back, white underparts, including undertail coverts. Grey head with white eyebrow, thin dark eye stripe, and white malar area.
Personal Notes: Seen at Manuel Antonio, Costa Rica