セミドリフウキンチョウ Thlypopsis ruficeps

Small, bright yellow tanager of middle and high elevations. Males have a rusty orange head, while females have only a hint of rusty color, and immatures are plain yellow. Forages low in the understory and mid-story of a variety of habitats, from humid montane forest to forest edges and high-elevation scrub. Often found in pairs or small groups, and frequently joins mixed-species flocks with other tanagers.