Beautiful black-helmeted sparrow of forest understory. Contrasting black head, bright yellow bill, white throat and underparts, light gray mantle, yellow-green back and rump, gray wings and tail, and golden shoulders. Female has duller bill and buff-tinged underparts. Found alone or in pairs foraging in the understory of dry to humid forest and scrubby second growth. Vocalization is a high pitched “zeut, zeut, zeee.” The only totally black headed sparrow in its range. Found only in Colombia and Venezuela.