Spotted Antbird Hylophylax naevioides

Stunning antbird, small and boldly patterned. Rotund and short-tailed. Male has white belly with band of black spots across chest, gray head, and rufous back. Female more washed out, but similar pattern. Usually seen singly or in pairs in understory of forest, often following a mixed flock or army ant swarm. Stuttered song is a series of slightly wheezy whistles, descending in pitch.