The Yellow-bellied "pitajo" (Ochthoeca diadema) is a bird species in the Passeriformes order and Tyrannidae family. It measures 12.2 cm (4.7 inches) in length. It has a thick, short, thin beak. In general it is olive with a yellow ocher in front and a long yellow eyebrow. It has wings of dark color and a tail with two reddish bars. It is found mainly in Colombia, Ecuador, Peru and Venezuela. It feeds two in two apart and hunt near the ground in the foliage.