The Yellow TyrannuletCapsiempis flaveola, is a very small bird in the tyrant flycatcher family. It breeds fromNicaragua south to northeastern Argentina and southeastern Brazil. It is the only member of the genus Capsiempis, but its taxonomy is uncertain, and it has been allocated to at least three other genera in the past. This species is found in thickets, forest and streamside edges, dense second growth, and bushy pastures or clearings.