Pseudocolopteryx flaviventris
The Warbling Doradito, *Pseudocolopteryx flaviventris*, is a diminutive and often elusive member of the Tyrannidae family, boasting a vibrant butter-yellow underside that gives it its Spanish name "doradito" (little golden one). Measuring typically 10.5-12 cm (4.1-4.7 in) in length and weighing a mere 7-9 g (0.25-0.32 oz), it presents an olive-green back, dark wings with two pale yellowish-white wingbars, and a relatively short tail. Its most distinctive field mark is undoubtedly its bright y...
Found primarily in dense emergent aquatic vegetation, such as reeds, sedges, and tall grasses, within marshes, swamps, and along the edges of rivers and lakes, from sea level up to approximately 1000 meters.
Exclusively insectivorous, feeding on a variety of small insects and spiders, typically gleaned from vegetation or caught in short aerial pursuits.
Warbling Doraditos are diurnal birds, typically active from dawn to dusk, often remaining hidden deep within dense marsh vegetation. Their foraging strategy involves gleaning small insects and spiders from leaves and stems, usually close to the water, occasionally making short, agile aerial salli...
The Warbling Doradito is an austral migrant, with its primary breeding range encompassing central and northern Argentina, Uruguay, and southern Brazil, extending westward into parts of Paraguay and southeastern Bolivia. Following the breeding season, southern populations migrate northward, spread...
Least Concern
- The name "Doradito" means "little golden one" in Spanish, a perfect descriptor for its brilliant yellow underparts. - Despite being a 'tyrant flycatcher,' its complex, warbling song is unusually melodious and un-flycatcher-like, making it a challenge to identify by sound for those unfamiliar wi...