Nesotriccus tumbezanus
The Tumbesian Tyrannulet (Nesotriccus tumbezanus) is a diminutive and often inconspicuous passerine bird belonging to the large Tyrannidae family, or New World flycatchers. Measuring approximately 12-13 cm in length and weighing around 8-10 grams, this small flycatcher exhibits a rather plain plumage. Its upperparts are a dull olive-gray, contrasting subtly with whitish underparts that often feature a pale yellowish wash on the flanks and vent. While some individuals may show faint whitish wi...
This species primarily inhabits arid and semi-arid dry deciduous forests, thorny scrublands, and shrubby areas. It is typically found at low elevations, generally below 1,000 meters above sea level.
The Tumbesian Tyrannulet is primarily insectivorous, feeding on small arthropods such as beetles, flies, and caterpillars. Its main foraging method involves sally-gleaning from foliage and short aerial sallies.
Tumbesian Tyrannulets are diurnal birds, spending their days actively foraging among the foliage of trees and shrubs, often in the mid-story. Their primary foraging strategy is "sally-gleaning," where they make short, quick flights from a perch to snatch insects from leaves, twigs, or sometimes i...
The Tumbesian Tyrannulet is a strictly resident species, found exclusively in the Tumbesian dry forest ecoregion along the Pacific coast of southwestern Ecuador and northwestern Peru. In Ecuador, its distribution extends from Manabí south through Guayas and El Oro provinces. In Peru, it occurs pr...
Least Concern
- The Tumbesian Tyrannulet is an endemic species, meaning it is found naturally in only one specific geographic area: the Tumbesian Dry Forest ecoregion of Ecuador and Peru. - Despite its "tyrannulet" moniker, which implies a small tyrant flycatcher, its vocalizations are notably quiet and unasse...