Three-banded Warbler illustration
Birdsong field guide

Three-banded Warbler

Basileuterus trifasciatus

A small, active songbird of the Tumbesian region, characterized by its striking striped crown and bright yellow underparts.

What it sounds like

An accelerated series of thin, high-pitched 'tsee' notes that often terminate in a rapid trill.

Reference call, compare with what you heard
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Rec. Leonardo Ordóñez-Delgado · EcuadorCC BY-NC-NDXeno-canto

Field notes

  • It is a Tumbesian endemic, restricted to a narrow range in southwestern Ecuador and northwestern Peru.
  • The species name 'trifasciatus' refers to the three distinct dark stripes on its head: two lateral crown stripes and a transocular stripe.
  • Unlike many New World warblers, it is a non-migratory resident throughout its entire range.
  • It is primarily an insectivore, often seen gleaning prey from the undersides of leaves in the lower forest strata.
  • Two subspecies are currently recognized: B. t. nitidior in the north and the nominate B. t. trifasciatus in the south.
Habitat
Humid montane forests, deciduous woodlands, and dense secondary growth.
Range
Southwestern Ecuador and Northwestern Peru.

Similar & commonly confused birds

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