Black-polled Yellowthroat illustration
Birdsong field guide

Black-polled Yellowthroat

Geothlypis speciosa

The Black-polled Yellowthroat is an endangered, non-migratory New World warbler endemic to the high-altitude freshwater marshes of central Mexico.

What it sounds like

A raspy, rhythmic 'wich-i-ty wich-i-ty wich-i-ty' song, notably lower and huskier than the song of the Common Yellowthroat.

Reference call, compare with what you heard
0:00 / 0:32
Rec. Alán Palacios · MexicoCC BY-NC-SAXeno-canto

Field notes

  • It is classified as Endangered by the IUCN due to severe habitat fragmentation and water diversion in the Lerma River basin.
  • Adult males are distinguished by a broad black facial mask that lacks the pale gray or white border typically seen in the Common Yellowthroat.
  • This species is a dietary specialist, foraging primarily for insects and small invertebrates within dense marsh vegetation.
  • It is a year-round resident of its restricted range, making it highly vulnerable to localized environmental changes.
  • Nesting occurs almost exclusively in clumps of dried Scirpus (bulrush) and Typha (cattail) reeds just above the water level.
Habitat
High-altitude freshwater marshes and wetlands dominated by dense emergent vegetation.
Range
The Trans-Mexican Volcanic Belt of central Mexico, specifically the Upper Lerma River and associated highlands.

Similar & commonly confused birds

Heard a Black-polled Yellowthroat?

Open Birdsong, tap record, and identify the bird singing near you in seconds — then collect it in your field journal.

Identify a bird by its song