Geothlypis speciosa
The Black-polled Yellowthroat, *Geothlypis speciosa*, is a truly striking and highly localized New World warbler, endemic to the freshwater marshes of central Mexico. Males are instantly recognizable by their brilliant yellow underparts and olive-green back, crowned with a distinctive glossy black "poll" or cap that extends from the forehead to the nape, contrasting sharply with a bright yellow supraloral stripe and a dark facial mask. Measuring about 13-14 cm (5-5.5 inches), females present ...
Found in dense emergent vegetation of freshwater marshes, reedbeds, and cattail swamps, typically near open water, from low elevations up to around 2000 meters.
Feeds primarily on insects and other small invertebrates, which it gleans actively from marsh vegetation.
The Black-polled Yellowthroat is a largely diurnal species, though its skulking nature in dense marsh vegetation often makes it challenging to observe. Males are highly territorial during the breeding season, vigorously defending their patch with a vibrant, complex song delivered from prominent p...
The Black-polled Yellowthroat is entirely endemic to the Trans-Mexican Volcanic Belt in central Mexico. Its distribution is highly fragmented, with populations concentrated in specific freshwater marshes, reedbeds, and cattail swamps. Key areas include parts of Michoacán, the State of Mexico, and...
Endangered
- The Black-polled Yellowthroat is one of the most geographically restricted and endangered warblers in the world, found only in a small region of central Mexico. - Its scientific name, *speciosa*, means "showy" or "beautiful," a fitting description for the male's striking black and yellow plumag...