Typical Antbirds (Thamnophilidae)

Yellow-throated Antwren (Myrmotherula ambigua) - HBW 8, p. 580

French: Myrmidon à gorge jaune German: Gelbkehl-Ameisenschlüpfer Spanish: Hormiguerito Gorgiamarillo

Taxonomy: Myrmotherula ambigua J. T. Zimmer, 1932, Mount Duida, 500 feet [c. 150 m], Amazonas, Venezuela.
Forms a superspecies with M. sclateri. Genetic and morphological analyses indicate that both are part of a monophyletic group that also includes M. brachyura, M. ignota, M. surinamensis, M. multostriata, M. pacifica, M. cherriei, M. klagesi and M. longicauda (the “streaked antwren assemblage”). Monotypic.

Distribution: SW Venezuela (S Amazonas), extreme E Colombia (Guainía, Vaupés) and NW Brazil (upper R Negro region E to NC Roraima and S to Jaú).