The Rondônia warbling antbird (''Hypocnemis ochrogyna'') is a species of

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...

in the family

Thamnophilidae The antbirds are a large passerine bird family, Thamnophilidae, found across subtropical and tropical Central and South America, from Mexico to Argentina. There are more than 230 species, known variously as antshrikes, antwrens, antvireos, fire ...

. Until recently, it was considered a subspecies of the Guianan warbling antbird ('' Hypocnemis cantator''), but based on vocal differences and to a lesser degree differences in plumages they are now treated as separate species. As presently defined, the Rondonia warbling antbird is

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

. It is found at lower levels in humid forest and woodland in the

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

ian states of Mato Grosso and Rondônia, and adjacent north-eastern Bolivia.

References

* Zimmer & Isler. 2003. ''Hypocnemis cantator'' (Warbling Antbird). Pp. 645 in del Hoyo, Elliott, & Christie. 2003. ''Handbook of the Birds of the World.'' Vol. 8. Broadbills to Tapaculos. Lynx Edictions. Barcelona. {{Taxonbar, from=Q1271917 Rondônia warbling antbird Birds of the Brazilian Amazon Birds of the Bolivian Amazon Rondônia warbling antbird Rondônia warbling antbird