WARBLING ANTBIRD

The 'Warbling Antbird' ('''Hypocnemis cantator''') is a species of bird in the Thamnophilidae family.
It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela.
Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical swamps, and heavily degraded former forest.
Recent work has documented distinctive vocal differences within this group, suggesting it would be appropriate to split it into six species:

★ Guianan Warbling-Antbird (''Hypocnemis cantator'', with subspecies ''notaeae'').

★ Imeri Warbling-Antbird (''Hypocnemis flavescens'', with subspecies ''perflava'').

★ Peruvian Warbling-Antbird (''Hypocnemis peruviana'', with subspecies ''saturata'').

★ Yellow-breasted Warbling-Antbird (''Hypocnemis subflava'', with subspecies ''collinsi'').

★ Rondonia Warbling-Antbird (''Hypocnemis ochrogyna'').

★ Spix's Warbling-Antbird (''Hypocnemis striata'', with subspecies ''implicata'' and ''affinis'').
These are almost entirely allopatric (separated by major rivers), although ''H. cantator'' and ''H. flavescens'' are locally parapatric and limited sympatry has been documented between ''H. peruviana'' and ''H. subflava''.

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Source

★ BirdLife International 2004. Hypocnemis cantator. 2006 IUCN Red List of Threatened Species. Downloaded on 26 July 2007.

★ Isler, M., P. Isler, and B. Whitney (2007). ''Species limits in Antbirds (Thamnophilidae): The Warbling Antbird (Hypocnemis cantator) complex.'' Auk 124(1): 11-28.