White-bearded antshrike

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White-bearded antshrike
Biatas nigropectus Kristina Cockle.jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Thamnophilidae
Genus: Biatas
Cabanis & Heine, 1859
Species: B. nigropectus
Binomial name
Biatas nigropectus
(Lafresnaye, 1850)

The white-bearded antshrike (Biatas nigropectus) is a species of bird in the family Thamnophilidae, the only member of the genus Biatas. It is endemic to the Atlantic forest of Argentina and Brazil.

The white-bearded antshrike is a bamboo specialist. It is threatened by habitat loss.


In Argentina, the white-bearded antshrike has been found only in Guadua bamboo, especially yatevo (Guadua trinii).[2] It feeds on insects that it gleans from bamboo. It is a cryptic species that rarely sings so very little is known about its ecology.[2]


The white-bearded antshrike is globally Vulnerable.[1][3] The main threat to this species is habitat loss from clearing of bamboo.


  1. ^ a b BirdLife International (2012). "Biatas nigropectus". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013. 
  2. ^ a b Bodrati, A. & K. Cockle. 2006. Habitat, distribution, and conservation of Atlantic forest birds in Argentina: Notes on nine rare or threatened species. Ornitologia Neotropical 17: 243-258.
  3. ^ BirdLife International. 2004. BirdLife Species Factsheet.

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