What is "white-bearded antshrike"

n. A passerine bird of the antbird family, (taxlink Biatas nigropectus species noshow=1).

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.