Appert's Tetraka - Appert's Tetraka or Appert's Greenbul is a small passerine bird endemic to the south-west of Madagascar. The species was only described in 1972, and has been the subject of considerable taxonomic confusion. It was initially placed in the greenbul genus Phyllastrephus, and later with the Old World warblers in the genus Bernieria. Recent research indicates it is part of an endemic Malagasy radiation currently known as the Malagasy warblers .
Bernieria cinereiceps - The Grey-crowned Tetraka or Grey-crowned Greenbul is a species of Old World warbler in the Sylviidae family. It is found only in eastern and northern Madagascar. Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss.
Bernieria madagascariensis - The Long-billed Bernieria , formerly known as Long-billed Greenbul, is a songbird species endemic to Madagascar. It was initially considered a greenbul, and later with the Old World warbler. Recent research indicates it is part of an endemic Malagasy radiation currently known as the Malagasy warblers, which have not received a scientific name yet.
Bernieria tenebrosa - The Dusky Greenbul is a species of Old World warbler in the Sylviidae family. It is found only in Madagascar. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.