The Long-billed Bernieria (Bernieria madagascariensis), formerly known as Long-billed Greenbul and sometimes as Common Tetraka or Long-billed Tetraka, is a songbird

Songbird

A songbird is a bird belonging to the suborder Passeri of the perching birds . Another name that is sometimes seen as scientific or vernacular name is Oscines, from Latin oscen, "a songbird"...

 species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 endemic to Madagascar

Madagascar

The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...

. It was initially considered a greenbul

Greenbul

The greenbuls and bristlebills are a group of birds within the bulbul family Pycnonotidae, found only within Africa. They are all largely drab olive-green above, and paler below, with few distinguishing features....

, and later with the Old World warbler

Old World warbler

The "Old World Warblers" is the name used to describe a large group of birds formerly grouped together in the bird family Sylviidae. The family held over 400 species in over 70 genera, and were the source of much taxonomic confusion. Two families were split out initially, the cisticolas into...

s. Recent research indicates it is part of an endemic Malagasy radiation currently known as the Malagasy warbler

Malagasy warbler

The Malagasy warblers are a newly validated clade of songbirds. They were formally named Bernieridae in 2010. The family consists of ten species of small forest birds and is endemic to Madagascar....

s, which have not received a scientific name yet.

This is at present the only species remaining in the genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 Bernieria. Its presumed relatives are not as closely related as was once believed and have been restored to the old genus Xanthomixis

Xanthomixis

Xanthomixis is a genus of birds in the Malagasy warbler family Bernieridae. It contains the tetrakas.-Species:*Appert's Tetraka, Xanthomixis apperti*Grey-crowned Tetraka, Xanthomixis cinereiceps*Dusky Tetraka, Xanthomixis tenebrosa...

.

Its natural habitat

Habitat

* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

 is subtropical or tropical moist lowland forest

Forest

A forest, also referred to as a wood or the woods, is an area with a high density of trees. As with cities, depending where you are in the world, what is considered a forest may vary significantly in size and have various classification according to how and what of the forest is composed...

s.