What is "langaha"

Langaha \Lan"ga*ha\, n. (Zo["o]l.) A curious colubriform snake of the genus Xyphorhynchus, from Madagascar. It is brownish red, and its nose is prolonged in the form of a sharp blade.

Langaha is a small genus of lamprophiid snakes from subfamily Pseudoxyrhophiinae that are endemic to Madagascar. There are three species in the genus: