Nightingale reed-warbler

Description

The reed warbler ( Acrocephalus luscinius ) is an extinct species of passerine bird of the family Acrocephalidae endemic to the island of Guam.His name in Chamorro is Ga`ga` karisu (bird of the reeds).Previously it is considered conspecific of the warbler of Pagán,the reed warbler of Aguiján and the reed warbler of Saipan,but at present they are considered separate species.