Garrett's Reed Warbler (Acrocephalus musae) is an extinct species of songbird that was endemic to Raiatea and Huahine in the Society Islands. It is a part of the family Arcocephalidae, also called the marsh warblers. It had two subspecies, One for each island it was endemic to. Both subspecies became extinct at uncertain times most likely due to human causes, Other than that not much is known about the bird.