Acrocephalus orientalis (Oriental Reed Warbler) is a species of birds in the family Acrocephalidae. They are found in the palearctic, australasia, and the indo-malayan realm.
Definition: The largest scale biogeographic division of the earth's surface based on the historic and evolutionary distribution patterns of plants and animals.
Definition: A grassland biome is a terrestrial biome which includes, across its entire spatial extent, an unbroken layer of grasses (Gramineae), sedges (Cyperaceae) or rushes (Juncaceae).
