Sites - Important Bird and Biodiversity Areas (IBAs)
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Western Ridge, Babeldaob
134o 33.00' East 7o 34.00' North
Year of IBA assessment
Palau Conservation Society
Site description This IBA includes the block of forest spanning a portion of west Babeldaob. It includes a strip of northern Ngaremlengui and southern Ngardmau that parallels the major river of the Diongradid watershed. The boundary of the Western Ridge IBA follows river tributaries to the north and south, the edge of the mangroves to the west, and the Compact Road to the east. A small section in the northeast boundary was redrawn to be consistent with boundaries of the proposed Ngardmau Free Trade Zone.
Key Biodiversity All of Palau’s restricted-range bird species, with the exception of the Giant White-eye, are found in the Western Ridge IBA.
Non-bird biodiversity: The Western Ridge IBA consists of volcanic upland forest, both primary and secondary. It also captures swamp forests, grasslands and savannas as well as freshwater streams and riverine areas. These habitats are home to many of Babeldaob’s native flora and fauna.