Kepler, A. (1992). Report on Terrestrial Flora and Fauna, Southwest Palau Islands Expedition, June 1-19, 1992. The Nature Conservancy: Koror, Palau. Publication Year 1992 Colonies Surveyed (6) Palau EEZ - Colony: Tobi Island View Colony Palau EEZ - Colony: Sonsorol Islands View Colony Palau EEZ - Colony: Merir View Colony Palau EEZ - Colony: Helen Island View Colony Palau EEZ - Colony: Fanna Island View Colony Palau EEZ - Colony: Anna Island View Colony