Open Access Research Paper Views (766) Download (71) Avifaunal diversity of Bega Watershed, Prosperidad, Agusan del Sur, Philippines Donna Mariel T. Calimpong, Olga M. Nuñeza J. Bio. Env. Sci.6( 4), 385-400, April 2015. Key: BirdsEndemicHabitatsMigrantResident Details