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♦ ¹IDENTIFYING DIURNAL AND NOCTURNAL FRUGIVORES IN THE TERRESTRIAL AND ARBOREAL LAYERS OF A TROPICAL RAIN FOREST IN SRI LANKA, Palitha Jayasekara, Udayani Rose Weerasinghe, Siril Wijesundara & Seiki Takatsuki, ECOTROPICA 13: 7–15, 2007
♦ ²del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ³"Fig-eating by vertebrate frugivores: a global review", MIKE SHANAHAN, SAMSON SO, STEPHEN G. COMPTON and RICHARD CORLETT, Biol. Rev. (2001), 76, pp. 529–572