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♦ 1Animals of the Rainforest♦ 2FEEDING ECOLOGY OF THE PURPLE GALLINULE (Porphyrula martinica) IN THE CENTRAL LLANOS OF VENEZUELA, Zaida Tárano, Stuart Strahl and Juhani Ojasti, ECOTROPICOS 8(1-2): 53-61. 1995
♦ 3HABITOS DE DESPLAZAMIENTO Y DIETA DEL CAPIBARA (Hydrochoerus hydrochaeris) EN LA AMAZONIA COLOMBIANA, Maria C. Arteaga, Jeffrey P. Jorgenson, Mastozoología Neotropical, 14(1):11-17, Mendoza, 2007
♦ 4Feeding Habits of Capybaras (Hydrochoerus hydrochaeris, Linnaeus 1766), in the Ecological Reserve of Taim (ESEC - Taim) - South of Brazil, Lucélia do Valle Borges and Ioni Gonçalves Colares, Brazilian Archives of Biology and Technology, Vol.50, n. 3 : pp.409-416 May 2007
♦ 5del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.