Attributes / relations provided by
♦ ¹FEEDING 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
♦ 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.