Attributes / relations provided by
♦ 1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 2The Diet of the Glossy Ibis During the Breeding Season in Doñana, Southwest Spain, Mercedes Macías, Andy J. Green and Marta I. Sánchez, Waterbirds 27(2): 234-239. 2004