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.
♦ ²Stay below water! - A Strategy to avoid Seed Predators - Seed Survival and Germination of Mauritia flexuosa in Southeastern Peru, Björn Johansson, Master Thesis, Linköpings universitet, 2009