Attributes / relations provided by
♦ 1Cheke, AS and Jones, CG 1987. Measurements and weights of the surviving endemic birds of the Mascarenes and their eggs. In Diamond. AW (ed.). Studies of Mascarene Island birds, pp. 403-422. Cambridge, Cambridge University Press
♦ 2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014.
EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 3del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.