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.
♦ ²Ecology of Highly Venomous Snakes: the Australian Genus Oxyuranus (Elapidae), RICHARD SHINE AND JEANETTE COVACEVICH, Journal of Herpetology, Vol. 17, No. 1, pp. 60-69, 1983