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.
♦ ²Ecological Ramifications of Prey Size: Food Habits and Reproductive Biology of Australian Copperhead Snakes (Austrelaps, Elaidae), Richard Shine, Journal of Herpetology, Vol. 21, No. 1, pp. 21-28, 1987