Sometimes placed in genus Casarca together with T. ferruginea, T. cana and T. variegata. One phylogenetic analysis found present species and T. variegata to form a clade, with T. cristata as a sister#R. Hybridization with T. ferruginea and T. cana, and also with Anser indicus, reported in captivity. Monotypic.
SW & SE Australia and Tasmania; New Zealand.
Carboneras, C. & Kirwan, G.M. (2019). Australian Shelduck (Tadorna tadornoides). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/52838 on 19 April 2019).