Common Brown Ringlet

Hypocysta metirius
The only native carnivour on the mainland of Australia is the quoll, see https://en.wikipedia.org/wiki/Tiger_quoll#/media/File:Spotted_Tail_Quoll_2011.jpg . Any bird about to make a meal of the ringlet would would surely baulk at at what looks all the world like a quoll's face looking back.

AnthropodaButterfliesCommon Brown RingletHypocysta metiriusInsects