What animal is on the Western Australia flag

Black Swan
The current state flag of Western Australia was officially adopted by the government of Western Australia in 1953.

The flag is based on the defaced British Blue Ensign with the state badge located in the fly. The badge is a gold disc with a native black swan, the swan is facing towards the hoist.

The black swan has long been a symbol of Western Australia. The original colony was called the Swan River Colony at the location which is now Perth.

Read more...https://en.wikipedia.org/wiki/Flag_of_Western_Australia