西澳大利亚州的的洲旗上的动物是什么,最好是英文翻译

西澳大利亚州的洲旗上的动物是什么?
英文翻译：What is the animal on the state flag of Western Australia?
西澳大利亚州的洲旗上的动物是黑天鹅,英文：black swan.
附上一段对于西澳大利亚州的洲旗的英文描述：
The state flag of Western Australia 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,in fact the original colony was called the Swan River Colony at the location which is now Perth.
天上~

黑天鹅，black swan
我就在Perth住