Kangaroo is a common menu item in some Australian restaurants and pubs because it is a native animal to Australia and is considered a delicacy in some parts of the world. Kangaroo meat is low in fat and high in protein, making it a healthy choice for some consumers. Additionally, kangaroo is not endangered, and in some areas, it is considered a pest, so it is sustainably sourced.

On the other hand, koalas are a protected species in Australia and it is illegal to hunt or eat them. They are also a beloved national symbol and are considered a vulnerable species due to habitat loss and disease. Therefore, koala is not included on any restaurant menus in Australia.
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