Dit artikel werd samengesteld op basis van meerdere nieuwsbronnen.

Fossils reveal that there were at least two kinds of koala when humans first arrived in Australia, but one died out about 30,000 years ago when the west of the continent dried out

Draftartikel opgebouwd uit meerdere gegroepeerde nieuwsbronnen. Fossils reveal that there were at least two kinds of koala when humans first arrived in Australia, but one died out about 30,000 years ago when the west of the continent dried out