Among those deeply committed to environmental protection, a persistent debate revolves around whether the koala should be officially as a threatened species in Australia. The situation resembles a seesaw – in certain regions like Queensland, a number of koalas grapple with diseases, while in the southern territories of Victoria and South Australia, their population has seemingly exploded. The for labeling a species as 'vulnerable' dictate a population decrease of more than 30 percent in the last three generations or ten years. However, applying this rule to koalas introduces a nuanced complexity, as the surge in Victoria seems to offset the decline in Queensland. The challenge is further compounded by the recognition that northern koalas and their southern counterparts represent distinct branches of the koala family tree. In response to this intricacy, authorities have chosen a bifurcated approach – koalas in New South Wales, the ACT, and Queensland are officially recognized as 'Vulnerable,' whereas those in Victoria and South Australia are not at risk.