Koalas "functionally extinct" after Australia brushfires destroy 80% of their habitat

The chairman of the Australian Koala Foundation, Deborah Tabart, estimates that over 1,000 koalas have been killed from the fires and that 80 percent of their habitat has been destroyed.

Recent bushfires, along with prolonged drought and deforestation has led to koalas becoming “functionally extinct” according to experts.

Functional extinction is when a population becomes so limited that they no longer play a significant role in their ecosystem and the population becomes no longer viable. While some individuals could produce, the limited number of koalas makes the long-term viability of the species unlikely and highly susceptible to disease.