How 18 koalas became 27,000 and created a crisis on Kangaroo Island

In the 1920s, conservationists released just 18 koalas onto South Australia's Kangaroo Island, hoping to save the species from mainland hunting and habitat loss. A century later, that handful of ...

Australia's koalas face disease, habitat loss and shrinking populations, but scientists are freezing eggs and sperm to create a genetic backup for the species

Australia’s koalas have become an increasingly familiar symbol of a wider conservation problem. Habitat loss, disease, road ...
The Scientist

A World-First Chlamydia Vaccine for Koalas Receives Approval

One of Australia’s most iconic species, the koala is staring down the barrel of extinction. Among a barrage of other threats, including deforestation, attacks by wild and domestic dogs, and traffic ...