Kangaroo Island bushfires: grave fears for unique wildlife after estimated 25,000 koalas killed

Greatest concerns for endangered Kangaroo Island dunnart and glossy black-cockatoo after third of island burned

Ecologists have grave concerns for the future of unique and endangered wildlife on Kangaroo Island where bushfires have killed thousands of koalas.

Fires on the island, in South Australia, have so far burned through 155,000 hectares - about one third of the island's entire area - with blazes concentrated in the biodiversity-rich western areas.