A kangaroo is seen in bushland surrounded by smoke haze early morning in Canberra, Australia, January 5, 2020. AAP Image/Lukas Coch via REUTERS

A kangaroo is seen at the Flinders Chase National Park in a bushfire-affected area on Kangaroo Island, southwest of Adelaide, Australia, January 7, 2020. AAP Image/David Mariuz/via REUTERS

Director of Mogo Zoo Chad Staples, 40, looks at the zoo's giraffes in the village of Mogo, Australia, January 8, 2020.

A koala stands in the field with bushfire burning in the background, in Kangaroo Island, Australia January 9, 2020 in this still image obtained from social media. PAUL STANTON - PAUL'S PLACE WILDLIFE SANCTUARY/via REUTERS

A burnt paw of a brushtail possum is pictured as it is nursed by WIRES volunteers in Merimbula, Australia January 9, 2020.

A dead koala is seen after bushfires swept through on Kangaroo Island, southwest of Adelaide, Australia, January 7, 2020. AAP Image/David Mariuz/via REUTERS

An injured Kangaroo limps in a creek bed before being euthanised on a farm in Cobargo, Australia January 9, 2020.

Cattle killed by the bushfires are buried in Cobargo, New South Wales, Australia January 5, 2020.

Cows stand in the field with bushfire burning in the background, in Kangaroo Island, Australia January 9, 2020 in this still image obtained from social media. PAUL STANTON - PAUL'S PLACE WILDLIFE SANCTUARY/via REUTERS

Vets and volunteers treat koalas at Kangaroo Island Wildlife Park on Kangaroo Island, southwest of Adelaide, Australia, January 10, 2020. AAP Image/David Mariuz/via REUTERS

An injured horse is given painkiller in a shared paddock at the evacuation centre in Cobargo, as bushfires continue in New South Wales, Australia January 5, 2020.

Sheep make their way in the fire grounds near Bega, News South Wales, Australia January 8, 2020.

The carcass of a kangaroo lies on the ground after it was euthanised, on a farm in Cobargo, Australia January 9, 2020.

An injured kangaroo with a joey in its pouch, limps through burnt bushland in Cobargo, Australia January 9, 2020.

A weary kangaroo shelters on a patch of green grass surrounded by burnt bushland along the Princes Highway near in Milton, Australia January 5, 2020.

A brushtail possum with burnt paws is nursed by WIRES volunteer Baron Green in Merimbula, Australia January 9, 2020.

Adelaide wildlife rescuer Simon Adamczyk is seen with a koala rescued at a burning forest near Cape Borda on Kangaroo Island, southwest of Adelaide, Australia, January 7, 2020. AAP Image/David Mariuz/via REUTERS