Ecologists at the University of Sydney estimated that 480 million mammals, birds & reptiles have died in the blazes that have swept Australia since September, including a third of the koala population in their main habitat in the state of New South Wales.

Ecologists at the University of Sydney estimated that 480 million mammals, birds & reptiles have died in the blazes that have swept Australia since September, including a third of the koala population in their main habitat in the state of New South Wales. https://t.co/4ZzrYSxWz7

— Jon Cooper 🇺🇸 (@joncoopertweets) January 2, 2020