So far, the blazes have killed 25 people, destroyed 2,000 homes and scorched an area twice the size of the U.S. state of Maryland.
It's over 800 million given the extent of the fires now in New South Wales alone.' However he warned that if 800 million sounds a lot, "it's not all the animals in the firing line" as it excludes bats, frogs and invertebrates.
Australia's bush fires since September have emitted about 350 million tonnes of carbon dioxide, equal to two-thirds the country's annual emissions from man-made sources, estimated Dr Pep Canadell, director of the Global Carbon Project, based on data from Nasa satellites.
But they also said they were concerned that lightning could no longer start fires before unsafe, hot and windy conditions returned.
"The Australian and New Zealand personnel filled critical needs during the peak of the western fire season for mid-level fireline management, heavy equipment, helicopter operations, and structure protection", BLM said.
When his country burned, the Australian Prime Minister was cursed and taunted from a city, called an "idiot", an "idiot" and worse, and impaled at home and overseas for his dismissive response to climate change. That includes mammals, birds and reptiles directly killed by the fires or indirectly through loss of habitat.
"Over a billion would be a very conservative figure", he said of the deaths continent-wide, adding that the toll has exceeded 1 billion "without any doubt at all". His government has been accused of ignoring climate change.
"Pity the poor #Australians, their country ablaze, and their rotten @ScottMorrisonMP saying, "This is not the time to talk about Climate Change". When she did not take his hand, he used his left hand to draw her right hand forward and shook it with his right, leaving many Australians with the impression that all he cared about was a photo opportunity.
"Australia is open, Australia is still a wonderful place to come and bring your family and enjoy your holidays", Morrison told reporters.