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Bird Flu Reaches Australia for the First Time

June 19, 2026 · The Sydney Morning Herald

Experts warn that deadly H5 bird flu could cause massive losses among Australia's unique wildlife.

Australia has confirmed its first case of H5 bird flu, a highly infectious virus that has already killed millions of animals around the world. A dead Brown Skua bird was found at Cape Le Grand National Park in southwest Western Australia, and tests showed it had the H5 virus. A nearby Giant Petrel also tested positive for the disease. Experts are warning that the virus could spread through wild animal populations and push some of Australia's native species toward extinction.

Agriculture Minister Julie Collins announced the news on Saturday. She said the findings are "concerning news for many Australians" who care deeply about wildlife. Collins is also responsible for Australia's biosecurity, which means protecting the country from dangerous diseases and pests that come from outside its borders. She said the government is taking the threat very seriously.

So far, only two birds have tested positive and there is no sign of a wider outbreak yet. However, Chief Veterinary Officer Beth Cookson warned that more infected birds are likely to arrive. Many birds migrate to Australia from Europe and Asia during summer, and some of those birds could be carrying the virus. "If it doesn't establish this time, it doesn't mean that we won't continue to see sick migratory birds turn up with this virus," she said.

Scientists and wildlife groups say the damage could be enormous if the virus spreads widely. Jack Gough, the chief executive of the Invasive Species Council, called a potential outbreak "one of the greatest wildlife disasters Australia's ever faced." He pointed to what happened in South America, where bird flu arrived in 2022 and killed more than 30,000 sea lions, 17,000 elephant seal pups, and at least 650,000 native birds. Some elephant seal pup colonies were nearly wiped out completely.

Gough also described how bird populations in some places dropped by 30 to 70 percent after the virus arrived. He said that islands in England that were once packed with huge flocks of birds looked almost empty just a year later. Baby elephant seals in parts of South America had a death rate of 95 percent. These numbers show just how deadly this virus can be for animals that have never faced it before.

The good news is that the risk to human health appears to be low. Dr. Emma Grant from La Trobe Institute for Molecular Science explained that human infections with H5N1 are rare around the world. "There is no evidence of human-to-human transmission," she said, meaning the virus does not spread easily from person to person. Still, people are strongly advised not to touch sick or dead birds and animals they find in the wild.

The Australian government has been working hard to prepare for this moment. The Albanese government committed $113 million to get ready for an H5 outbreak, including quickly removing the bodies of infected animals to slow the spread. Officials are also keeping farmed chickens and other poultry away from wild birds. There are even plans to move some endangered animals into captivity to make sure their species survive.

Some of the animals most at risk include black swans, Tasmanian devils, and the orange-bellied parrot. The orange-bellied parrot has fewer than 100 individuals left in the wild, making it extremely vulnerable. "We can't overstate how significant this moment is for Australian wildlife," said BirdLife Australia chief executive Kate Millar. "This could be the beginning of a long fight to protect birds and wildlife in Australia."

The public can help by watching for signs of bird flu in wild and domestic animals. If you see several sick or dead birds or other animals, do not touch them — instead, note where they are and call 1800 675 888. In wild birds, signs include sudden death, trouble breathing, and difficulty standing or flying. In mammals, watch for weakness, seizures, tremors, drooling, or walking in circles.

"If this strain of bird flu takes hold in Australia, we can expect carnage when it comes to our birds and other wildlife populations."

Comprehension quiz preview

1. Where was Australia's first H5 bird flu case confirmed?

  • ASydney Harbour National Park
  • BCape Le Grand National Park
  • CKakadu National Park
  • DBlue Mountains National Park

2. How much money did the Australian government commit to prepare for an H5 outbreak?

  • A$13 million
  • B$1.3 billion
  • C$113 million
  • D$31 million

3. How many orange-bellied parrots are left in the wild?

  • AFewer than 100
  • BAround 500
  • CAbout 1,000
  • DFewer than 50

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