More than 1,000 birds found dead in three mass mortality events amid ‘significant’ H5 escalation in Australia
Summary
Authorities in South Australia detected three events where over 1,000 crested terns died, likely from H5 bird flu. Tasmania is also investigating the deaths of 28 little penguins to see if the same virus is the cause.Key Facts
- South Australian premier Peter Malinauskas called the situation a “significant escalation” of H5 bird flu.
- More than 1,000 dead greater crested terns were found on Troubridge Island and the Pages Islands.
- The bird flu strain arrived on the Australian mainland in June.
- Investigations in Tasmania are ongoing after 28 dead little penguins were found on King Island.
- Aerial patrols use helicopters, planes, and drones to monitor affected birds and possible mammals.
- No mass deaths in mammals or livestock due to H5 bird flu have been reported so far.
- Vaccinating wild birds broadly is not considered practical, but targeted vaccination for some captive threatened birds is being considered.
- Officials emphasize efforts to protect wildlife, industries, and communities from the virus.
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