Brown skuas and giant petrels rarely make landfall. When they were found in WA, scientists feared ‘bad news’ for wildlife

Experts thought H5N1 bird flu would more likely reach Australia’s north. But an arrival from Antarctica had always been possible

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Brown skuas and giant petrels are a common sight offshore in southern Australian waters in the winter months, but they will rarely risk venturing on to land.

So when two of these birds were discovered sick – on beaches a few kilometres apart on Western Australia’s southern coastline – it was a sign something might be wrong.

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