Dossier
Heard Island
Coverage of Heard Island in the Nexus archive.
- Australia, last continent without H5 bird flu, detects first suspected case
Australia detected its first suspected mainland case of H5N1 bird flu in a brown skua found in Western Australia’s Cape Le Grand National Park. Authorities are confirming the strain, and the country has been preparing for such an outbreak through biosecurity measures and wildlife testing.
- More than 13,000 seal pups die on remote Australian island amid bird flu outbreak
More than 13,000 southern elephant seal pups have died on Australia's subantarctic Heard Island due to the spread of the H5N1 bird flu. Testing confirmed the virus's presence among penguins, seals, and petrels on the island, with government scientists observing the mass mortality through drone and ground surveys in October 2025 and January 2026.