Report by RSPB and British Trust for Ornithology finds H5N1 has killed three-quarters of great skua and 25% of northern gannets
The UK has lost more than three-quarters of its great skuas on surveyed sites since bird flu struck, according to the first report quantifying the impact of H5N1 on seabird populations.
The deaths have happened over two years, since the outbreak of H5N1 in 2021. The UK is internationally important for seabirds, home to most of the world’s 16,000 pairs of nesting great skuas.
Jean Duggan, a policy assistant on avian influenza for the Royal Society for the Protection of Birds (RSPB), said: “To have that level of loss in a population we have international responsibility for is quite catastrophic.
The UK has lost more than three-quarters of its great skuas on surveyed sites since bird flu struck, according to the first report quantifying the impact of H5N1 on seabird populations.
Jean Duggan, a policy assistant on avian influenza for the Royal Society for the Protection of Birds (RSPB), said: “To have that level of loss in a population we have international responsibility for is quite catastrophic.
The UK also has more than half of the world’s northern gannets, which declined by 25% in the sites surveyed, according to the report by the RSPB, the British Trust for Ornithology and other conservation bodies.
H5N1 is “one of the biggest immediate conservation threats faced by multiple seabird species” across the UK and continental Europe, the report warned.
In total, nine of the 13 species covered in the report had decreased by more than 10%, but many were already in decline before bird flu so it is not clear to what degree the virus was to blame.
Katie-Jo Luxton, RSPB’s director of conservation, said: “This new study shows that bird flu can be added to the long list of things that are devastating our seabirds.”
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