Research and analysis
Avian influenza in wild birds: 2026
Updated 21 September 2026
Download CSV 23.3 KB
| Week (Year) | District | County | Country | Species | Latin.Latin Name | Virus Isolated | Total (Positive) |
|---|---|---|---|---|---|---|---|
| 1 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Greylag Goose | Anser anser | H5N1 | 4 |
| 1 (2026) | Angus | Angus | Scotland | Greylag Goose | Anser anser | H5N1 | 1 |
| 1 (2026) | Angus | Angus | Scotland | Mute Swan | Cygnus olor | H5N1 | 2 |
| 1 (2026) | Angus | Angus | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 3 |
| 1 (2026) | Arun | West Sussex | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 1 (2026) | Barnsley | South Yorkshire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 1 (2026) | Barnsley | South Yorkshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 1 (2026) | Bedford | Bedfordshire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 1 (2026) | Birmingham | West Midlands | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 1 (2026) | Bury | Greater Manchester | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 1 (2026) | Cardiff | Cardiff | Wales | Unspecified Gull | Laridae | H5N1 | 1 |
| 1 (2026) | Cheshire West and Chester | Cheshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 1 (2026) | Cheshire West and Chester | Cheshire | England | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 1 (2026) | Conwy | Conwy | Wales | Curlew | Numenius arquata | H5N1 | 1 |
| 1 (2026) | East Lindsey | Lincolnshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 1 (2026) | Epping Forest | Essex | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 1 (2026) | Fenland | Cambridgeshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 1 (2026) | Highlands | Highlands | Scotland | Unspecified Goose | Anser | H5N1 | 2 |
| 1 (2026) | Hull | East Riding of Yorkshire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 1 (2026) | Lancaster | Lancashire | England | Unspecified Swan | Cygnus | H5N1 | 2 |
| 1 (2026) | London Borough of Havering | Greater London | England | Mute Swan | Cygnus olor | H5N1 | 3 |
| 1 (2026) | Midlothian | Midlothian | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 1 (2026) | Moray | Moray | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 1 (2026) | Rotherham | South Yorkshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 1 (2026) | Solihull | West Midlands | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 1 (2026) | Somerset | Somerset | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 1 (2026) | South Derbyshire | Derbyshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 1 (2026) | Stoke-on-Trent | Staffordshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 1 (2026) | Swale | Kent | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 1 (2026) | Swansea | Swansea | Wales | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 1 (2026) | Wychavon | Worcestershire | England | Peregrine | Falco peregrinus | H5N1 | 1 |
| 2 (2026) | Newport | Newport | Wales | Curlew | Numenius arquata | H5N1 | 1 |
| 2 (2026) | Bedford | Bedfordshire | England | Mute Swan | Cygnus olor | H5N1 | 2 |
| 2 (2026) | Bolsover | Derbyshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 2 (2026) | Breckland | Norfolk | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | Chesterfield | Derbyshire | England | Canada Goose | Branta canadensis | H5N1 | 3 |
| 2 (2026) | Chichester | West Sussex | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 2 (2026) | Cotswold | Gloucestershire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 2 (2026) | Denbighshire | Denbighshire | Wales | Herring Gull | Larus argentatus | H5N1 | 1 |
| 2 (2026) | Doncaster | South Yorkshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | Dorset | Dorset | England | Mute Swan | Cygnus olor | H5N1 | 3 |
| 2 (2026) | Harborough | Leicestershire | England | Common Buzzard | Buteo buteo | H5N1 | 3 |
| 2 (2026) | Hartlepool | Durham | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | Herefordshire | Herefordshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | North Warwickshire | Warwickshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | North Yorkshire | North Yorkshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 2 (2026) | North Yorkshire | North Yorkshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | North Yorkshire | North Yorkshire | England | Whooper Swan | Cygnus cygnus | H5N1 | 1 |
| 2 (2026) | Nottingham | Nottinghamshire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 2 (2026) | Redditch | Worcestershire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 2 (2026) | Redditch | Worcestershire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | Rochdale | Greater Manchester | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 2 (2026) | Rugby | Warwickshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | Shropshire | Shropshire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 2 (2026) | Shropshire | Shropshire | England | Unspecified Goose | Anser | H5N1 | 2 |
| 2 (2026) | South Cambridgeshire | Cambridgeshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | Stratford-on-Avon | Warwickshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | Vale of White Horse | Oxfordshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | Wakefield | West Yorkshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | Warrington | Cheshire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 2 (2026) | Warwick | Warwickshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 2 (2026) | Waverley | Surrey | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 2 (2026) | Worcester | Worcestershire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 3 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 3 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Greylag Goose | Anser anser | H5N1 | 1 |
| 3 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 3 (2026) | Angus | Angus | Scotland | Whooper Swan | Cygnus cygnus | H5N1 | 1 |
| 3 (2026) | Basingstoke and Deane | Hampshire | England | Peregrine | Falco peregrinus | H5N1 | 1 |
| 3 (2026) | Buckinghamshire | Buckinghamshire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 3 (2026) | Caerphilly | Caerphilly | Wales | Herring Gull | Larus argentatus | H5N1 | 1 |
| 3 (2026) | Carmarthenshire | Carmarthenshire | Wales | Shelduck | Tadorna tadorna | H5Nx | 1 |
| 3 (2026) | Cheshire East | Cheshire | England | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 3 (2026) | Cheshire West and Chester | Cheshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 3 (2026) | Dumfries and Galloway | Dumfries and Galloway | Scotland | Tawny Owl | Strix aluco | H5N1 | 1 |
| 3 (2026) | Dumfries and Galloway | Dumfries and Galloway | Scotland | Unspecified Buzzard | Buteo | H5N1 | 1 |
| 3 (2026) | Durham | Durham | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 3 (2026) | Highlands | Highlands | Scotland | Unspecified Buzzard | Buteo | H5N1 | 1 |
| 3 (2026) | Leeds | West Yorkshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 3 (2026) | Manchester | Greater Manchester | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 3 (2026) | Moray | Moray | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 3 (2026) | North Lincolnshire | Lincolnshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 3 (2026) | Oldham | Greater Manchester | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 3 (2026) | Redditch | Worcestershire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 3 (2026) | Redditch | Worcestershire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 3 (2026) | Rhondda Cynon Taf | Rhondda Cynon Taf | Wales | Canada Goose | Branta canadensis | H5N1 | 1 |
| 3 (2026) | Rugby | Warwickshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 3 (2026) | Salford | Greater Manchester | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 3 (2026) | Somerset | Somerset | England | Kestrel | Falco tinnunculus | H5N1 | 1 |
| 3 (2026) | Wakefield | West Yorkshire | England | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 3 (2026) | West Northamptonshire | Northamptonshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 4 (2026) | Arun | West Sussex | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 4 (2026) | Barnsley | South Yorkshire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 4 (2026) | Barnsley | South Yorkshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 4 (2026) | Buckinghamshire | Buckinghamshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 4 (2026) | Cheshire West and Chester | Cheshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 4 (2026) | Cheshire West and Chester | Cheshire | England | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 4 (2026) | Derby | Derbyshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 4 (2026) | East Suffolk | Suffolk | England | Common Gull | Larus canus | H5N1 | 1 |
| 4 (2026) | Huntingdonshire | Cambridgeshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 4 (2026) | Leeds | West Yorkshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 4 (2026) | Maldon | Essex | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 4 (2026) | Northumberland | Northumberland | England | Mute Swan | Cygnus olor | H5N1 | 5 |
| 4 (2026) | Northumberland | Northumberland | England | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 2 |
| 4 (2026) | Rochdale | Greater Manchester | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 4 (2026) | Salford | Greater Manchester | England | Canada Goose | Branta canadensis | H5N1 | 2 |
| 4 (2026) | Scottish Borders | Scottish Borders | Scotland | Unspecified Buzzard | Buteo | H5N1 | 1 |
| 4 (2026) | Sevenoaks | Kent | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 4 (2026) | South Ayrshire | South Ayrshire | Scotland | Herring Gull | Larus argentatus | H5Nx | 1 |
| 4 (2026) | South Kesteven | Lincolnshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 4 (2026) | Sunderland | Tyne and Wear | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 4 (2026) | West Berkshire | Berkshire | England | Mute Swan | Cygnus olor | H5N1 | 2 |
| 4 (2026) | West Lancashire | Lancashire | England | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 4 (2026) | Wiltshire | Wiltshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 4 (2026) | Worcester | Worcestershire | England | Mute Swan | Cygnus olor | H5N1 | 3 |
| 5 (2026) | Aberdeen City | Aberdeen City | Scotland | Mute Swan | Cygnus olor | H5N1 | 1 |
| 5 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Barn Owl | Tyto alba | H5N1 | 1 |
| 5 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 5 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 5 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Wood Pigeon | Columba palumbus | H5N1 | 3 |
| 5 (2026) | Babergh | Suffolk | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 5 (2026) | Bedford | Bedfordshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 5 (2026) | Bromsgrove | Worcestershire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 5 (2026) | Buckinghamshire | Buckinghamshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 5 (2026) | Dumfries and Galloway | Dumfries and Galloway | Scotland | Barnacle Goose | Branta leucopsis | H5N1 | 1 |
| 5 (2026) | Dumfries and Galloway | Dumfries and Galloway | Scotland | Unspecified Buzzard | Buteo | H5N1 | 1 |
| 5 (2026) | East Riding of Yorkshire | East Riding of Yorkshire | England | Hen Harrier | Circus cyaneus | H5N1 | 1 |
| 5 (2026) | East Riding of Yorkshire | East Riding of Yorkshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 5 (2026) | Gedling | Nottinghamshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 5 (2026) | Highlands | Highlands | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 5 (2026) | Highlands | Highlands | Scotland | Red Kite | Milvus milvus | H5N1 | 1 |
| 5 (2026) | Highlands | Highlands | Scotland | Unspecified Buzzard | Buteo | H5N1 | 3 |
| 5 (2026) | Hounslow | Greater London | England | Mute Swan | Cygnus olor | H5N1 | 2 |
| 5 (2026) | Leeds | West Yorkshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 5 (2026) | Moray | Moray | Scotland | Barn Owl | Tyto alba | H5N1 | 1 |
| 5 (2026) | Moray | Moray | Scotland | Goshawk | Accipiter gentilis | H5N1 | 1 |
| 5 (2026) | North Hertfordshire | Hertfordshire | England | Red Kite | Milvus milvus | H5N1 | 1 |
| 5 (2026) | North West Leicestershire | Leicestershire | England | Peregrine | Falco peregrinus | H5N1 | 1 |
| 5 (2026) | Northumberland | Northumberland | England | Herring Gull | Larus argentatus | H5N1 | 1 |
| 5 (2026) | Northumberland | Northumberland | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 5 (2026) | Northumberland | Northumberland | England | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 5 (2026) | Orkney Islands | Orkney Islands | Scotland | Greylag Goose | Anser anser | H5N1 | 1 |
| 5 (2026) | Perth and Kinross | Perth and Kinross | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 5 (2026) | Solihull | West Midlands | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 5 (2026) | South Derbyshire | Derbyshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 5 (2026) | Stratford-on-Avon | Warwickshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 5 (2026) | Warwick | Warwickshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 5 (2026) | West Suffolk | Suffolk | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 5 (2026) | Windsor and Maidenhead | Berkshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 5 (2026) | Wokingham | Berkshire | England | Mute Swan | Cygnus olor | H5N1 | 3 |
| 5 (2026) | Wyre | Lancashire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 6 (2026) | Birmingham | West Midlands | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 6 (2026) | Bradford | West Yorkshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 6 (2026) | Buckinghamshire | Buckinghamshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 6 (2026) | Cheshire West and Chester | Cheshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 6 (2026) | Cheshire West and Chester | Cheshire | England | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 6 (2026) | East Lothian | East Lothian | Scotland | Unspecified Buzzard | Buteo | H5N1 | 1 |
| 6 (2026) | Gateshead | Tyne and Wear | England | Black Headed Gull | Chroicocephalus ridibundus | H5N1 | 1 |
| 6 (2026) | Kingston upon Thames | Greater London | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 6 (2026) | Midlothian | Midlothian | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 6 (2026) | North Kesteven | Lincolnshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 6 (2026) | Richmond upon Thames | Greater London | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 6 (2026) | St Helens | Merseyside | England | Unspecified Goose | Anser | H5N1 | 1 |
| 6 (2026) | Stirling | Stirling | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 7 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Greylag Goose | Anser anser | H5N1 | 2 |
| 7 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Mute Swan | Cygnus olor | H5N1 | 1 |
| 7 (2026) | Angus | Angus | Scotland | Puffin | Fratercula arctica | H5N1 | 1 |
| 7 (2026) | Argyll and Bute | Argyll and Bute | Scotland | Unspecified Swan | Cygnus | H5N1 | 1 |
| 7 (2026) | Central Bedfordshire | Bedfordshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 7 (2026) | Cheshire West and Chester | Cheshire | England | Canada Goose | Branta canadensis | H5Nx | 1 |
| 7 (2026) | Comhairle nan Eilean Siar | Na h-Eileanan an Iar | Scotland | Mute Swan | Cygnus olor | H5Nx | 3 |
| 7 (2026) | Dumfries and Galloway | Dumfries and Galloway | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 7 (2026) | Dumfries and Galloway | Dumfries and Galloway | Scotland | Unspecified Buzzard | Buteo | H5N1 | 2 |
| 7 (2026) | Fylde | Lancashire | England | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 7 (2026) | Lancaster | Lancashire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 7 (2026) | Leeds City | West Yorkshire | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 7 (2026) | Leeds City | West Yorkshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 7 (2026) | Leeds City | West Yorkshire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 7 (2026) | Newark and Sherwood | Nottinghamshire | England | Canada Goose | Branta canadensis | H5N1 | 2 |
| 7 (2026) | Northumberland | Northumberland | England | Mute Swan | Cygnus olor | H5N1 | 2 |
| 7 (2026) | Powys | Powys | Wales | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 7 (2026) | Renfrewshire | Renfrewshire | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 7 (2026) | Salford | Greater Manchester | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 7 (2026) | South Derbyshire | Derbyshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 8 (2026) | Argyll and Bute | Argyll and Bute | Scotland | Barnacle Goose | Branta leucopsis | H5N1 | 1 |
| 8 (2026) | Babergh | Suffolk | England | Tawny Owl | Strix aluco | H5N1 | 1 |
| 8 (2026) | Cheshire West and Chester | Cheshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 8 (2026) | City of Edinburgh | City of Edinburgh | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 8 (2026) | Dumfries and Galloway | Dumfries and Galloway | Scotland | Unspecified Buzzard | Buteo | H5N1 | 1 |
| 8 (2026) | East Suffolk | Suffolk | England | Common Gull | Larus canus | H5N1 | 1 |
| 8 (2026) | East Suffolk | Suffolk | England | Gannet | Morus bassanus | H5N1 | 1 |
| 8 (2026) | Highlands | Highlands | Scotland | Unspecified Gull | Laridae | H5N1 | 1 |
| 8 (2026) | Inverclyde | Inverclyde | Scotland | Unspecified Swan | Cygnus | H5N1 | 2 |
| 8 (2026) | Reading | Berkshire | England | Mute Swan | Cygnus olor | H5N1 | 3 |
| 8 (2026) | South Lanarkshire | South Lanarkshire | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 8 (2026) | Stirling | Stirling | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 8 (2026) | West Lothian | West Lothian | Scotland | Common Buzzard | Buteo buteo | H5N1 | 2 |
| 8 (2026) | Wirral | Merseyside | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 9 (2026) | Durham | Durham | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 9 (2026) | Huntingdonshire | Cambridgeshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 9 (2026) | Inverclyde | Inverclyde | Scotland | Mute Swan | Cygnus olor | H5N1 | 1 |
| 9 (2026) | North Norfolk | Norfolk | England | Herring Gull | Larus argentatus | H5N1 | 1 |
| 9 (2026) | Renfrewshire | Renfrewshire | Scotland | Common Gull | Larus canus | H5N1 | 1 |
| 9 (2026) | Stirling | Stirling | Scotland | Peregrine | Falco peregrinus | H5N1 | 1 |
| 9 (2026) | Stirling | Stirling | Scotland | Unspecified Buzzard | Buteo | H5N1 | 1 |
| 9 (2026) | Stroud | Gloucestershire | England | Mute Swan | Cygnus olor | H5Nx | 1 |
| 9 (2026) | Tower Hamlets | Greater London | England | Mute Swan | Cygnus olor | H5N1 | 3 |
| 10 (2026) | Aberdeen City | Aberdeen City | Scotland | Razorbill | Alca torda | H5N1 | 2 |
| 10 (2026) | Aberdeen City | Aberdeen City | Scotland | Unspecified Guillemot | Cepphus grylle | H5N1 | 1 |
| 10 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 10 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Mute Swan | Cygnus olor | H5N1 | 1 |
| 10 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Sparrow Hawk | Accipiter nisus | H5N1 | 1 |
| 10 (2026) | Fife | Fife | Scotland | Black Headed Gull | Chroicocephalus ridibundus | H5N1 | 1 |
| 10 (2026) | Inverclyde | Inverclyde | Scotland | Cormorant | Phalacrocorax carbo | H5Nx | 1 |
| 10 (2026) | Northumberland | Northumberland | England | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 10 (2026) | Perth and Kinross | Perth and Kinross | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 10 (2026) | Wakefield | West Yorkshire | England | Herring Gull | Larus argentatus | H5N1 | 1 |
| 11 (2026) | Birmingham City | West Midlands | England | Lesser Black Backed Gull | Larus fuscus | H5N1 | 1 |
| 11 (2026) | Breckland | Norfolk | England | Red Kite | Milvus milvus | H5N1 | 1 |
| 11 (2026) | Chorley | Lancashire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 11 (2026) | City of Westminster | Greater London | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 11 (2026) | Coventry | West Midlands | England | Feral Pigeon Or Rock Dove | Columba livia | H5N1 | 1 |
| 11 (2026) | Dorset | Dorset | England | Shag | Gulosus aristotelis | H5N1 | 1 |
| 11 (2026) | Dumfries and Galloway | Dumfries and Galloway | Scotland | Barnacle Goose | Branta leucopsis | H5N1 | 1 |
| 11 (2026) | Dumfries and Galloway | Dumfries and Galloway | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 11 (2026) | East Ayrshir | East Ayrshire | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 11 (2026) | Gwynedd | Gwynedd | Wales | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 11 (2026) | London | Greater London | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 11 (2026) | North Yorkshire | North Yorkshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 11 (2026) | Scottish Borders | Scottish Borders | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 11 (2026) | South Hams | Devon | England | Puffin | Fratercula arctica | H5N1 | 1 |
| 11 (2026) | South Hams | Devon | England | Unspecified Guillemot | Cepphus grylle | H5N1 | 1 |
| 11 (2026) | Welwyn Hatfield | Hertfordshire | England | Feral Pigeon Or Rock Dove | Columba livia | H5N1 | 1 |
| 11 (2026) | West Suffolk | Suffolk | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 11 (2026) | Wyre | Lancashire | England | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 12 (2026) | Chorley | Lancashire | England | Mute Swan | Cygnus olor | H5N1 | 1 |
| 12 (2026) | Newark and Sherwood | Nottinghamshire | England | Greylag Goose | Anser anser | H5N1 | 1 |
| 12 (2026) | Scottish Borders | Scottish Borders | Scotland | Mute Swan | Cygnus olor | H5N1 | 1 |
| 12 (2026) | Stockton-on-Tees | Durham | England | Canada Goose | Branta canadensis | H5N1 | 1 |
| 12 (2026) | Tendring | Essex | England | Brent Goose | Branta bernicla | H5N1 | 1 |
| 12 (2026) | West Berkshire | Berkshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 12 (2026) | West Lothian | West Lothian | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 13 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 13 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Shag | Gulosus aristotelis | H5N1 | 1 |
| 13 (2026) | Chorley | Lancashire | England | Kittiwake | Rissa tridactyla | H5N1 | 1 |
| 13 (2026) | Flintshire | Flintshire | Wales | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 13 (2026) | Flyde | Lancashire | England | Unspecified Buzzard | Buteo | H5N1 | 1 |
| 13 (2026) | Highlands | Highlands | Scotland | Common Gull | Larus canus | H5N1 | 1 |
| 13 (2026) | Highlands | Highlands | Scotland | Goshawk | Accipiter gentilis | H5N1 | 1 |
| 13 (2026) | Kings Lynn and West Norfolk | Norfolk | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 13 (2026) | North Yorkshire | North Yorkshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 14 (2026) | Fife | Fife | Scotland | Razorbill | Alca torda | H5N1 | 1 |
| 14 (2026) | Midlothian | Midlothian | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 14 (2026) | Renfrewshire | Renfrewshire | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 14 (2026) | Scottish Borders | Scottish Borders | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 3 |
| 15 (2026) | East Ayrshire | East Ayrshire | Scotland | Tawny Owl | Strix aluco | H5N1 | 1 |
| 15 (2026) | Midlothian | Midlothian | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 16 (2026) | Angus | Angus | Scotland | Barn Owl | Tyto alba | H5N1 | 1 |
| 16 (2026) | Angus | Angus | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 16 (2026) | Cumberland | Cumbria | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 16 (2026) | Dundee City | Dundee City | Scotland | Herring Gull | Larus argentatus | H5N1 | 1 |
| 16 (2026) | Fife | Fife | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 16 (2026) | Highlands | Highlands | Scotland | Unspecified Buzzard | Buteo | H5N1 | 2 |
| 16 (2026) | Huntingdonshire | Cambridgeshire | England | Kestrel | Falco tinnunculus | H5N1 | 1 |
| 16 (2026) | Northumberland | Northumberland | England | Great Black Backed Gull | Larus marinus | H5N1 | 1 |
| 17 (2026) | Aberdeen City | Aberdeen City | Scotland | Mute Swan | Cygnus olor | H5N1 | 1 |
| 17 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 17 (2026) | City of Edinburgh | City of Edinburgh | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 17 (2026) | Highlands | Highlands | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 17 (2026) | Highlands | Highlands | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 2 |
| 17 (2026) | South Cambridgeshire | Cambridgeshire | England | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 18 (2026) | Fife | Fife | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 18 (2026) | Highlands | Highlands | Scotland | Unspecified Buzzard | Buteo | H5N1 | 1 |
| 18 (2026) | Moray | Moray | Scotland | Goshawk | Accipiter gentilis | H5N1 | 1 |
| 18 (2026) | North Ayrshire | North Ayrshire | Scotland | Unspecified Buzzard | Buteo | H5N1 | 1 |
| 18 (2026) | Perth and Kinross | Perth and Kinross | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 19 (2026) | Moray | Moray | Scotland | Goshawk | Accipiter gentilis | H5N1 | 1 |
| 20 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |
| 21 (2026) | Clackmannanshire | Clackmannanshire | Scotland | Common Buzzard | Buteo buteo | H5N1 | 1 |
| 21 (2026) | Stirling | Stirling | Scotland | Unspecified Buzzard | Buteo | H5N1 | 1 |
| 22 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |
| 23 (2026) | Highlands | Highlands | Scotland | Pink Footed Goose | Anser brachyrhynchus | H5N1 | 1 |
| 24 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |
| 25 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |
| 26 (2026) | London Borough of Tower Hamlets | Greater London | England | Herring Gull | Larus argentatus | H5N1 | 1 |
| 27 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |
| 28 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |
| 29 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |
| 30 (2026) | Brighton and Hove | East Sussex | England | Unspecified Gull | Laridae | H5N1 | 1 |
| 31 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |
| 32 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |
| 33 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |
| 34 (2026) | Flintshire | Flintshire | Wales | Canada Goose | Branta canadensis | H5N1 | 1 |
| 35 (2026) | Brighton and Hove | East Sussex | England | Herring Gull | Larus argentatus | H5N1 | 1 |
| 36 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |
| 37 (2026) | Aberdeenshire | Aberdeenshire | Scotland | Mallard Duck | Anas platyrhynchos | H5N1 | 1 |
| 37 (2026) | Rother | East Sussex | England | Herring Gull | Larus argentatus | H5N1 | 1 |
| 37 (2026) | Thanet | Kent | England | Herring Gull | Larus argentatus | H5N1 | 1 |
| 38 (2026) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | 0 |