The DEFRA map shows the levels of avian flu in this area, zoom in to view the current control zones: https://defra.maps.arcgis.com/apps/webappviewer/index.html?id=8cb1883eda5547c6b91b5d5e6aeba90d
If you suspect the signs of bird flu see the Gov.UK website for guidance: https://www.gov.uk/guidance/avian-influenza-bird-flu
This letter is from DEFRA and was posted to all residents' homes. It includes information & a registration form:
Bird Flu DEFRA Dec 2022-page-001 by spoonerrow, on Flickr
Bird Flu DEFRA Dec 2022-page-002 by spoonerrow, on Flickr
Bird Flu DEFRA Dec 2022-page-003 by spoonerrow, on Flickr