Birding sites: United Kingdom of Great Britain and Northern Ireland (UK) (88)
- Abberton Reservoir
- Abbotsbury Swannery
- Aberlady Bay LNR
- Aberystwyth
- Alkborough Flats
- Amwell NR
- Attenborough Nature Reserve
- Balranald RSPB Reserve
- Baron's Haugh Nature Reserve
- Beddington Farmlands
- Bempton Cliffs RSPB Reserve
- Benacre NNR
- Blacktoft Sands RSPB Reserve
- Blakeney NNR
- Boyton Marshes RSPB Reserve
- Brent Reservoir
- Cairngorms National Park
- Chew Valley Lake
- Cley & Salthouse Marshes NR
- Cliffe Pools RSPB Reserve
- Cresswell Pond NWT NR
- Dawlish Warren NNR
- Dee Estuary (Flint to Connah's Quay)
- Druridge Pools NR
- Dungeness NNR
- Dunwich Heath
- East Chevington NWT NR
- Elmley NNR
- Fair Isle
- Fairburn Ings RSPB Reserve
- Farlington Marshes Nature Reserve
- Farmoor Reservoir
- Fen Drayton Lakes RSPB Reserve
- Flamborough Head
- Floodplain Forest Nature Reserve
- Frampton Marsh RSPB Reserve
- Freiston Shore RSPB Reserve
- Gibraltar Point NNR
- Girdleness
- Holkham National Nature Reserve
- Hollesley Marshes RSPB Reserve
- Holme Dunes NWT NR
- Holy Island
- Isles of Scilly
- Kenfig National Nature Reserve
- Keyhaven and Pennington Marshes LNR
- Landguard Point
- Langford Lakes Nature Reserve, Wiltshire Wildlife Trust
- Leighton Moss RSPB Reserve
- Loch Garten RSPB Reserve
- Lochindorb
- Lodmoor RSPB Reserve
- Minsmere RSPB Reserve
- Montrose Basin
- Oare Marshes LNR
- Osterley Park
- Ouse Washes RSPB Reserve
- Pagham Harbour & Medmerry RSPB reserves
- Port Meadow, Oxford
- Portland Bill
- Radipole Lake RSPB Reserve
- Rainham Marshes RSPB Reserve
- Rainton Meadows Nature Reserve
- RSPB Fowlmere
- RSPB Ham Wall
- RSPB Otmoor
- Rutland Water NR
- Rye Harbour NR
- Saltholme RSPB Reserve
- Sandwich Bay
- Shingle Street
- Slimbridge Wetland Centre WWT
- Snettisham RSPB Reserve
- South Walney NR
- Spurn Point NNR
- St Mary's Island NR
- Staines Reservoirs and Moor
- Stodmarsh NNR
- Strathbeg RSPB Reserve
- Teesside South Gare
- The Lizard Peninsula
- The River Cray Confluence
- Titchwell Marsh RSPB Reserve
- Warren Farm Nature Reserve
- Whitburn Coastal Park
- Wicken Fen Nature Reserve
- WWT Welney
- Ythan Estuary
