Wiltshire Ornithological Society
RSPB North Wilts Local Group
Blakehill Nature Reserve
Cotswold Water Park
Oxfordshire Ornithological Society
Farmoor Reservoir
Port Meadow Birding
Otmoor Birding
Berks Birds
Newbury District Ornithological Club
The Gloster Birder
The Birds of South Gloucestershire
Deanbirders
Birdwatching at Oldbury Power Station
Severnside Birds
Clevedon & Portishead Birds
Hampshire Ornithological Society
Somerset Ornithological Society
Chew Valley Lake Birding
Blagdon Lake Birds
Dorset Bird Club
Portland Bird Observatory
Gwent Ornithological Society
British Bird Identification Quiz
Birdguides
Surfbirds
Fatbirder
Birdforum
Cotswold Birdwatching Company