With some obvious gaps
Red-throated Diver
Black-throated Diver
Great-Northern Diver
Great Crested Grebe
Red-necked Grebe
Slavonion Grebe
Black-necked Grebe
Little Grebe
Fulmar
Manx Shearwater
Storm Petrel
Gannet
Cormorant
Shag
Bittern
Cattle Egret
Little Egret
Grey Heron
Purple Heron
Spoonbill
Mute Swan
Berwicks Swan
Whooper Swan
Snow Goose
Greylag
Tundra Bean Goose
Pink-footed Goose
White-fronted Goose
Brent Goose
Black Brant
Barnacle Goose
Canada Goose
Red-breasted Goose
Shelduck
Ruddy Shelduck
Egyption Goose
Mandarin
Mallard
Gadwall
Wigeon
Teal
Green-winged Teal
Garganey
Blue-winged Teal
Pintail
Shoveler
Marbled Duck
Red-crested Pochard
Tufted Duck
Ring-necked Duck
Scaup
Pochard
Ferruginous Duck
Eider
Common Scoter
Velvet Scoter
Surf Scoter
Goldeneye
Long-tailed Duck
Goosander
Red-breasted Merganser
Smew
Ruddy Duck
Osprey
White-tailed Eagle
Black Kite
Red Kite
Marsh Harrier
Hen Harrier
Montagus Harrier
Sparrowhawk
Goshawk
Buzzard
Honey Buzzard
Gyr Falcon
Peregrine
Hobby
Merlin
Kestrel
Pheasant
Golden Pheasant
Grey Partridge
Red-legged Partridge
Quail
Spotted Crake
Water Rail
Moorhen
Purple Gallinule
Coot
Common Crane
Oystercatcher
Black-winged Stilt
Avocet
Ringed Plover
Semipalmated Plover
Little-ringed Plover
Grey Plover
Golden Plover
Lapwing
Dunlin
Curlew-Sandpiper
Knot
Sanderling
Little Stint
Western Sandpiper
Purple Sandpiper
Pectoral Sandpiper
Broad-billed Sandpiper
Ruff
Buff-breasted Sandpiper
Snipe
Jack Snipe
Woodcock
Black-tailed Godwit
Bar-tailed Godwit
Curlew
Whimbrel
Spotted Redshank
Redshank
Lesser Yellowlegs
Greenshank
Wood Sandpiper
Green Sandpiper
Common Sandpiper
Turnstone
Grey Phalarope
Red-necked Phalarope
Great Skua
Arctic Skua
Pomarine Skua
Long-tailed Skua
Black-headed Gull
Little Gull
Mediterranean Gull
Ring-billed Gull
Yellow-legged Gull
Caspian Gull
Herring Gull
Lesser Black-backed Gull
Great Black-backed Gull
Glaucous Gull
Iceland Gull
Common Gull
Kittiwake
Caspian Tern
Roseate Tern
Arctic Tern
Common Tern
Forsters Tern
Little Tern
Sandwich Tern
Gull-billed Tern
Black Tern
Whiskered Tern
Razorbill
Guillemot
Puffin
Black Guillemot
Feral Pigeon
Woodpigeon
Stock Dove
Collared Dove
Turtle Dove
Ring-necked Parakeet
Cuckoo
Little Owl
Long-eared Owl
Short-eared Owl
Tawny Owl
Barn Owl
Nightjar
Swft
Kingfisher
Hoopoe
Green Woodpecker
Great-spotted Woodpecker
Lesser-Spotted Woodpecker
Wryneck
Woodlark
Skylark
Black Lark
Shore Lark
Sand Martin
House Martin
Swallow
Red-rumped Swallow
Meadow Pipit
Tree Pipit
Water Pipit
Rock Pipit
Richards Pipit
Pied Wagtail
White Wagtail
Grey Wagtail
Yellow Wagtail
Blue-headed Wagtail
Waxwing
Dunnock
Nightingale
Robin
Stonechat
Whinchat
Black Redstart
Redstart
Wheatear
Blackbird
Ring Ouzel
Fieldfare
Redwing
Song Thrush
Mistle Thrush
Grasshopper Warbler
Savis Warbler
Reed Warbler
Marsh Warbler
Sedge Warbler
Cettis Warbler
Melodious Warbler
Garden Warbler
Whitethroat
Lesser Whitethroat
Barred Warbler
Blackcap
Sardinian Warbler
Dartford Warbler
Wood Warbler
Chiffchaff
Iberian Chiffchaff
Siberian Chiffchaff
Willow Warbler
Raddes Warbler
Dusky Warbler
Yellow-browed Warbler
Goldcrest
Firecrest
Spotted Flycatcher
Pied Flycatcher
Bearded Reedling
Long-tailed Tit
Penduline Tit
Marsh Tit
Willow Tit
Blue tit
Great Tit
Coal Tit
Nuthatch
Treecreeper
Wren
Dipper
Great Grey Shrike
Steppe Grey Shrike
Red-backed Shrike
Woodchat Shrike
Nutcracker
Jay
Magpie
Chough
Rook
Carrion Crow
Hooded Crow
Jackdaw
Raven
Golden Oriole
Starling
Rose-coloured Starling
House Sparrow
Tree Sparrow
Brambling
Chaffinch
Serin
Lesser Redpoll
Mealy Redpoll
Twite
Linnet
Siskin
Goldfinch
Greenfinch
Bullfinch
Common Rosefinch
Crossbill
Corn Bunting
Yellowhammer
Cirl Bunting
Reed Bunting
Snow Bunting
Slate-coloured Junco