John Watts: Britain Year List 2023 BOU, All records: Top Blockers Record(s) 1 to 200 of 200 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 388 78.23 2 Red-breasted Goose Branta ruficollis 63 12.70 3 Canada Goose Branta canadensis 487 98.19 4 Cackling Goose Branta hutchinsii 70 14.11 5 Greylag Goose Anser anser 481 96.98 6 Pink-footed Goose Anser brachyrhynchus 399 80.44 7 Mute Swan Cygnus olor 490 98.79 8 Bewick's Swan Cygnus columbianus 258 52.02 9 Whooper Swan Cygnus cygnus 386 77.82 10 Egyptian Goose Alopochen aegyptiaca 391 78.83 11 Shelduck Tadorna tadorna 477 96.17 12 Garganey Spatula querquedula 320 64.52 13 Blue-winged Teal Spatula discors 82 16.53 14 Shoveler Spatula clypeata 468 94.35 15 Gadwall Mareca strepera 464 93.55 16 Wigeon Mareca penelope 472 95.16 17 Mallard Anas platyrhynchos 489 98.59 18 Pintail Anas acuta 435 87.70 19 Teal Anas crecca 478 96.37 20 Green-winged Teal Anas carolinensis 116 23.39 21 Red-crested Pochard Netta rufina 204 41.13 22 Pochard Aythya ferina 455 91.73 23 Ring-necked Duck Aythya collaris 233 46.98 24 Tufted Duck Aythya fuligula 478 96.37 25 Scaup Aythya marila 318 64.11 26 Common Scoter Melanitta nigra 378 76.21 27 Goldeneye Bucephala clangula 432 87.10 28 Smew Mergellus albellus 245 49.40 29 Goosander Mergus merganser 434 87.50 30 Red-breasted Merganser Mergus serrator 364 73.39 31 Ruddy Duck Oxyura jamaicensis 24 4.84 32 Red Grouse Lagopus lagopus 258 52.02 33 Grey Partridge Perdix perdix 314 63.31 34 Pheasant Phasianus colchicus 483 97.38 35 Red-legged Partridge Alectoris rufa 405 81.65 36 Swift Apus apus 443 89.31 37 Cuckoo Cuculus canorus 389 78.43 38 Rock Dove (Feral Pigeon) Columba livia 417 84.07 39 Stock Dove Columba oenas 449 90.52 40 Woodpigeon Columba palumbus 490 98.79 41 Turtle Dove Streptopelia turtur 174 35.08 42 Collared Dove Streptopelia decaocto 484 97.58 43 Water Rail Rallus aquaticus 383 77.22 44 Moorhen Gallinula chloropus 488 98.39 45 Coot Fulica atra 483 97.38 46 Crane Grus grus 257 51.81 47 Little Grebe Tachybaptus ruficollis 466 93.95 48 Great Crested Grebe Podiceps cristatus 467 94.15 49 Stone-curlew Burhinus oedicnemus 155 31.25 50 Oystercatcher Haematopus ostralegus 471 94.96 51 Black-winged Stilt Himantopus himantopus 225 45.36 52 Avocet Recurvirostra avosetta 432 87.10 53 Grey Plover Pluvialis squatarola 375 75.60 54 Golden Plover Pluvialis apricaria 421 84.88 55 Ringed Plover Charadrius hiaticula 443 89.31 56 Little Ringed Plover Charadrius dubius 373 75.20 57 Lapwing Vanellus vanellus 479 96.57 58 Eurasian Whimbrel Numenius phaeopus 335 67.54 59 Curlew Numenius arquata 465 93.75 60 Bar-tailed Godwit Limosa lapponica 376 75.81 61 Black-tailed Godwit Limosa limosa 444 89.52 62 Snipe Gallinago gallinago 446 89.92 63 Red-necked Phalarope Phalaropus lobatus 84 16.94 64 Common Sandpiper Actitis hypoleucos 408 82.26 65 Green Sandpiper Tringa ochropus 349 70.36 66 Wood Sandpiper Tringa glareola 259 52.22 67 Redshank Tringa totanus 470 94.76 68 Lesser Yellowlegs Tringa flavipes 128 25.81 69 Spotted Redshank Tringa erythropus 300 60.48 70 Greenshank Tringa nebularia 375 75.60 71 Turnstone Arenaria interpres 433 87.30 72 Knot Calidris canutus 347 69.96 73 Ruff Calidris pugnax 390 78.63 74 Curlew Sandpiper Calidris ferruginea 267 53.83 75 Temminck's Stint Calidris temminckii 144 29.03 76 Sanderling Calidris alba 387 78.02 77 Dunlin Calidris alpina 452 91.13 78 Purple Sandpiper Calidris maritima 289 58.27 79 Little Stint Calidris minuta 262 52.82 80 White-rumped Sandpiper Calidris fuscicollis 113 22.78 81 Pectoral Sandpiper Calidris melanotos 167 33.67 82 Little Tern Sternula albifrons 246 49.60 83 Common Tern Sterna hirundo 406 81.85 84 Sandwich Tern Thalasseus sandvicensis 361 72.78 85 Kittiwake Rissa tridactyla 379 76.41 86 Black-headed Gull Chroicocephalus ridibundus 485 97.78 87 Mediterranean Gull Ichthyaetus melanocephalus 385 77.62 88 Common Gull Larus canus 461 92.94 89 Caspian Gull Larus cachinnans 200 40.32 90 Herring Gull Larus argentatus 483 97.38 91 Yellow-legged Gull Larus michahellis 222 44.76 92 Great Black-backed Gull Larus marinus 454 91.53 93 Glaucous Gull Larus hyperboreus 67 13.51 94 Lesser Black-backed Gull Larus fuscus 462 93.15 95 Iceland Gull Larus glaucoides 109 21.98 96 Arctic Skua Stercorarius parasiticus 261 52.62 97 Puffin Fratercula arctica 260 52.42 98 Razorbill Alca torda 372 75.00 99 Common Guillemot Uria aalge 391 78.83 100 Great Northern Diver Gavia immer 328 66.13 101 Fulmar Fulmarus glacialis 368 74.19 102 Manx Shearwater Puffinus puffinus 274 55.24 103 Black Stork Ciconia nigra 32 6.45 104 Gannet Morus bassanus 404 81.45 105 Brown Booby Sula leucogaster 141 28.43 106 Cormorant Phalacrocorax carbo 485 97.78 107 Shag Gulosus aristotelis 393 79.23 108 Spoonbill Platalea leucorodia 348 70.16 109 Bittern Botaurus stellaris 293 59.07 110 Little Bittern Ixobrychus minutus 8 1.61 111 Night-heron Nycticorax nycticorax 186 37.50 112 Little Egret Egretta garzetta 473 95.36 113 Cattle Egret Bubulcus ibis 336 67.74 114 Great White Egret Ardea alba 428 86.29 115 Grey Heron Ardea cinerea 484 97.58 116 Osprey Pandion haliaetus 304 61.29 117 Sparrowhawk Accipiter nisus 469 94.56 118 Goshawk Accipiter gentilis 241 48.59 119 Marsh Harrier Circus aeruginosus 440 88.71 120 Hen Harrier Circus cyaneus 319 64.31 121 Red Kite Milvus milvus 467 94.15 122 White-tailed Eagle Haliaeetus albicilla 164 33.06 123 Buzzard Buteo buteo 487 98.19 124 Barn Owl Tyto alba 413 83.27 125 Long-eared Owl Asio otus 203 40.93 126 Short-eared Owl Asio flammeus 310 62.50 127 Tawny Owl Strix aluco 385 77.62 128 Hoopoe Upupa epops 90 18.15 129 Kingfisher Alcedo atthis 433 87.30 130 Great Spotted Woodpecker Dendrocopos major 467 94.15 131 Green Woodpecker Picus viridis 406 81.85 132 Kestrel Falco tinnunculus 486 97.98 133 Merlin Falco columbarius 280 56.45 134 Hobby Falco subbuteo 352 70.97 135 Peregrine Falco peregrinus 427 86.09 136 Red-backed Shrike Lanius collurio 129 26.01 137 Jay Garrulus glandarius 470 94.76 138 Magpie Pica pica 490 98.79 139 Jackdaw Coloeus monedula 488 98.39 140 Rook Corvus frugilegus 476 95.97 141 Carrion Crow Corvus corone 489 98.59 142 Raven Corvus corax 430 86.69 143 Coal Tit Periparus ater 468 94.35 144 Blue Tit Cyanistes caeruleus 488 98.39 145 Great Tit Parus major 487 98.19 146 Bearded Tit Panurus biarmicus 291 58.67 147 Skylark Alauda arvensis 469 94.56 148 Sand Martin Riparia riparia 443 89.31 149 Swallow Hirundo rustica 453 91.33 150 House Martin Delichon urbicum 444 89.52 151 Cetti's Warbler Cettia cetti 419 84.48 152 Long-tailed Tit Aegithalos caudatus 483 97.38 153 Hume's Warbler Phylloscopus humei 87 17.54 154 Pallas's Warbler Phylloscopus proregulus 130 26.21 155 Willow Warbler Phylloscopus trochilus 425 85.69 156 Chiffchaff Phylloscopus collybita 465 93.75 157 Sedge Warbler Acrocephalus schoenobaenus 411 82.86 158 Reed Warbler Acrocephalus scirpaceus 388 78.23 159 Grasshopper Warbler Locustella naevia 235 47.38 160 Blackcap Sylvia atricapilla 457 92.14 161 Garden Warbler Sylvia borin 365 73.59 162 Lesser Whitethroat Curruca curruca 324 65.32 163 Whitethroat Curruca communis 428 86.29 164 Goldcrest Regulus regulus 458 92.34 165 Wren Troglodytes troglodytes 486 97.98 166 Nuthatch Sitta europaea 447 90.12 167 Treecreeper Certhia familiaris 438 88.31 168 Starling Sturnus vulgaris 487 98.19 169 Song Thrush Turdus philomelos 472 95.16 170 Mistle Thrush Turdus viscivorus 452 91.13 171 Redwing Turdus iliacus 466 93.95 172 Blackbird Turdus merula 490 98.79 173 Fieldfare Turdus pilaris 452 91.13 174 Spotted Flycatcher Muscicapa striata 322 64.92 175 Robin Erithacus rubecula 485 97.78 176 Black Redstart Phoenicurus ochruros 245 49.40 177 Redstart Phoenicurus phoenicurus 313 63.10 178 Whinchat Saxicola rubetra 305 61.49 179 Stonechat Saxicola rubicola 459 92.54 180 Wheatear Oenanthe oenanthe 413 83.27 181 Dipper Cinclus cinclus 330 66.53 182 Tree Sparrow Passer montanus 329 66.33 183 House Sparrow Passer domesticus 488 98.39 184 Dunnock Prunella modularis 481 96.98 185 Yellow Wagtail Motacilla flava 338 68.15 186 Grey Wagtail Motacilla cinerea 451 90.93 187 Pied Wagtail Motacilla alba 478 96.37 188 Meadow Pipit Anthus pratensis 467 94.15 189 Tree Pipit Anthus trivialis 286 57.66 190 Chaffinch Fringilla coelebs 484 97.58 191 Brambling Fringilla montifringilla 316 63.71 192 Hawfinch Coccothraustes coccothraustes 234 47.18 193 Bullfinch Pyrrhula pyrrhula 435 87.70 194 Greenfinch Chloris chloris 471 94.96 195 Linnet Linaria cannabina 458 92.34 196 Goldfinch Carduelis carduelis 486 97.98 197 Siskin Spinus spinus 425 85.69 198 Corn Bunting Emberiza calandra 285 57.46 199 Yellowhammer Emberiza citrinella 421 84.88 200 Reed Bunting Emberiza schoeniclus 463 93.35