Keith Tinworth: Britain, Ireland and Isle of Man Year List 2021 BOU/IRBC, All records: Top Blockers Record(s) 1 to 263 of 263 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 14 60.87 2 Red-breasted Goose Branta ruficollis 2 8.70 3 Canada Goose Branta canadensis 19 82.61 4 Barnacle Goose Branta leucopsis 14 60.87 5 Snow Goose Anser caerulescens 2 8.70 6 Greylag Goose Anser anser 16 69.57 7 Taiga Bean Goose Anser fabalis 2 8.70 8 Pink-footed Goose Anser brachyrhynchus 12 52.17 9 White-fronted Goose Anser albifrons 11 47.83 10 Mute Swan Cygnus olor 20 86.96 11 Bewick's Swan Cygnus columbianus 6 26.09 12 Whooper Swan Cygnus cygnus 10 43.48 13 Egyptian Goose Alopochen aegyptiaca 12 52.17 14 Shelduck Tadorna tadorna 18 78.26 15 Mandarin Duck Aix galericulata 12 52.17 16 Garganey Spatula querquedula 8 34.78 17 Shoveler Spatula clypeata 18 78.26 18 Gadwall Mareca strepera 19 82.61 19 Wigeon Mareca penelope 18 78.26 20 Mallard Anas platyrhynchos 19 82.61 21 Pintail Anas acuta 16 69.57 22 Teal Anas crecca 18 78.26 23 Red-crested Pochard Netta rufina 6 26.09 24 Pochard Aythya ferina 16 69.57 25 Ring-necked Duck Aythya collaris 3 13.04 26 Tufted Duck Aythya fuligula 19 82.61 27 Scaup Aythya marila 8 34.78 28 Eider Somateria mollissima 13 56.52 29 Velvet Scoter Melanitta fusca 7 30.43 30 Common Scoter Melanitta nigra 12 52.17 31 Long-tailed Duck Clangula hyemalis 9 39.13 32 Goldeneye Bucephala clangula 12 52.17 33 Smew Mergellus albellus 4 17.39 34 Goosander Mergus merganser 15 65.22 35 Red-breasted Merganser Mergus serrator 13 56.52 36 Red Grouse Lagopus lagopus 9 39.13 37 Capercaillie Tetrao urogallus 2 8.70 38 Black Grouse Lyrurus tetrix 5 21.74 39 Grey Partridge Perdix perdix 8 34.78 40 Pheasant Phasianus colchicus 21 91.30 41 Red-legged Partridge Alectoris rufa 12 52.17 42 Nightjar Caprimulgus europaeus 4 17.39 43 Swift Apus apus 18 78.26 44 Cuckoo Cuculus canorus 12 52.17 45 Rock Dove (Feral Pigeon) Columba livia 15 65.22 46 Stock Dove Columba oenas 17 73.91 47 Woodpigeon Columba palumbus 20 86.96 48 Turtle Dove Streptopelia turtur 5 21.74 49 Collared Dove Streptopelia decaocto 19 82.61 50 Water Rail Rallus aquaticus 11 47.83 51 Moorhen Gallinula chloropus 19 82.61 52 Coot Fulica atra 19 82.61 53 Crane Grus grus 6 26.09 54 Little Grebe Tachybaptus ruficollis 20 86.96 55 Red-necked Grebe Podiceps grisegena 4 17.39 56 Great Crested Grebe Podiceps cristatus 18 78.26 57 Slavonian Grebe Podiceps auritus 8 34.78 58 Black-necked Grebe Podiceps nigricollis 7 30.43 59 Stone-curlew Burhinus oedicnemus 2 8.70 60 Oystercatcher Haematopus ostralegus 18 78.26 61 Black-winged Stilt Himantopus himantopus 2 8.70 62 Avocet Recurvirostra avosetta 12 52.17 63 Grey Plover Pluvialis squatarola 10 43.48 64 Golden Plover Pluvialis apricaria 15 65.22 65 Pacific Golden Plover Pluvialis fulva 2 8.70 66 Dotterel Eudromias morinellus 3 13.04 67 Ringed Plover Charadrius hiaticula 15 65.22 68 Little Ringed Plover Charadrius dubius 8 34.78 69 Lapwing Vanellus vanellus 18 78.26 70 White-tailed Plover Vanellus leucurus 4 17.39 71 Eurasian Whimbrel Numenius phaeopus 13 56.52 72 Curlew Numenius arquata 19 82.61 73 Bar-tailed Godwit Limosa lapponica 14 60.87 74 Black-tailed Godwit Limosa limosa 15 65.22 75 Jack Snipe Lymnocryptes minimus 3 13.04 76 Woodcock Scolopax rusticola 10 43.48 77 Common Snipe Gallinago gallinago 16 69.57 78 Grey Phalarope Phalaropus fulicarius 4 17.39 79 Red-necked Phalarope Phalaropus lobatus 4 17.39 80 Common Sandpiper Actitis hypoleucos 16 69.57 81 Green Sandpiper Tringa ochropus 11 47.83 82 Wood Sandpiper Tringa glareola 7 30.43 83 Redshank Tringa totanus 19 82.61 84 Spotted Redshank Tringa erythropus 8 34.78 85 Greenshank Tringa nebularia 11 47.83 86 Turnstone Arenaria interpres 16 69.57 87 Knot Calidris canutus 11 47.83 88 Ruff Calidris pugnax 12 52.17 89 Curlew Sandpiper Calidris ferruginea 7 30.43 90 Temminck's Stint Calidris temminckii 3 13.04 91 Long-toed Stint Calidris subminuta 3 13.04 92 Sanderling Calidris alba 13 56.52 93 Dunlin Calidris alpina 16 69.57 94 Purple Sandpiper Calidris maritima 9 39.13 95 Little Stint Calidris minuta 9 39.13 96 White-rumped Sandpiper Calidris fuscicollis 2 8.70 97 Pectoral Sandpiper Calidris melanotos 5 21.74 98 Western Sandpiper Calidris mauri 1 4.35 99 Collared Pratincole Glareola pratincola 4 17.39 100 Little Tern Sternula albifrons 8 34.78 101 Black Tern Chlidonias niger 2 8.70 102 Arctic Tern Sterna paradisaea 10 43.48 103 Common Tern Sterna hirundo 16 69.57 104 Roseate Tern Sterna dougallii 5 21.74 105 Sandwich Tern Thalasseus sandvicensis 14 60.87 106 Elegant Tern Thalasseus elegans 2 8.70 107 Little Gull Hydrocoloeus minutus 6 26.09 108 Kittiwake Rissa tridactyla 12 52.17 109 Sabine's Gull Xema sabini 2 8.70 110 Bonaparte's Gull Chroicocephalus philadelphia 5 21.74 111 Black-headed Gull Chroicocephalus ridibundus 20 86.96 112 Mediterranean Gull Ichthyaetus melanocephalus 13 56.52 113 Common Gull Larus canus 17 73.91 114 Caspian Gull Larus cachinnans 2 8.70 115 Herring Gull Larus argentatus 20 86.96 116 Yellow-legged Gull Larus michahellis 4 17.39 117 Great Black-backed Gull Larus marinus 19 82.61 118 Lesser Black-backed Gull Larus fuscus 18 78.26 119 Iceland Gull Larus glaucoides 6 26.09 120 Long-tailed Skua Stercorarius longicaudus 1 4.35 121 Arctic Skua Stercorarius parasiticus 6 26.09 122 Great Skua Stercorarius skua 10 43.48 123 Puffin Fratercula arctica 11 47.83 124 Black Guillemot Cepphus grylle 11 47.83 125 Razorbill Alca torda 17 73.91 126 Brunnich's Guillemot Uria lomvia 1 4.35 127 Guillemot Uria aalge 16 69.57 128 Red-throated Diver Gavia stellata 10 43.48 129 Black-throated Diver Gavia arctica 8 34.78 130 Great Northern Diver Gavia immer 9 39.13 131 Black-browed Albatross Thalassarche melanophris 6 26.09 132 Fulmar Fulmarus glacialis 16 69.57 133 Sooty Shearwater Ardenna grisea 4 17.39 134 Black Stork Ciconia nigra 2 8.70 135 White Stork Ciconia ciconia 5 21.74 136 Gannet Morus bassanus 17 73.91 137 Cormorant Phalacrocorax carbo 19 82.61 138 Shag Gulosus aristotelis 14 60.87 139 Glossy Ibis Plegadis falcinellus 6 26.09 140 Spoonbill Platalea leucorodia 9 39.13 141 Bittern Botaurus stellaris 5 21.74 142 Little Egret Egretta garzetta 17 73.91 143 Cattle Egret Bubulcus ibis 8 34.78 144 Great White Egret Ardea alba 12 52.17 145 Grey Heron Ardea cinerea 19 82.61 146 Osprey Pandion haliaetus 8 34.78 147 Honey-buzzard Pernis apivorus 2 8.70 148 Golden Eagle Aquila chrysaetos 5 21.74 149 Sparrowhawk Accipiter nisus 19 82.61 150 Goshawk Accipiter gentilis 4 17.39 151 Marsh Harrier Circus aeruginosus 13 56.52 152 Hen Harrier Circus cyaneus 7 30.43 153 Montagu's Harrier Circus pygargus 2 8.70 154 Red Kite Milvus milvus 15 65.22 155 White-tailed Eagle Haliaeetus albicilla 7 30.43 156 Buzzard Buteo buteo 19 82.61 157 Barn Owl Tyto alba 9 39.13 158 Little Owl Athene noctua 8 34.78 159 Long-eared Owl Asio otus 3 13.04 160 Short-eared Owl Asio flammeus 9 39.13 161 Tawny Owl Strix aluco 14 60.87 162 Roller Coracias garrulus 2 8.70 163 Kingfisher Alcedo atthis 18 78.26 164 Lesser Spotted Woodpecker Dryobates minor 4 17.39 165 Great Spotted Woodpecker Dendrocopos major 19 82.61 166 Green Woodpecker Picus viridis 12 52.17 167 Kestrel Falco tinnunculus 17 73.91 168 Red-footed Falcon Falco vespertinus 3 13.04 169 Merlin Falco columbarius 7 30.43 170 Hobby Falco subbuteo 13 56.52 171 Peregrine Falco peregrinus 18 78.26 172 Ring-necked Parakeet Psittacula krameri 12 52.17 173 Red-backed Shrike Lanius collurio 4 17.39 174 Jay Garrulus glandarius 19 82.61 175 Magpie Pica pica 20 86.96 176 Jackdaw Coloeus monedula 19 82.61 177 Rook Corvus frugilegus 20 86.96 178 Carrion Crow Corvus corone 19 82.61 179 Hooded Crow Corvus cornix 11 47.83 180 Raven Corvus corax 18 78.26 181 Coal Tit Periparus ater 18 78.26 182 Crested Tit Lophophanes cristatus 4 17.39 183 Marsh Tit Poecile palustris 9 39.13 184 Willow Tit Poecile montanus 5 21.74 185 Blue Tit Cyanistes caeruleus 19 82.61 186 Great Tit Parus major 18 78.26 187 Bearded Tit Panurus biarmicus 11 47.83 188 Woodlark Lullula arborea 5 21.74 189 Skylark Alauda arvensis 17 73.91 190 Shore Lark Eremophila alpestris 5 21.74 191 Short-toed Lark Calandrella brachydactyla 2 8.70 192 Sand Martin Riparia riparia 16 69.57 193 Swallow Hirundo rustica 18 78.26 194 House Martin Delichon urbicum 18 78.26 195 Cetti's Warbler Cettia cetti 11 47.83 196 Long-tailed Tit Aegithalos caudatus 19 82.61 197 Yellow-browed Warbler Phylloscopus inornatus 3 13.04 198 Willow Warbler Phylloscopus trochilus 14 60.87 199 Chiffchaff Phylloscopus collybita 16 69.57 200 Green Warbler Phylloscopus nitidus 1 4.35 201 Sedge Warbler Acrocephalus schoenobaenus 14 60.87 202 Reed Warbler Acrocephalus scirpaceus 14 60.87 203 Marsh Warbler Acrocephalus palustris 3 13.04 204 Sykes's Warbler Iduna rama 1 4.35 205 Grasshopper Warbler Locustella naevia 5 21.74 206 Blackcap Sylvia atricapilla 17 73.91 207 Garden Warbler Sylvia borin 8 34.78 208 Barred Warbler Curruca nisoria 3 13.04 209 Lesser Whitethroat Curruca curruca 10 43.48 210 Whitethroat Curruca communis 15 65.22 211 Dartford Warbler Curruca undata 8 34.78 212 Firecrest Regulus ignicapilla 6 26.09 213 Goldcrest Regulus regulus 18 78.26 214 Wren Troglodytes troglodytes 18 78.26 215 Nuthatch Sitta europaea 16 69.57 216 Treecreeper Certhia familiaris 15 65.22 217 Rose-coloured Starling Pastor roseus 3 13.04 218 Starling Sturnus vulgaris 20 86.96 219 Song Thrush Turdus philomelos 19 82.61 220 Mistle Thrush Turdus viscivorus 18 78.26 221 Redwing Turdus iliacus 18 78.26 222 Blackbird Turdus merula 19 82.61 223 Fieldfare Turdus pilaris 15 65.22 224 Ring Ouzel Turdus torquatus 10 43.48 225 Spotted Flycatcher Muscicapa striata 12 52.17 226 Robin Erithacus rubecula 17 73.91 227 Nightingale Luscinia megarhynchos 6 26.09 228 Red-breasted Flycatcher Ficedula parva 3 13.04 229 Pied Flycatcher Ficedula hypoleuca 6 26.09 230 Black Redstart Phoenicurus ochruros 7 30.43 231 Redstart Phoenicurus phoenicurus 8 34.78 232 Whinchat Saxicola rubetra 9 39.13 233 Stonechat Saxicola rubicola 17 73.91 234 Wheatear Oenanthe oenanthe 13 56.52 235 Dipper Cinclus cinclus 10 43.48 236 Tree Sparrow Passer montanus 11 47.83 237 House Sparrow Passer domesticus 19 82.61 238 Dunnock Prunella modularis 19 82.61 239 Yellow Wagtail Motacilla flava 9 39.13 240 Grey Wagtail Motacilla cinerea 17 73.91 241 Pied Wagtail Motacilla alba 17 73.91 242 Meadow Pipit Anthus pratensis 17 73.91 243 Tree Pipit Anthus trivialis 8 34.78 244 Water Pipit Anthus spinoletta 6 26.09 245 Rock Pipit Anthus petrosus 14 60.87 246 Chaffinch Fringilla coelebs 16 69.57 247 Brambling Fringilla montifringilla 8 34.78 248 Hawfinch Coccothraustes coccothraustes 6 26.09 249 Bullfinch Pyrrhula pyrrhula 17 73.91 250 Common Rosefinch Carpodacus erythrinus 3 13.04 251 Greenfinch Chloris chloris 17 73.91 252 Twite Linaria flavirostris 5 21.74 253 Linnet Linaria cannabina 15 65.22 254 Lesser Redpoll Acanthis cabaret 11 47.83 255 Scottish Crossbill Loxia scotica 3 13.04 256 Common Crossbill Loxia curvirostra 7 30.43 257 Goldfinch Carduelis carduelis 19 82.61 258 Siskin Spinus spinus 13 56.52 259 Lapland Bunting Calcarius lapponicus 4 17.39 260 Snow Bunting Plectrophenax nivalis 8 34.78 261 Corn Bunting Emberiza calandra 7 30.43 262 Yellowhammer Emberiza citrinella 13 56.52 263 Reed Bunting Emberiza schoeniclus 15 65.22