John Martin: Britain, Ireland and Isle of Man Year List 2023 BOU/IRBC, All records: Top Blockers Record(s) 1 to 218 of 218 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 24 70.59 2 Canada Goose Branta canadensis 28 82.35 3 Barnacle Goose Branta leucopsis 19 55.88 4 Greylag Goose Anser anser 27 79.41 5 Pink-footed Goose Anser brachyrhynchus 21 61.76 6 White-fronted Goose Anser albifrons 16 47.06 7 Mute Swan Cygnus olor 29 85.29 8 Bewick's Swan Cygnus columbianus 11 32.35 9 Whooper Swan Cygnus cygnus 18 52.94 10 Shelduck Tadorna tadorna 25 73.53 11 Mandarin Duck Aix galericulata 21 61.76 12 Garganey Spatula querquedula 11 32.35 13 Blue-winged Teal Spatula discors 2 5.88 14 Shoveler Spatula clypeata 28 82.35 15 Gadwall Mareca strepera 28 82.35 16 Wigeon Mareca penelope 29 85.29 17 American Wigeon Mareca americana 6 17.65 18 Mallard Anas platyrhynchos 29 85.29 19 Pintail Anas acuta 23 67.65 20 Teal Anas crecca 29 85.29 21 Red-crested Pochard Netta rufina 13 38.24 22 Pochard Aythya ferina 25 73.53 23 Ring-necked Duck Aythya collaris 7 20.59 24 Tufted Duck Aythya fuligula 28 82.35 25 Scaup Aythya marila 16 47.06 26 Eider Somateria mollissima 19 55.88 27 Velvet Scoter Melanitta fusca 12 35.29 28 Common Scoter Melanitta nigra 19 55.88 29 Long-tailed Duck Clangula hyemalis 14 41.18 30 Goldeneye Bucephala clangula 23 67.65 31 Smew Mergellus albellus 15 44.12 32 Goosander Mergus merganser 26 76.47 33 Red-breasted Merganser Mergus serrator 16 47.06 34 Red Grouse Lagopus lagopus 16 47.06 35 Black Grouse Lyrurus tetrix 4 11.76 36 Grey Partridge Perdix perdix 14 41.18 37 Pheasant Phasianus colchicus 28 82.35 38 Red-legged Partridge Alectoris rufa 20 58.82 39 Swift Apus apus 22 64.71 40 Cuckoo Cuculus canorus 16 47.06 41 Rock Dove (Feral Pigeon) Columba livia 19 55.88 42 Stock Dove Columba oenas 24 70.59 43 Woodpigeon Columba palumbus 29 85.29 44 Collared Dove Streptopelia decaocto 28 82.35 45 Water Rail Rallus aquaticus 18 52.94 46 Moorhen Gallinula chloropus 29 85.29 47 Coot Fulica atra 28 82.35 48 Little Grebe Tachybaptus ruficollis 27 79.41 49 Red-necked Grebe Podiceps grisegena 9 26.47 50 Great Crested Grebe Podiceps cristatus 26 76.47 51 Slavonian Grebe Podiceps auritus 10 29.41 52 Black-necked Grebe Podiceps nigricollis 11 32.35 53 Oystercatcher Haematopus ostralegus 26 76.47 54 Black-winged Stilt Himantopus himantopus 14 41.18 55 Avocet Recurvirostra avosetta 23 67.65 56 Grey Plover Pluvialis squatarola 21 61.76 57 Golden Plover Pluvialis apricaria 22 64.71 58 Ringed Plover Charadrius hiaticula 23 67.65 59 Little Ringed Plover Charadrius dubius 18 52.94 60 Lapwing Vanellus vanellus 28 82.35 61 Eurasian Whimbrel Numenius phaeopus 15 44.12 62 Curlew Numenius arquata 27 79.41 63 Bar-tailed Godwit Limosa lapponica 20 58.82 64 Black-tailed Godwit Limosa limosa 24 70.59 65 Woodcock Scolopax rusticola 13 38.24 66 Common Snipe Gallinago gallinago 26 76.47 67 Grey Phalarope Phalaropus fulicarius 4 11.76 68 Red-necked Phalarope Phalaropus lobatus 5 14.71 69 Common Sandpiper Actitis hypoleucos 21 61.76 70 Green Sandpiper Tringa ochropus 18 52.94 71 Wood Sandpiper Tringa glareola 10 29.41 72 Redshank Tringa totanus 27 79.41 73 Lesser Yellowlegs Tringa flavipes 8 23.53 74 Spotted Redshank Tringa erythropus 14 41.18 75 Greenshank Tringa nebularia 19 55.88 76 Turnstone Arenaria interpres 24 70.59 77 Knot Calidris canutus 20 58.82 78 Ruff Calidris pugnax 22 64.71 79 Sharp-tailed Sandpiper Calidris acuminata 2 5.88 80 Curlew Sandpiper Calidris ferruginea 12 35.29 81 Temminck's Stint Calidris temminckii 9 26.47 82 Sanderling Calidris alba 20 58.82 83 Dunlin Calidris alpina 25 73.53 84 Purple Sandpiper Calidris maritima 14 41.18 85 Little Stint Calidris minuta 13 38.24 86 Little Tern Sternula albifrons 12 35.29 87 Black Tern Chlidonias niger 7 20.59 88 Arctic Tern Sterna paradisaea 13 38.24 89 Common Tern Sterna hirundo 21 61.76 90 Sandwich Tern Thalasseus sandvicensis 19 55.88 91 Little Gull Hydrocoloeus minutus 13 38.24 92 Kittiwake Rissa tridactyla 17 50.00 93 Black-headed Gull Chroicocephalus ridibundus 29 85.29 94 Mediterranean Gull Ichthyaetus melanocephalus 23 67.65 95 Common Gull Larus canus 25 73.53 96 Caspian Gull Larus cachinnans 10 29.41 97 Herring Gull Larus argentatus 27 79.41 98 Great Black-backed Gull Larus marinus 26 76.47 99 Lesser Black-backed Gull Larus fuscus 27 79.41 100 Iceland Gull Larus glaucoides 6 17.65 101 Arctic Skua Stercorarius parasiticus 12 35.29 102 Pomarine Skua Stercorarius pomarinus 5 14.71 103 Great Skua Stercorarius skua 9 26.47 104 Puffin Fratercula arctica 14 41.18 105 Razorbill Alca torda 16 47.06 106 Guillemot Uria aalge 20 58.82 107 Red-throated Diver Gavia stellata 16 47.06 108 Great Northern Diver Gavia immer 19 55.88 109 Great Shearwater Ardenna gravis 3 8.82 110 Manx Shearwater Puffinus puffinus 16 47.06 111 Gannet Morus bassanus 21 61.76 112 Brown Booby Sula leucogaster 9 26.47 113 Cormorant Phalacrocorax carbo 29 85.29 114 Glossy Ibis Plegadis falcinellus 5 14.71 115 Spoonbill Platalea leucorodia 16 47.06 116 Bittern Botaurus stellaris 14 41.18 117 Little Egret Egretta garzetta 28 82.35 118 Squacco Heron Ardeola ralloides 5 14.71 119 Cattle Egret Bubulcus ibis 13 38.24 120 Great White Egret Ardea alba 21 61.76 121 Grey Heron Ardea cinerea 28 82.35 122 Osprey Pandion haliaetus 18 52.94 123 Honey-buzzard Pernis apivorus 5 14.71 124 Sparrowhawk Accipiter nisus 28 82.35 125 Goshawk Accipiter gentilis 12 35.29 126 Marsh Harrier Circus aeruginosus 27 79.41 127 Hen Harrier Circus cyaneus 18 52.94 128 Red Kite Milvus milvus 25 73.53 129 Rough-legged Buzzard Buteo lagopus 4 11.76 130 Buzzard Buteo buteo 27 79.41 131 Barn Owl Tyto alba 21 61.76 132 Little Owl Athene noctua 12 35.29 133 Short-eared Owl Asio flammeus 14 41.18 134 Tawny Owl Strix aluco 17 50.00 135 Kingfisher Alcedo atthis 24 70.59 136 Great Spotted Woodpecker Dendrocopos major 28 82.35 137 Green Woodpecker Picus viridis 22 64.71 138 Kestrel Falco tinnunculus 28 82.35 139 Merlin Falco columbarius 14 41.18 140 Hobby Falco subbuteo 13 38.24 141 Peregrine Falco peregrinus 23 67.65 142 Ring-necked Parakeet Psittacula krameri 15 44.12 143 Red-eyed Vireo Vireo olivaceus 2 5.88 144 Great Grey Shrike Lanius excubitor 3 8.82 145 Red-backed Shrike Lanius collurio 7 20.59 146 Jay Garrulus glandarius 28 82.35 147 Magpie Pica pica 29 85.29 148 Jackdaw Coloeus monedula 29 85.29 149 Rook Corvus frugilegus 27 79.41 150 Carrion Crow Corvus corone 29 85.29 151 Waxwing Bombycilla garrulus 14 41.18 152 Coal Tit Periparus ater 22 64.71 153 Marsh Tit Poecile palustris 13 38.24 154 Willow Tit Poecile montanus 6 17.65 155 Blue Tit Cyanistes caeruleus 29 85.29 156 Great Tit Parus major 29 85.29 157 Bearded Tit Panurus biarmicus 13 38.24 158 Woodlark Lullula arborea 7 20.59 159 Skylark Alauda arvensis 24 70.59 160 Sand Martin Riparia riparia 23 67.65 161 Swallow Hirundo rustica 24 70.59 162 House Martin Delichon urbicum 24 70.59 163 Cetti's Warbler Cettia cetti 24 70.59 164 Long-tailed Tit Aegithalos caudatus 28 82.35 165 Yellow-browed Warbler Phylloscopus inornatus 8 23.53 166 Willow Warbler Phylloscopus trochilus 21 61.76 167 Chiffchaff Phylloscopus collybita 27 79.41 168 Sedge Warbler Acrocephalus schoenobaenus 21 61.76 169 Reed Warbler Acrocephalus scirpaceus 20 58.82 170 Marsh Warbler Acrocephalus palustris 5 14.71 171 Grasshopper Warbler Locustella naevia 7 20.59 172 Blackcap Sylvia atricapilla 23 67.65 173 Garden Warbler Sylvia borin 19 55.88 174 Barred Warbler Curruca nisoria 6 17.65 175 Lesser Whitethroat Curruca curruca 14 41.18 176 Whitethroat Curruca communis 22 64.71 177 Goldcrest Regulus regulus 26 76.47 178 Wren Troglodytes troglodytes 27 79.41 179 Nuthatch Sitta europaea 24 70.59 180 Starling Sturnus vulgaris 28 82.35 181 Song Thrush Turdus philomelos 27 79.41 182 Mistle Thrush Turdus viscivorus 25 73.53 183 Redwing Turdus iliacus 28 82.35 184 Blackbird Turdus merula 29 85.29 185 Fieldfare Turdus pilaris 23 67.65 186 Black-throated Thrush Turdus atrogularis 4 11.76 187 Spotted Flycatcher Muscicapa striata 15 44.12 188 Robin Erithacus rubecula 29 85.29 189 Redstart Phoenicurus phoenicurus 15 44.12 190 Whinchat Saxicola rubetra 12 35.29 191 Stonechat Saxicola rubicola 25 73.53 192 Wheatear Oenanthe oenanthe 19 55.88 193 Dipper Cinclus cinclus 19 55.88 194 Tree Sparrow Passer montanus 18 52.94 195 House Sparrow Passer domesticus 28 82.35 196 Dunnock Prunella modularis 29 85.29 197 Yellow Wagtail Motacilla flava 18 52.94 198 Grey Wagtail Motacilla cinerea 24 70.59 199 Pied Wagtail Motacilla alba 27 79.41 200 Meadow Pipit Anthus pratensis 25 73.53 201 Tree Pipit Anthus trivialis 13 38.24 202 Water Pipit Anthus spinoletta 10 29.41 203 Rock Pipit Anthus petrosus 19 55.88 204 Chaffinch Fringilla coelebs 27 79.41 205 Brambling Fringilla montifringilla 16 47.06 206 Hawfinch Coccothraustes coccothraustes 9 26.47 207 Bullfinch Pyrrhula pyrrhula 23 67.65 208 Greenfinch Chloris chloris 27 79.41 209 Linnet Linaria cannabina 27 79.41 210 Lesser Redpoll Acanthis cabaret 17 50.00 211 Common Crossbill Loxia curvirostra 11 32.35 212 Goldfinch Carduelis carduelis 29 85.29 213 Siskin Spinus spinus 23 67.65 214 Lapland Bunting Calcarius lapponicus 2 5.88 215 Corn Bunting Emberiza calandra 11 32.35 216 Yellowhammer Emberiza citrinella 21 61.76 217 Red-headed Bunting Emberiza bruniceps 6 17.65 218 Reed Bunting Emberiza schoeniclus 26 76.47