Dave Tanner: Scotland Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 170 of 170 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Canada Goose Branta canadensis 11 91.67 2 Barnacle Goose Branta leucopsis 10 83.33 3 Greylag Goose Anser anser 12 100.00 4 Pink-footed Goose Anser brachyrhynchus 10 83.33 5 Mute Swan Cygnus olor 11 91.67 6 Whooper Swan Cygnus cygnus 10 83.33 7 Shelduck Tadorna tadorna 11 91.67 8 Garganey Spatula querquedula 7 58.33 9 Shoveler Spatula clypeata 11 91.67 10 Gadwall Mareca strepera 11 91.67 11 Wigeon Mareca penelope 11 91.67 12 Mallard Anas platyrhynchos 11 91.67 13 Pintail Anas acuta 9 75.00 14 Teal Anas crecca 11 91.67 15 Green-winged Teal Anas carolinensis 4 33.33 16 Tufted Duck Aythya fuligula 11 91.67 17 Scaup Aythya marila 4 33.33 18 Eider Somateria mollissima 11 91.67 19 Velvet Scoter Melanitta fusca 9 75.00 20 Common Scoter Melanitta nigra 9 75.00 21 Long-tailed Duck Clangula hyemalis 8 66.67 22 Goldeneye Bucephala clangula 11 91.67 23 Smew Mergellus albellus 2 16.67 24 Goosander Mergus merganser 11 91.67 25 Red-breasted Merganser Mergus serrator 11 91.67 26 Red Grouse Lagopus lagopus 9 75.00 27 Black Grouse Lyrurus tetrix 8 66.67 28 Grey Partridge Perdix perdix 8 66.67 29 Pheasant Phasianus colchicus 11 91.67 30 Quail Coturnix coturnix 5 41.67 31 Red-legged Partridge Alectoris rufa 10 83.33 32 Swift Apus apus 11 91.67 33 Cuckoo Cuculus canorus 10 83.33 34 Rock Dove (Feral Pigeon) Columba livia 10 83.33 35 Stock Dove Columba oenas 9 75.00 36 Woodpigeon Columba palumbus 12 100.00 37 Collared Dove Streptopelia decaocto 11 91.67 38 Moorhen Gallinula chloropus 11 91.67 39 Coot Fulica atra 11 91.67 40 Little Grebe Tachybaptus ruficollis 11 91.67 41 Great Crested Grebe Podiceps cristatus 10 83.33 42 Slavonian Grebe Podiceps auritus 9 75.00 43 Black-necked Grebe Podiceps nigricollis 3 25.00 44 Oystercatcher Haematopus ostralegus 12 100.00 45 Grey Plover Pluvialis squatarola 10 83.33 46 Golden Plover Pluvialis apricaria 10 83.33 47 American Golden Plover Pluvialis dominica 3 25.00 48 Ringed Plover Charadrius hiaticula 11 91.67 49 Lapwing Vanellus vanellus 11 91.67 50 Eurasian Whimbrel Numenius phaeopus 8 66.67 51 Curlew Numenius arquata 11 91.67 52 Bar-tailed Godwit Limosa lapponica 11 91.67 53 Black-tailed Godwit Limosa limosa 10 83.33 54 Woodcock Scolopax rusticola 7 58.33 55 Snipe Gallinago gallinago 11 91.67 56 Common Sandpiper Actitis hypoleucos 11 91.67 57 Redshank Tringa totanus 11 91.67 58 Greenshank Tringa nebularia 11 91.67 59 Turnstone Arenaria interpres 11 91.67 60 Knot Calidris canutus 10 83.33 61 Ruff Calidris pugnax 10 83.33 62 Sanderling Calidris alba 10 83.33 63 Dunlin Calidris alpina 11 91.67 64 Purple Sandpiper Calidris maritima 9 75.00 65 Little Stint Calidris minuta 4 33.33 66 Pectoral Sandpiper Calidris melanotos 2 16.67 67 Little Tern Sternula albifrons 6 50.00 68 Arctic Tern Sterna paradisaea 9 75.00 69 Common Tern Sterna hirundo 11 91.67 70 Sandwich Tern Thalasseus sandvicensis 11 91.67 71 Little Gull Hydrocoloeus minutus 8 66.67 72 Kittiwake Rissa tridactyla 11 91.67 73 Sabine's Gull Xema sabini 2 16.67 74 Black-headed Gull Chroicocephalus ridibundus 11 91.67 75 Common Gull Larus canus 11 91.67 76 Herring Gull Larus argentatus 11 91.67 77 Great Black-backed Gull Larus marinus 11 91.67 78 Glaucous Gull Larus hyperboreus 5 41.67 79 Lesser Black-backed Gull Larus fuscus 11 91.67 80 Iceland Gull Larus glaucoides 8 66.67 81 Long-tailed Skua Stercorarius longicaudus 2 16.67 82 Arctic Skua Stercorarius parasiticus 8 66.67 83 Great Skua Stercorarius skua 9 75.00 84 Puffin Fratercula arctica 9 75.00 85 Black Guillemot Cepphus grylle 8 66.67 86 Razorbill Alca torda 11 91.67 87 Little Auk Alle alle 6 50.00 88 Common Guillemot Uria aalge 11 91.67 89 Red-throated Diver Gavia stellata 10 83.33 90 Black-throated Diver Gavia arctica 10 83.33 91 Great Northern Diver Gavia immer 10 83.33 92 Fulmar Fulmarus glacialis 10 83.33 93 Sooty Shearwater Ardenna grisea 5 41.67 94 Manx Shearwater Puffinus puffinus 8 66.67 95 Gannet Morus bassanus 11 91.67 96 Cormorant Phalacrocorax carbo 11 91.67 97 Shag Gulosus aristotelis 11 91.67 98 Grey Heron Ardea cinerea 11 91.67 99 Osprey Pandion haliaetus 10 83.33 100 Golden Eagle Aquila chrysaetos 7 58.33 101 Sparrowhawk Accipiter nisus 11 91.67 102 Hen Harrier Circus cyaneus 9 75.00 103 Red Kite Milvus milvus 11 91.67 104 White-tailed Eagle Haliaeetus albicilla 7 58.33 105 Buzzard Buteo buteo 11 91.67 106 Barn Owl Tyto alba 7 58.33 107 Short-eared Owl Asio flammeus 8 66.67 108 Tawny Owl Strix aluco 9 75.00 109 Great Spotted Woodpecker Dendrocopos major 11 91.67 110 Kestrel Falco tinnunculus 11 91.67 111 Merlin Falco columbarius 9 75.00 112 Peregrine Falco peregrinus 10 83.33 113 Jay Garrulus glandarius 11 91.67 114 Magpie Pica pica 12 100.00 115 Jackdaw Coloeus monedula 12 100.00 116 Rook Corvus frugilegus 11 91.67 117 Carrion Crow Corvus corone 12 100.00 118 Hooded Crow Corvus cornix 8 66.67 119 Raven Corvus corax 11 91.67 120 Coal Tit Periparus ater 11 91.67 121 Blue Tit Cyanistes caeruleus 11 91.67 122 Great Tit Parus major 11 91.67 123 Skylark Alauda arvensis 11 91.67 124 Sand Martin Riparia riparia 11 91.67 125 Swallow Hirundo rustica 11 91.67 126 House Martin Delichon urbicum 11 91.67 127 Long-tailed Tit Aegithalos caudatus 11 91.67 128 Wood Warbler Phylloscopus sibilatrix 7 58.33 129 Willow Warbler Phylloscopus trochilus 11 91.67 130 Chiffchaff Phylloscopus collybita 11 91.67 131 Sedge Warbler Acrocephalus schoenobaenus 11 91.67 132 Grasshopper Warbler Locustella naevia 10 83.33 133 Blackcap Sylvia atricapilla 11 91.67 134 Whitethroat Curruca communis 11 91.67 135 Goldcrest Regulus regulus 11 91.67 136 Wren Troglodytes troglodytes 11 91.67 137 Treecreeper Certhia familiaris 11 91.67 138 Starling Sturnus vulgaris 11 91.67 139 Song Thrush Turdus philomelos 11 91.67 140 Mistle Thrush Turdus viscivorus 11 91.67 141 Redwing Turdus iliacus 11 91.67 142 Blackbird Turdus merula 12 100.00 143 Fieldfare Turdus pilaris 10 83.33 144 Ring Ouzel Turdus torquatus 9 75.00 145 Spotted Flycatcher Muscicapa striata 11 91.67 146 Robin Erithacus rubecula 12 100.00 147 Pied Flycatcher Ficedula hypoleuca 9 75.00 148 Stonechat Saxicola rubicola 11 91.67 149 Wheatear Oenanthe oenanthe 11 91.67 150 Tree Sparrow Passer montanus 11 91.67 151 House Sparrow Passer domesticus 11 91.67 152 Dunnock Prunella modularis 11 91.67 153 Grey Wagtail Motacilla cinerea 11 91.67 154 Pied Wagtail Motacilla alba 11 91.67 155 Meadow Pipit Anthus pratensis 11 91.67 156 Tree Pipit Anthus trivialis 9 75.00 157 Rock Pipit Anthus petrosus 11 91.67 158 Chaffinch Fringilla coelebs 11 91.67 159 Bullfinch Pyrrhula pyrrhula 12 100.00 160 Greenfinch Chloris chloris 11 91.67 161 Twite Linaria flavirostris 9 75.00 162 Linnet Linaria cannabina 11 91.67 163 Lesser Redpoll Acanthis cabaret 10 83.33 164 Common Crossbill Loxia curvirostra 9 75.00 165 Goldfinch Carduelis carduelis 11 91.67 166 Siskin Spinus spinus 11 91.67 167 Lapland Bunting Calcarius lapponicus 5 41.67 168 Snow Bunting Plectrophenax nivalis 9 75.00 169 Yellowhammer Emberiza citrinella 11 91.67 170 Reed Bunting Emberiza schoeniclus 11 91.67