Andrew Bowden: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 154 of 154 total.
Seq.,Species,Scientific Name,Seen By Other Listers,Other Listers (%)
1,Canada Goose,Branta canadensis,460,98.08
2,Barnacle Goose,Branta leucopsis,322,68.66
3,Greylag Goose,Anser anser,449,95.74
4,Pink-footed Goose,Anser brachyrhynchus,357,76.12
5,Mute Swan,Cygnus olor,461,98.29
6,Whooper Swan,Cygnus cygnus,310,66.10
7,Egyptian Goose,Alopochen aegyptiaca,370,78.89
8,Shelduck,Tadorna tadorna,441,94.03
9,Mandarin Duck,Aix galericulata,310,66.10
10,Garganey,Spatula querquedula,282,60.13
11,Shoveler,Spatula clypeata,444,94.67
12,Gadwall,Mareca strepera,442,94.24
13,Wigeon,Mareca penelope,442,94.24
14,Mallard,Anas platyrhynchos,461,98.29
15,Pintail,Anas acuta,390,83.16
16,Teal,Anas crecca,445,94.88
17,Green-winged Teal,Anas carolinensis,74,15.78
18,Pochard,Aythya ferina,426,90.83
19,Tufted Duck,Aythya fuligula,457,97.44
20,Eider,Somateria mollissima,333,71.00
21,Goldeneye,Bucephala clangula,383,81.66
22,Goosander,Mergus merganser,390,83.16
23,Red-breasted Merganser,Mergus serrator,324,69.08
24,Black Grouse,Lyrurus tetrix,102,21.75
25,Grey Partridge,Perdix perdix,294,62.69
26,Pheasant,Phasianus colchicus,454,96.80
27,Red-legged Partridge,Alectoris rufa,400,85.29
28,Swift,Apus apus,430,91.68
29,Cuckoo,Cuculus canorus,382,81.45
30,Rock Dove (Feral Pigeon),Columba livia,403,85.93
31,Stock Dove,Columba oenas,416,88.70
32,Woodpigeon,Columba palumbus,463,98.72
33,Collared Dove,Streptopelia decaocto,453,96.59
34,Moorhen,Gallinula chloropus,458,97.65
35,Coot,Fulica atra,456,97.23
36,Little Grebe,Tachybaptus ruficollis,443,94.46
37,Great Crested Grebe,Podiceps cristatus,447,95.31
38,Oystercatcher,Haematopus ostralegus,448,95.52
39,Avocet,Recurvirostra avosetta,394,84.01
40,Grey Plover,Pluvialis squatarola,343,73.13
41,Ringed Plover,Charadrius hiaticula,399,85.07
42,Little Ringed Plover,Charadrius dubius,360,76.76
43,Lapwing,Vanellus vanellus,453,96.59
44,Curlew,Numenius arquata,436,92.96
45,Bar-tailed Godwit,Limosa lapponica,368,78.46
46,Snipe,Gallinago gallinago,413,88.06
47,Common Sandpiper,Actitis hypoleucos,397,84.65
48,Green Sandpiper,Tringa ochropus,351,74.84
49,Wood Sandpiper,Tringa glareola,270,57.57
50,Redshank,Tringa totanus,434,92.54
51,Spotted Redshank,Tringa erythropus,331,70.58
52,Turnstone,Arenaria interpres,411,87.63
53,Knot,Calidris canutus,349,74.41
54,Ruff,Calidris pugnax,369,78.68
55,Dunlin,Calidris alpina,418,89.13
56,Arctic Tern,Sterna paradisaea,290,61.83
57,Common Tern,Sterna hirundo,407,86.78
58,Kittiwake,Rissa tridactyla,382,81.45
59,Black-headed Gull,Chroicocephalus ridibundus,460,98.08
60,Common Gull,Larus canus,418,89.13
61,Herring Gull,Larus argentatus,457,97.44
62,Great Black-backed Gull,Larus marinus,433,92.32
63,Lesser Black-backed Gull,Larus fuscus,448,95.52
64,Puffin,Fratercula arctica,305,65.03
65,Razorbill,Alca torda,377,80.38
66,Common Guillemot,Uria aalge,387,82.52
67,Great Northern Diver,Gavia immer,287,61.19
68,Black-browed Albatross,Thalassarche melanophris,200,42.64
69,Fulmar,Fulmarus glacialis,389,82.94
70,Gannet,Morus bassanus,405,86.35
71,Cormorant,Phalacrocorax carbo,457,97.44
72,Shag,Gulosus aristotelis,370,78.89
73,Bittern,Botaurus stellaris,294,62.69
74,Little Egret,Egretta garzetta,444,94.67
75,Great White Egret,Ardea alba,387,82.52
76,Grey Heron,Ardea cinerea,454,96.80
77,Osprey,Pandion haliaetus,294,62.69
78,Sparrowhawk,Accipiter nisus,443,94.46
79,Marsh Harrier,Circus aeruginosus,406,86.57
80,Red Kite,Milvus milvus,434,92.54
81,Buzzard,Buteo buteo,457,97.44
82,Barn Owl,Tyto alba,371,79.10
83,Little Owl,Athene noctua,281,59.91
84,Tawny Owl,Strix aluco,364,77.61
85,Kingfisher,Alcedo atthis,410,87.42
86,Great Spotted Woodpecker,Dendrocopos major,443,94.46
87,Green Woodpecker,Picus viridis,395,84.22
88,Kestrel,Falco tinnunculus,453,96.59
89,Hobby,Falco subbuteo,347,73.99
90,Peregrine,Falco peregrinus,421,89.77
91,Ring-necked Parakeet,Psittacula krameri,290,61.83
92,Jay,Garrulus glandarius,447,95.31
93,Magpie,Pica pica,460,98.08
94,Jackdaw,Coloeus monedula,459,97.87
95,Rook,Corvus frugilegus,453,96.59
96,Carrion Crow,Corvus corone,460,98.08
97,Hooded Crow,Corvus cornix,193,41.15
98,Raven,Corvus corax,415,88.49
99,Coal Tit,Periparus ater,446,95.10
100,Marsh Tit,Poecile palustris,318,67.80
101,Willow Tit,Poecile montanus,179,38.17
102,Blue Tit,Cyanistes caeruleus,463,98.72
103,Great Tit,Parus major,461,98.29
104,Skylark,Alauda arvensis,440,93.82
105,Sand Martin,Riparia riparia,426,90.83
106,Swallow,Hirundo rustica,437,93.18
107,House Martin,Delichon urbicum,432,92.11
108,Cetti's Warbler,Cettia cetti,387,82.52
109,Long-tailed Tit,Aegithalos caudatus,453,96.59
110,Willow Warbler,Phylloscopus trochilus,415,88.49
111,Chiffchaff,Phylloscopus collybita,441,94.03
112,Sedge Warbler,Acrocephalus schoenobaenus,413,88.06
113,Reed Warbler,Acrocephalus scirpaceus,399,85.07
114,Grasshopper Warbler,Locustella naevia,264,56.29
115,Blackcap,Sylvia atricapilla,437,93.18
116,Garden Warbler,Sylvia borin,343,73.13
117,Lesser Whitethroat,Curruca curruca,332,70.79
118,Whitethroat,Curruca communis,421,89.77
119,Goldcrest,Regulus regulus,427,91.04
120,Wren,Troglodytes troglodytes,458,97.65
121,Nuthatch,Sitta europaea,431,91.90
122,Treecreeper,Certhia familiaris,420,89.55
123,Starling,Sturnus vulgaris,458,97.65
124,Song Thrush,Turdus philomelos,454,96.80
125,Mistle Thrush,Turdus viscivorus,437,93.18
126,Redwing,Turdus iliacus,443,94.46
127,Blackbird,Turdus merula,462,98.51
128,Fieldfare,Turdus pilaris,422,89.98
129,Spotted Flycatcher,Muscicapa striata,330,70.36
130,Robin,Erithacus rubecula,462,98.51
131,Pied Flycatcher,Ficedula hypoleuca,286,60.98
132,Redstart,Phoenicurus phoenicurus,335,71.43
133,Stonechat,Saxicola rubicola,432,92.11
134,Dipper,Cinclus cinclus,289,61.62
135,Tree Sparrow,Passer montanus,328,69.94
136,House Sparrow,Passer domesticus,458,97.65
137,Dunnock,Prunella modularis,462,98.51
138,Yellow Wagtail,Motacilla flava,368,78.46
139,Grey Wagtail,Motacilla cinerea,440,93.82
140,Pied Wagtail,Motacilla alba,460,98.08
141,Meadow Pipit,Anthus pratensis,434,92.54
142,Rock Pipit,Anthus petrosus,372,79.32
143,Chaffinch,Fringilla coelebs,457,97.44
144,Brambling,Fringilla montifringilla,310,66.10
145,Bullfinch,Pyrrhula pyrrhula,429,91.47
146,Greenfinch,Chloris chloris,453,96.59
147,Linnet,Linaria cannabina,437,93.18
148,Common Redpoll,Acanthis flammea,79,16.84
149,Common Crossbill,Loxia curvirostra,263,56.08
150,Goldfinch,Carduelis carduelis,454,96.80
151,Siskin,Spinus spinus,414,88.27
152,Corn Bunting,Emberiza calandra,289,61.62
153,Yellowhammer,Emberiza citrinella,407,86.78
154,Reed Bunting,Emberiza schoeniclus,439,93.60