Thomas McCabe: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 67 of 67 total.
Seq.,Species,Scientific Name,Seen By Other Listers,Other Listers (%)
1,Canada Goose,Branta canadensis,460,98.08
2,Greylag Goose,Anser anser,449,95.74
3,Mute Swan,Cygnus olor,461,98.29
4,Shelduck,Tadorna tadorna,441,94.03
5,Shoveler,Spatula clypeata,444,94.67
6,Gadwall,Mareca strepera,442,94.24
7,Mallard,Anas platyrhynchos,461,98.29
8,Teal,Anas crecca,445,94.88
9,Tufted Duck,Aythya fuligula,457,97.44
10,Grey Partridge,Perdix perdix,294,62.69
11,Pheasant,Phasianus colchicus,454,96.80
12,Rock Dove (Feral Pigeon),Columba livia,403,85.93
13,Woodpigeon,Columba palumbus,463,98.72
14,Collared Dove,Streptopelia decaocto,453,96.59
15,Moorhen,Gallinula chloropus,458,97.65
16,Coot,Fulica atra,456,97.23
17,Oystercatcher,Haematopus ostralegus,448,95.52
18,Lapwing,Vanellus vanellus,453,96.59
19,Curlew,Numenius arquata,436,92.96
20,Black-tailed Godwit,Limosa limosa,411,87.63
21,Snipe,Gallinago gallinago,413,88.06
22,Dunlin,Calidris alpina,418,89.13
23,Common Tern,Sterna hirundo,407,86.78
24,Bonaparte's Gull,Chroicocephalus philadelphia,107,22.81
25,Black-headed Gull,Chroicocephalus ridibundus,460,98.08
26,Mediterranean Gull,Ichthyaetus melanocephalus,366,78.04
27,Herring Gull,Larus argentatus,457,97.44
28,Great Black-backed Gull,Larus marinus,433,92.32
29,Iceland Gull,Larus glaucoides,158,33.69
30,Cormorant,Phalacrocorax carbo,457,97.44
31,Little Egret,Egretta garzetta,444,94.67
32,Cattle Egret,Bubulcus ibis,300,63.97
33,Great White Egret,Ardea alba,387,82.52
34,Grey Heron,Ardea cinerea,454,96.80
35,Marsh Harrier,Circus aeruginosus,406,86.57
36,Buzzard,Buteo buteo,457,97.44
37,Tawny Owl,Strix aluco,364,77.61
38,Kingfisher,Alcedo atthis,410,87.42
39,Great Spotted Woodpecker,Dendrocopos major,443,94.46
40,Kestrel,Falco tinnunculus,453,96.59
41,Magpie,Pica pica,460,98.08
42,Rook,Corvus frugilegus,453,96.59
43,Carrion Crow,Corvus corone,460,98.08
44,Raven,Corvus corax,415,88.49
45,Coal Tit,Periparus ater,446,95.10
46,Blue Tit,Cyanistes caeruleus,463,98.72
47,Great Tit,Parus major,461,98.29
48,Bearded Tit,Panurus biarmicus,299,63.75
49,Skylark,Alauda arvensis,440,93.82
50,Sand Martin,Riparia riparia,426,90.83
51,Swallow,Hirundo rustica,437,93.18
52,Cetti's Warbler,Cettia cetti,387,82.52
53,Long-tailed Tit,Aegithalos caudatus,453,96.59
54,Blackcap,Sylvia atricapilla,437,93.18
55,Wren,Troglodytes troglodytes,458,97.65
56,Nuthatch,Sitta europaea,431,91.90
57,Starling,Sturnus vulgaris,458,97.65
58,Blackbird,Turdus merula,462,98.51
59,Robin,Erithacus rubecula,462,98.51
60,Stonechat,Saxicola rubicola,432,92.11
61,House Sparrow,Passer domesticus,458,97.65
62,Dunnock,Prunella modularis,462,98.51
63,Grey Wagtail,Motacilla cinerea,440,93.82
64,Pied Wagtail,Motacilla alba,460,98.08
65,Rock Pipit,Anthus petrosus,372,79.32
66,Greenfinch,Chloris chloris,453,96.59
67,Yellowhammer,Emberiza citrinella,407,86.78