Charles Farrell: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 166 of 166 total.
Seq.,Species,Scientific Name,Seen By Other Listers,Other Listers (%)
1,Brent Goose,Branta bernicla,359,76.55
2,Canada Goose,Branta canadensis,460,98.08
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,Shoveler,Spatula clypeata,444,94.67
11,Gadwall,Mareca strepera,442,94.24
12,Wigeon,Mareca penelope,442,94.24
13,Mallard,Anas platyrhynchos,461,98.29
14,Pintail,Anas acuta,390,83.16
15,Teal,Anas crecca,445,94.88
16,Red-crested Pochard,Netta rufina,170,36.25
17,Pochard,Aythya ferina,426,90.83
18,Ring-necked Duck,Aythya collaris,190,40.51
19,Tufted Duck,Aythya fuligula,457,97.44
20,Scaup,Aythya marila,244,52.03
21,Eider,Somateria mollissima,333,71.00
22,Common Scoter,Melanitta nigra,347,73.99
23,Goldeneye,Bucephala clangula,383,81.66
24,Goosander,Mergus merganser,390,83.16
25,Red-breasted Merganser,Mergus serrator,324,69.08
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,Black-necked Grebe,Podiceps nigricollis,255,54.37
39,Oystercatcher,Haematopus ostralegus,448,95.52
40,Avocet,Recurvirostra avosetta,394,84.01
41,Grey Plover,Pluvialis squatarola,343,73.13
42,Golden Plover,Pluvialis apricaria,389,82.94
43,Ringed Plover,Charadrius hiaticula,399,85.07
44,Little Ringed Plover,Charadrius dubius,360,76.76
45,Lapwing,Vanellus vanellus,453,96.59
46,Eurasian Whimbrel,Numenius phaeopus,349,74.41
47,Curlew,Numenius arquata,436,92.96
48,Bar-tailed Godwit,Limosa lapponica,368,78.46
49,Black-tailed Godwit,Limosa limosa,411,87.63
50,Snipe,Gallinago gallinago,413,88.06
51,Common Sandpiper,Actitis hypoleucos,397,84.65
52,Redshank,Tringa totanus,434,92.54
53,Greenshank,Tringa nebularia,382,81.45
54,Turnstone,Arenaria interpres,411,87.63
55,Knot,Calidris canutus,349,74.41
56,Sanderling,Calidris alba,369,78.68
57,Dunlin,Calidris alpina,418,89.13
58,Purple Sandpiper,Calidris maritima,265,56.50
59,Little Stint,Calidris minuta,290,61.83
60,Little Tern,Sternula albifrons,286,60.98
61,Arctic Tern,Sterna paradisaea,290,61.83
62,Common Tern,Sterna hirundo,407,86.78
63,Sandwich Tern,Thalasseus sandvicensis,372,79.32
64,Elegant Tern,Thalasseus elegans,84,17.91
65,Little Gull,Hydrocoloeus minutus,281,59.91
66,Kittiwake,Rissa tridactyla,382,81.45
67,Black-headed Gull,Chroicocephalus ridibundus,460,98.08
68,Mediterranean Gull,Ichthyaetus melanocephalus,366,78.04
69,Common Gull,Larus canus,418,89.13
70,Herring Gull,Larus argentatus,457,97.44
71,Great Black-backed Gull,Larus marinus,433,92.32
72,Lesser Black-backed Gull,Larus fuscus,448,95.52
73,Puffin,Fratercula arctica,305,65.03
74,Black Guillemot,Cepphus grylle,206,43.92
75,Razorbill,Alca torda,377,80.38
76,Common Guillemot,Uria aalge,387,82.52
77,Red-throated Diver,Gavia stellata,330,70.36
78,Fulmar,Fulmarus glacialis,389,82.94
79,Manx Shearwater,Puffinus puffinus,246,52.45
80,Gannet,Morus bassanus,405,86.35
81,Cormorant,Phalacrocorax carbo,457,97.44
82,Shag,Gulosus aristotelis,370,78.89
83,Bittern,Botaurus stellaris,294,62.69
84,Little Egret,Egretta garzetta,444,94.67
85,Cattle Egret,Bubulcus ibis,300,63.97
86,Great White Egret,Ardea alba,387,82.52
87,Grey Heron,Ardea cinerea,454,96.80
88,Osprey,Pandion haliaetus,294,62.69
89,Sparrowhawk,Accipiter nisus,443,94.46
90,Marsh Harrier,Circus aeruginosus,406,86.57
91,Hen Harrier,Circus cyaneus,227,48.40
92,Red Kite,Milvus milvus,434,92.54
93,White-tailed Eagle,Haliaeetus albicilla,114,24.31
94,Buzzard,Buteo buteo,457,97.44
95,Barn Owl,Tyto alba,371,79.10
96,Little Owl,Athene noctua,281,59.91
97,Tawny Owl,Strix aluco,364,77.61
98,Kingfisher,Alcedo atthis,410,87.42
99,Great Spotted Woodpecker,Dendrocopos major,443,94.46
100,Green Woodpecker,Picus viridis,395,84.22
101,Kestrel,Falco tinnunculus,453,96.59
102,Hobby,Falco subbuteo,347,73.99
103,Peregrine,Falco peregrinus,421,89.77
104,Ring-necked Parakeet,Psittacula krameri,290,61.83
105,Jay,Garrulus glandarius,447,95.31
106,Magpie,Pica pica,460,98.08
107,Chough,Pyrrhocorax pyrrhocorax,194,41.36
108,Jackdaw,Coloeus monedula,459,97.87
109,Rook,Corvus frugilegus,453,96.59
110,Carrion Crow,Corvus corone,460,98.08
111,Raven,Corvus corax,415,88.49
112,Coal Tit,Periparus ater,446,95.10
113,Blue Tit,Cyanistes caeruleus,463,98.72
114,Great Tit,Parus major,461,98.29
115,Bearded Tit,Panurus biarmicus,299,63.75
116,Skylark,Alauda arvensis,440,93.82
117,Sand Martin,Riparia riparia,426,90.83
118,Swallow,Hirundo rustica,437,93.18
119,House Martin,Delichon urbicum,432,92.11
120,Cetti's Warbler,Cettia cetti,387,82.52
121,Long-tailed Tit,Aegithalos caudatus,453,96.59
122,Wood Warbler,Phylloscopus sibilatrix,179,38.17
123,Willow Warbler,Phylloscopus trochilus,415,88.49
124,Chiffchaff,Phylloscopus collybita,441,94.03
125,Sedge Warbler,Acrocephalus schoenobaenus,413,88.06
126,Reed Warbler,Acrocephalus scirpaceus,399,85.07
127,Grasshopper Warbler,Locustella naevia,264,56.29
128,Blackcap,Sylvia atricapilla,437,93.18
129,Lesser Whitethroat,Curruca curruca,332,70.79
130,Whitethroat,Curruca communis,421,89.77
131,Goldcrest,Regulus regulus,427,91.04
132,Wren,Troglodytes troglodytes,458,97.65
133,Nuthatch,Sitta europaea,431,91.90
134,Treecreeper,Certhia familiaris,420,89.55
135,Rose-coloured Starling,Pastor roseus,99,21.11
136,Starling,Sturnus vulgaris,458,97.65
137,Song Thrush,Turdus philomelos,454,96.80
138,Mistle Thrush,Turdus viscivorus,437,93.18
139,Redwing,Turdus iliacus,443,94.46
140,Blackbird,Turdus merula,462,98.51
141,Fieldfare,Turdus pilaris,422,89.98
142,Ring Ouzel,Turdus torquatus,261,55.65
143,Spotted Flycatcher,Muscicapa striata,330,70.36
144,Robin,Erithacus rubecula,462,98.51
145,Stonechat,Saxicola rubicola,432,92.11
146,Wheatear,Oenanthe oenanthe,409,87.21
147,Dipper,Cinclus cinclus,289,61.62
148,Tree Sparrow,Passer montanus,328,69.94
149,House Sparrow,Passer domesticus,458,97.65
150,Dunnock,Prunella modularis,462,98.51
151,Grey Wagtail,Motacilla cinerea,440,93.82
152,Pied Wagtail,Motacilla alba,460,98.08
153,Meadow Pipit,Anthus pratensis,434,92.54
154,Rock Pipit,Anthus petrosus,372,79.32
155,Chaffinch,Fringilla coelebs,457,97.44
156,Brambling,Fringilla montifringilla,310,66.10
157,Bullfinch,Pyrrhula pyrrhula,429,91.47
158,Greenfinch,Chloris chloris,453,96.59
159,Twite,Linaria flavirostris,178,37.95
160,Linnet,Linaria cannabina,437,93.18
161,Lesser Redpoll,Acanthis cabaret,341,72.71
162,Goldfinch,Carduelis carduelis,454,96.80
163,Siskin,Spinus spinus,414,88.27
164,Snow Bunting,Plectrophenax nivalis,254,54.16
165,Yellowhammer,Emberiza citrinella,407,86.78
166,Reed Bunting,Emberiza schoeniclus,439,93.60