Keith Smith: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 200 of 200 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,Barnacle Goose,Branta leucopsis,322,68.66
4,Greylag Goose,Anser anser,449,95.74
5,Pink-footed Goose,Anser brachyrhynchus,357,76.12
6,White-fronted Goose,Anser albifrons,238,50.75
7,Mute Swan,Cygnus olor,461,98.29
8,Bewick's Swan,Cygnus columbianus,135,28.78
9,Whooper Swan,Cygnus cygnus,310,66.10
10,Egyptian Goose,Alopochen aegyptiaca,370,78.89
11,Shelduck,Tadorna tadorna,441,94.03
12,Mandarin Duck,Aix galericulata,310,66.10
13,Garganey,Spatula querquedula,282,60.13
14,Shoveler,Spatula clypeata,444,94.67
15,Gadwall,Mareca strepera,442,94.24
16,Wigeon,Mareca penelope,442,94.24
17,American Wigeon,Mareca americana,68,14.50
18,Mallard,Anas platyrhynchos,461,98.29
19,Pintail,Anas acuta,390,83.16
20,Teal,Anas crecca,445,94.88
21,Red-crested Pochard,Netta rufina,170,36.25
22,Pochard,Aythya ferina,426,90.83
23,Ring-necked Duck,Aythya collaris,190,40.51
24,Tufted Duck,Aythya fuligula,457,97.44
25,Scaup,Aythya marila,244,52.03
26,Common Scoter,Melanitta nigra,347,73.99
27,Long-tailed Duck,Clangula hyemalis,205,43.71
28,Goldeneye,Bucephala clangula,383,81.66
29,Smew,Mergellus albellus,159,33.90
30,Goosander,Mergus merganser,390,83.16
31,Red-breasted Merganser,Mergus serrator,324,69.08
32,Ruddy Duck,Oxyura jamaicensis,35,7.46
33,Grey Partridge,Perdix perdix,294,62.69
34,Pheasant,Phasianus colchicus,454,96.80
35,Red-legged Partridge,Alectoris rufa,400,85.29
36,Nightjar,Caprimulgus europaeus,205,43.71
37,Swift,Apus apus,430,91.68
38,Cuckoo,Cuculus canorus,382,81.45
39,Rock Dove (Feral Pigeon),Columba livia,403,85.93
40,Stock Dove,Columba oenas,416,88.70
41,Woodpigeon,Columba palumbus,463,98.72
42,Turtle Dove,Streptopelia turtur,172,36.67
43,Collared Dove,Streptopelia decaocto,453,96.59
44,Moorhen,Gallinula chloropus,458,97.65
45,Coot,Fulica atra,456,97.23
46,Little Grebe,Tachybaptus ruficollis,443,94.46
47,Red-necked Grebe,Podiceps grisegena,141,30.06
48,Great Crested Grebe,Podiceps cristatus,447,95.31
49,Slavonian Grebe,Podiceps auritus,235,50.11
50,Black-necked Grebe,Podiceps nigricollis,255,54.37
51,Stone-curlew,Burhinus oedicnemus,168,35.82
52,Oystercatcher,Haematopus ostralegus,448,95.52
53,Avocet,Recurvirostra avosetta,394,84.01
54,Grey Plover,Pluvialis squatarola,343,73.13
55,Golden Plover,Pluvialis apricaria,389,82.94
56,Pacific Golden Plover,Pluvialis fulva,133,28.36
57,Ringed Plover,Charadrius hiaticula,399,85.07
58,Little Ringed Plover,Charadrius dubius,360,76.76
59,Lapwing,Vanellus vanellus,453,96.59
60,White-tailed Plover,Vanellus leucurus,200,42.64
61,Eurasian Whimbrel,Numenius phaeopus,349,74.41
62,Curlew,Numenius arquata,436,92.96
63,Bar-tailed Godwit,Limosa lapponica,368,78.46
64,Black-tailed Godwit,Limosa limosa,411,87.63
65,Jack Snipe,Lymnocryptes minimus,232,49.47
66,Woodcock,Scolopax rusticola,291,62.05
67,Snipe,Gallinago gallinago,413,88.06
68,Common Sandpiper,Actitis hypoleucos,397,84.65
69,Green Sandpiper,Tringa ochropus,351,74.84
70,Wood Sandpiper,Tringa glareola,270,57.57
71,Redshank,Tringa totanus,434,92.54
72,Spotted Redshank,Tringa erythropus,331,70.58
73,Greenshank,Tringa nebularia,382,81.45
74,Turnstone,Arenaria interpres,411,87.63
75,Knot,Calidris canutus,349,74.41
76,Ruff,Calidris pugnax,369,78.68
77,Curlew Sandpiper,Calidris ferruginea,260,55.44
78,Sanderling,Calidris alba,369,78.68
79,Dunlin,Calidris alpina,418,89.13
80,Little Stint,Calidris minuta,290,61.83
81,Pectoral Sandpiper,Calidris melanotos,177,37.74
82,Little Tern,Sternula albifrons,286,60.98
83,Black Tern,Chlidonias niger,167,35.61
84,Arctic Tern,Sterna paradisaea,290,61.83
85,Common Tern,Sterna hirundo,407,86.78
86,Roseate Tern,Sterna dougallii,143,30.49
87,Sandwich Tern,Thalasseus sandvicensis,372,79.32
88,Kittiwake,Rissa tridactyla,382,81.45
89,Bonaparte's Gull,Chroicocephalus philadelphia,107,22.81
90,Black-headed Gull,Chroicocephalus ridibundus,460,98.08
91,Mediterranean Gull,Ichthyaetus melanocephalus,366,78.04
92,Common Gull,Larus canus,418,89.13
93,Caspian Gull,Larus cachinnans,184,39.23
94,Herring Gull,Larus argentatus,457,97.44
95,Yellow-legged Gull,Larus michahellis,226,48.19
96,Great Black-backed Gull,Larus marinus,433,92.32
97,Lesser Black-backed Gull,Larus fuscus,448,95.52
98,Puffin,Fratercula arctica,305,65.03
99,Razorbill,Alca torda,377,80.38
100,Common Guillemot,Uria aalge,387,82.52
101,Red-throated Diver,Gavia stellata,330,70.36
102,Great Northern Diver,Gavia immer,287,61.19
103,Fulmar,Fulmarus glacialis,389,82.94
104,Gannet,Morus bassanus,405,86.35
105,Cormorant,Phalacrocorax carbo,457,97.44
106,Shag,Gulosus aristotelis,370,78.89
107,Glossy Ibis,Plegadis falcinellus,213,45.42
108,Spoonbill,Platalea leucorodia,335,71.43
109,Bittern,Botaurus stellaris,294,62.69
110,Little Egret,Egretta garzetta,444,94.67
111,Cattle Egret,Bubulcus ibis,300,63.97
112,Great White Egret,Ardea alba,387,82.52
113,Grey Heron,Ardea cinerea,454,96.80
114,Osprey,Pandion haliaetus,294,62.69
115,Sparrowhawk,Accipiter nisus,443,94.46
116,Goshawk,Accipiter gentilis,195,41.58
117,Marsh Harrier,Circus aeruginosus,406,86.57
118,Red Kite,Milvus milvus,434,92.54
119,Buzzard,Buteo buteo,457,97.44
120,Barn Owl,Tyto alba,371,79.10
121,Short-eared Owl,Asio flammeus,262,55.86
122,Kingfisher,Alcedo atthis,410,87.42
123,Great Spotted Woodpecker,Dendrocopos major,443,94.46
124,Green Woodpecker,Picus viridis,395,84.22
125,Kestrel,Falco tinnunculus,453,96.59
126,Merlin,Falco columbarius,275,58.64
127,Hobby,Falco subbuteo,347,73.99
128,Peregrine,Falco peregrinus,421,89.77
129,Ring-necked Parakeet,Psittacula krameri,290,61.83
130,Jay,Garrulus glandarius,447,95.31
131,Magpie,Pica pica,460,98.08
132,Jackdaw,Coloeus monedula,459,97.87
133,Rook,Corvus frugilegus,453,96.59
134,Carrion Crow,Corvus corone,460,98.08
135,Raven,Corvus corax,415,88.49
136,Coal Tit,Periparus ater,446,95.10
137,Marsh Tit,Poecile palustris,318,67.80
138,Willow Tit,Poecile montanus,179,38.17
139,Blue Tit,Cyanistes caeruleus,463,98.72
140,Great Tit,Parus major,461,98.29
141,Bearded Tit,Panurus biarmicus,299,63.75
142,Woodlark,Lullula arborea,210,44.78
143,Skylark,Alauda arvensis,440,93.82
144,Sand Martin,Riparia riparia,426,90.83
145,Swallow,Hirundo rustica,437,93.18
146,House Martin,Delichon urbicum,432,92.11
147,Cetti's Warbler,Cettia cetti,387,82.52
148,Long-tailed Tit,Aegithalos caudatus,453,96.59
149,Willow Warbler,Phylloscopus trochilus,415,88.49
150,Chiffchaff,Phylloscopus collybita,441,94.03
151,Great Reed Warbler,Acrocephalus arundinaceus,92,19.62
152,Sedge Warbler,Acrocephalus schoenobaenus,413,88.06
153,Reed Warbler,Acrocephalus scirpaceus,399,85.07
154,Grasshopper Warbler,Locustella naevia,264,56.29
155,Blackcap,Sylvia atricapilla,437,93.18
156,Garden Warbler,Sylvia borin,343,73.13
157,Lesser Whitethroat,Curruca curruca,332,70.79
158,Whitethroat,Curruca communis,421,89.77
159,Dartford Warbler,Curruca undata,184,39.23
160,Goldcrest,Regulus regulus,427,91.04
161,Wren,Troglodytes troglodytes,458,97.65
162,Nuthatch,Sitta europaea,431,91.90
163,Treecreeper,Certhia familiaris,420,89.55
164,Starling,Sturnus vulgaris,458,97.65
165,Song Thrush,Turdus philomelos,454,96.80
166,Mistle Thrush,Turdus viscivorus,437,93.18
167,Redwing,Turdus iliacus,443,94.46
168,Blackbird,Turdus merula,462,98.51
169,Fieldfare,Turdus pilaris,422,89.98
170,Ring Ouzel,Turdus torquatus,261,55.65
171,Robin,Erithacus rubecula,462,98.51
172,Pied Flycatcher,Ficedula hypoleuca,286,60.98
173,Black Redstart,Phoenicurus ochruros,230,49.04
174,Redstart,Phoenicurus phoenicurus,335,71.43
175,Whinchat,Saxicola rubetra,302,64.39
176,Stonechat,Saxicola rubicola,432,92.11
177,Wheatear,Oenanthe oenanthe,409,87.21
178,Dipper,Cinclus cinclus,289,61.62
179,Tree Sparrow,Passer montanus,328,69.94
180,House Sparrow,Passer domesticus,458,97.65
181,Dunnock,Prunella modularis,462,98.51
182,Yellow Wagtail,Motacilla flava,368,78.46
183,Grey Wagtail,Motacilla cinerea,440,93.82
184,Pied Wagtail,Motacilla alba,460,98.08
185,Meadow Pipit,Anthus pratensis,434,92.54
186,Tree Pipit,Anthus trivialis,307,65.46
187,Chaffinch,Fringilla coelebs,457,97.44
188,Hawfinch,Coccothraustes coccothraustes,170,36.25
189,Bullfinch,Pyrrhula pyrrhula,429,91.47
190,Greenfinch,Chloris chloris,453,96.59
191,Linnet,Linaria cannabina,437,93.18
192,Lesser Redpoll,Acanthis cabaret,341,72.71
193,Common Crossbill,Loxia curvirostra,263,56.08
194,Two-barred Crossbill,Loxia leucoptera,22,4.69
195,Goldfinch,Carduelis carduelis,454,96.80
196,Siskin,Spinus spinus,414,88.27
197,Snow Bunting,Plectrophenax nivalis,254,54.16
198,Yellowhammer,Emberiza citrinella,407,86.78
199,Little Bunting,Emberiza pusilla,110,23.45
200,Reed Bunting,Emberiza schoeniclus,439,93.60