Tony Barter: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 256 of 256 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,Tundra Bean Goose,Anser serrirostris,83,17.70
7,Mute Swan,Cygnus olor,461,98.29
8,Whooper Swan,Cygnus cygnus,310,66.10
9,Egyptian Goose,Alopochen aegyptiaca,370,78.89
10,Shelduck,Tadorna tadorna,441,94.03
11,Mandarin Duck,Aix galericulata,310,66.10
12,Garganey,Spatula querquedula,282,60.13
13,Shoveler,Spatula clypeata,444,94.67
14,Gadwall,Mareca strepera,442,94.24
15,Wigeon,Mareca penelope,442,94.24
16,American Wigeon,Mareca americana,68,14.50
17,Mallard,Anas platyrhynchos,461,98.29
18,Pintail,Anas acuta,390,83.16
19,Teal,Anas crecca,445,94.88
20,Green-winged Teal,Anas carolinensis,74,15.78
21,Pochard,Aythya ferina,426,90.83
22,Ferruginous Duck,Aythya nyroca,44,9.38
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,King Eider,Somateria spectabilis,57,12.15
27,Eider,Somateria mollissima,333,71.00
28,Common Scoter,Melanitta nigra,347,73.99
29,Long-tailed Duck,Clangula hyemalis,205,43.71
30,Bufflehead,Bucephala albeola,22,4.69
31,Goldeneye,Bucephala clangula,383,81.66
32,Goosander,Mergus merganser,390,83.16
33,Red-breasted Merganser,Mergus serrator,324,69.08
34,Ruddy Duck,Oxyura jamaicensis,35,7.46
35,Red Grouse,Lagopus lagopus,209,44.56
36,Grey Partridge,Perdix perdix,294,62.69
37,Pheasant,Phasianus colchicus,454,96.80
38,Red-legged Partridge,Alectoris rufa,400,85.29
39,Swift,Apus apus,430,91.68
40,Cuckoo,Cuculus canorus,382,81.45
41,Rock Dove (Feral Pigeon),Columba livia,403,85.93
42,Stock Dove,Columba oenas,416,88.70
43,Woodpigeon,Columba palumbus,463,98.72
44,Turtle Dove,Streptopelia turtur,172,36.67
45,Collared Dove,Streptopelia decaocto,453,96.59
46,Water Rail,Rallus aquaticus,353,75.27
47,Moorhen,Gallinula chloropus,458,97.65
48,Coot,Fulica atra,456,97.23
49,Crane,Grus grus,199,42.43
50,Little Grebe,Tachybaptus ruficollis,443,94.46
51,Red-necked Grebe,Podiceps grisegena,141,30.06
52,Great Crested Grebe,Podiceps cristatus,447,95.31
53,Slavonian Grebe,Podiceps auritus,235,50.11
54,Black-necked Grebe,Podiceps nigricollis,255,54.37
55,Stone-curlew,Burhinus oedicnemus,168,35.82
56,Oystercatcher,Haematopus ostralegus,448,95.52
57,Avocet,Recurvirostra avosetta,394,84.01
58,Grey Plover,Pluvialis squatarola,343,73.13
59,Golden Plover,Pluvialis apricaria,389,82.94
60,Pacific Golden Plover,Pluvialis fulva,133,28.36
61,Dotterel,Eudromias morinellus,109,23.24
62,Ringed Plover,Charadrius hiaticula,399,85.07
63,Little Ringed Plover,Charadrius dubius,360,76.76
64,Lapwing,Vanellus vanellus,453,96.59
65,White-tailed Plover,Vanellus leucurus,200,42.64
66,Eurasian Whimbrel,Numenius phaeopus,349,74.41
67,Curlew,Numenius arquata,436,92.96
68,Bar-tailed Godwit,Limosa lapponica,368,78.46
69,Black-tailed Godwit,Limosa limosa,411,87.63
70,Jack Snipe,Lymnocryptes minimus,232,49.47
71,Snipe,Gallinago gallinago,413,88.06
72,Wilson's Phalarope,Phalaropus tricolor,42,8.96
73,Common Sandpiper,Actitis hypoleucos,397,84.65
74,Green Sandpiper,Tringa ochropus,351,74.84
75,Wood Sandpiper,Tringa glareola,270,57.57
76,Redshank,Tringa totanus,434,92.54
77,Spotted Redshank,Tringa erythropus,331,70.58
78,Greenshank,Tringa nebularia,382,81.45
79,Turnstone,Arenaria interpres,411,87.63
80,Knot,Calidris canutus,349,74.41
81,Ruff,Calidris pugnax,369,78.68
82,Curlew Sandpiper,Calidris ferruginea,260,55.44
83,Temminck's Stint,Calidris temminckii,89,18.98
84,Long-toed Stint,Calidris subminuta,128,27.29
85,Sanderling,Calidris alba,369,78.68
86,Dunlin,Calidris alpina,418,89.13
87,Purple Sandpiper,Calidris maritima,265,56.50
88,Little Stint,Calidris minuta,290,61.83
89,Pectoral Sandpiper,Calidris melanotos,177,37.74
90,Western Sandpiper,Calidris mauri,59,12.58
91,Semipalmated Sandpiper,Calidris pusilla,38,8.10
92,Little Tern,Sternula albifrons,286,60.98
93,Caspian Tern,Hydroprogne caspia,54,11.51
94,Black Tern,Chlidonias niger,167,35.61
95,White-winged Black Tern,Chlidonias leucopterus,12,2.56
96,Arctic Tern,Sterna paradisaea,290,61.83
97,Common Tern,Sterna hirundo,407,86.78
98,Roseate Tern,Sterna dougallii,143,30.49
99,Sandwich Tern,Thalasseus sandvicensis,372,79.32
100,Elegant Tern,Thalasseus elegans,84,17.91
101,Little Gull,Hydrocoloeus minutus,281,59.91
102,Kittiwake,Rissa tridactyla,382,81.45
103,Bonaparte's Gull,Chroicocephalus philadelphia,107,22.81
104,Black-headed Gull,Chroicocephalus ridibundus,460,98.08
105,Mediterranean Gull,Ichthyaetus melanocephalus,366,78.04
106,Common Gull,Larus canus,418,89.13
107,Herring Gull,Larus argentatus,457,97.44
108,Yellow-legged Gull,Larus michahellis,226,48.19
109,Great Black-backed Gull,Larus marinus,433,92.32
110,Lesser Black-backed Gull,Larus fuscus,448,95.52
111,American Herring Gull,Larus smithsonianus,51,10.87
112,Iceland Gull,Larus glaucoides,158,33.69
113,Long-tailed Skua,Stercorarius longicaudus,87,18.55
114,Arctic Skua,Stercorarius parasiticus,204,43.50
115,Puffin,Fratercula arctica,305,65.03
116,Black Guillemot,Cepphus grylle,206,43.92
117,Razorbill,Alca torda,377,80.38
118,Common Guillemot,Uria aalge,387,82.52
119,Red-throated Diver,Gavia stellata,330,70.36
120,Great Northern Diver,Gavia immer,287,61.19
121,White-billed Diver,Gavia adamsii,48,10.23
122,Black-browed Albatross,Thalassarche melanophris,200,42.64
123,Fulmar,Fulmarus glacialis,389,82.94
124,Black Stork,Ciconia nigra,82,17.48
125,Gannet,Morus bassanus,405,86.35
126,Cormorant,Phalacrocorax carbo,457,97.44
127,Shag,Gulosus aristotelis,370,78.89
128,Glossy Ibis,Plegadis falcinellus,213,45.42
129,Spoonbill,Platalea leucorodia,335,71.43
130,Bittern,Botaurus stellaris,294,62.69
131,Little Egret,Egretta garzetta,444,94.67
132,Cattle Egret,Bubulcus ibis,300,63.97
133,Great White Egret,Ardea alba,387,82.52
134,Grey Heron,Ardea cinerea,454,96.80
135,Honey-buzzard,Pernis apivorus,83,17.70
136,Sparrowhawk,Accipiter nisus,443,94.46
137,Goshawk,Accipiter gentilis,195,41.58
138,Marsh Harrier,Circus aeruginosus,406,86.57
139,Red Kite,Milvus milvus,434,92.54
140,Buzzard,Buteo buteo,457,97.44
141,Barn Owl,Tyto alba,371,79.10
142,Short-eared Owl,Asio flammeus,262,55.86
143,Tawny Owl,Strix aluco,364,77.61
144,Hoopoe,Upupa epops,92,19.62
145,Roller,Coracias garrulus,113,24.09
146,Kingfisher,Alcedo atthis,410,87.42
147,Belted Kingfisher,Megaceryle alcyon,93,19.83
148,Wryneck,Jynx torquilla,108,23.03
149,Lesser Spotted Woodpecker,Dryobates minor,117,24.95
150,Great Spotted Woodpecker,Dendrocopos major,443,94.46
151,Green Woodpecker,Picus viridis,395,84.22
152,Kestrel,Falco tinnunculus,453,96.59
153,Merlin,Falco columbarius,275,58.64
154,Hobby,Falco subbuteo,347,73.99
155,Peregrine,Falco peregrinus,421,89.77
156,Ring-necked Parakeet,Psittacula krameri,290,61.83
157,Red-eyed Vireo,Vireo olivaceus,26,5.54
158,Woodchat Shrike,Lanius senator,99,21.11
159,Red-backed Shrike,Lanius collurio,122,26.01
160,Jay,Garrulus glandarius,447,95.31
161,Magpie,Pica pica,460,98.08
162,Chough,Pyrrhocorax pyrrhocorax,194,41.36
163,Jackdaw,Coloeus monedula,459,97.87
164,Rook,Corvus frugilegus,453,96.59
165,Carrion Crow,Corvus corone,460,98.08
166,Hooded Crow,Corvus cornix,193,41.15
167,Raven,Corvus corax,415,88.49
168,Coal Tit,Periparus ater,446,95.10
169,Marsh Tit,Poecile palustris,318,67.80
170,Willow Tit,Poecile montanus,179,38.17
171,Blue Tit,Cyanistes caeruleus,463,98.72
172,Great Tit,Parus major,461,98.29
173,Bearded Tit,Panurus biarmicus,299,63.75
174,Woodlark,Lullula arborea,210,44.78
175,Skylark,Alauda arvensis,440,93.82
176,Shore Lark,Eremophila alpestris,122,26.01
177,Short-toed Lark,Calandrella brachydactyla,37,7.89
178,Sand Martin,Riparia riparia,426,90.83
179,Swallow,Hirundo rustica,437,93.18
180,House Martin,Delichon urbicum,432,92.11
181,Cetti's Warbler,Cettia cetti,387,82.52
182,Long-tailed Tit,Aegithalos caudatus,453,96.59
183,Wood Warbler,Phylloscopus sibilatrix,179,38.17
184,Western Bonelli's Warbler,Phylloscopus bonelli,38,8.10
185,Yellow-browed Warbler,Phylloscopus inornatus,128,27.29
186,Willow Warbler,Phylloscopus trochilus,415,88.49
187,Chiffchaff,Phylloscopus collybita,441,94.03
188,Green Warbler,Phylloscopus nitidus,91,19.40
189,Two-barred Greenish Warbler,Phylloscopus plumbeitarsus,69,14.71
190,Great Reed Warbler,Acrocephalus arundinaceus,92,19.62
191,Sedge Warbler,Acrocephalus schoenobaenus,413,88.06
192,Blyth's Reed Warbler,Acrocephalus dumetorum,43,9.17
193,Reed Warbler,Acrocephalus scirpaceus,399,85.07
194,Marsh Warbler,Acrocephalus palustris,52,11.09
195,River Warbler,Locustella fluviatilis,128,27.29
196,Grasshopper Warbler,Locustella naevia,264,56.29
197,Blackcap,Sylvia atricapilla,437,93.18
198,Garden Warbler,Sylvia borin,343,73.13
199,Lesser Whitethroat,Curruca curruca,332,70.79
200,Eastern Subalpine Warbler,Curruca cantillans,49,10.45
201,Whitethroat,Curruca communis,421,89.77
202,Goldcrest,Regulus regulus,427,91.04
203,Wren,Troglodytes troglodytes,458,97.65
204,Nuthatch,Sitta europaea,431,91.90
205,Treecreeper,Certhia familiaris,420,89.55
206,Northern Mockingbird,Mimus polyglottos,132,28.14
207,Starling,Sturnus vulgaris,458,97.65
208,Varied Thrush,Ixoreus naevius,14,2.99
209,Song Thrush,Turdus philomelos,454,96.80
210,Mistle Thrush,Turdus viscivorus,437,93.18
211,Redwing,Turdus iliacus,443,94.46
212,Blackbird,Turdus merula,462,98.51
213,Fieldfare,Turdus pilaris,422,89.98
214,Ring Ouzel,Turdus torquatus,261,55.65
215,Spotted Flycatcher,Muscicapa striata,330,70.36
216,Robin,Erithacus rubecula,462,98.51
217,Red-breasted Flycatcher,Ficedula parva,68,14.50
218,Taiga Flycatcher,Ficedula albicilla,47,10.02
219,Pied Flycatcher,Ficedula hypoleuca,286,60.98
220,Red-flanked Bluetail,Tarsiger cyanurus,52,11.09
221,Black Redstart,Phoenicurus ochruros,230,49.04
222,Redstart,Phoenicurus phoenicurus,335,71.43
223,Whinchat,Saxicola rubetra,302,64.39
224,Stonechat,Saxicola rubicola,432,92.11
225,Wheatear,Oenanthe oenanthe,409,87.21
226,Dipper,Cinclus cinclus,289,61.62
227,Tree Sparrow,Passer montanus,328,69.94
228,House Sparrow,Passer domesticus,458,97.65
229,Dunnock,Prunella modularis,462,98.51
230,Yellow Wagtail,Motacilla flava,368,78.46
231,Eastern Yellow Wagtail,Motacilla tschutschensis,23,4.90
232,Grey Wagtail,Motacilla cinerea,440,93.82
233,Pied Wagtail,Motacilla alba,460,98.08
234,Meadow Pipit,Anthus pratensis,434,92.54
235,Tree Pipit,Anthus trivialis,307,65.46
236,Olive-backed Pipit,Anthus hodgsoni,28,5.97
237,Rock Pipit,Anthus petrosus,372,79.32
238,Chaffinch,Fringilla coelebs,457,97.44
239,Brambling,Fringilla montifringilla,310,66.10
240,Hawfinch,Coccothraustes coccothraustes,170,36.25
241,Bullfinch,Pyrrhula pyrrhula,429,91.47
242,Common Rosefinch,Carpodacus erythrinus,69,14.71
243,Greenfinch,Chloris chloris,453,96.59
244,Twite,Linaria flavirostris,178,37.95
245,Linnet,Linaria cannabina,437,93.18
246,Common Redpoll,Acanthis flammea,79,16.84
247,Lesser Redpoll,Acanthis cabaret,341,72.71
248,Goldfinch,Carduelis carduelis,454,96.80
249,Siskin,Spinus spinus,414,88.27
250,Lapland Bunting,Calcarius lapponicus,78,16.63
251,Snow Bunting,Plectrophenax nivalis,254,54.16
252,Corn Bunting,Emberiza calandra,289,61.62
253,Yellowhammer,Emberiza citrinella,407,86.78
254,Cirl Bunting,Emberiza cirlus,103,21.96
255,Rustic Bunting,Emberiza rustica,54,11.51
256,Reed Bunting,Emberiza schoeniclus,439,93.60