Cliff Smith: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 324 of 324 total.
Seq.,Species,Scientific Name,Seen By Other Listers,Other Listers (%)
1,Brent Goose,Branta bernicla,359,76.55
2,Red-breasted Goose,Branta ruficollis,18,3.84
3,Canada Goose,Branta canadensis,460,98.08
4,Barnacle Goose,Branta leucopsis,322,68.66
5,Ross's Goose,Anser rossii,11,2.35
6,Greylag Goose,Anser anser,449,95.74
7,Pink-footed Goose,Anser brachyrhynchus,357,76.12
8,Tundra Bean Goose,Anser serrirostris,83,17.70
9,White-fronted Goose,Anser albifrons,238,50.75
10,Mute Swan,Cygnus olor,461,98.29
11,Bewick's Swan,Cygnus columbianus,135,28.78
12,Whooper Swan,Cygnus cygnus,310,66.10
13,Egyptian Goose,Alopochen aegyptiaca,370,78.89
14,Shelduck,Tadorna tadorna,441,94.03
15,Mandarin Duck,Aix galericulata,310,66.10
16,Baikal Teal,Sibirionetta formosa,5,1.07
17,Garganey,Spatula querquedula,282,60.13
18,Shoveler,Spatula clypeata,444,94.67
19,Gadwall,Mareca strepera,442,94.24
20,Wigeon,Mareca penelope,442,94.24
21,American Wigeon,Mareca americana,68,14.50
22,Mallard,Anas platyrhynchos,461,98.29
23,Pintail,Anas acuta,390,83.16
24,Teal,Anas crecca,445,94.88
25,Green-winged Teal,Anas carolinensis,74,15.78
26,Red-crested Pochard,Netta rufina,170,36.25
27,Pochard,Aythya ferina,426,90.83
28,Ferruginous Duck,Aythya nyroca,44,9.38
29,Ring-necked Duck,Aythya collaris,190,40.51
30,Tufted Duck,Aythya fuligula,457,97.44
31,Scaup,Aythya marila,244,52.03
32,Lesser Scaup,Aythya affinis,16,3.41
33,King Eider,Somateria spectabilis,57,12.15
34,Eider,Somateria mollissima,333,71.00
35,Surf Scoter,Melanitta perspicillata,53,11.30
36,Velvet Scoter,Melanitta fusca,171,36.46
37,Common Scoter,Melanitta nigra,347,73.99
38,Long-tailed Duck,Clangula hyemalis,205,43.71
39,Bufflehead,Bucephala albeola,22,4.69
40,Goldeneye,Bucephala clangula,383,81.66
41,Smew,Mergellus albellus,159,33.90
42,Goosander,Mergus merganser,390,83.16
43,Red-breasted Merganser,Mergus serrator,324,69.08
44,Red Grouse,Lagopus lagopus,209,44.56
45,Black Grouse,Lyrurus tetrix,102,21.75
46,Grey Partridge,Perdix perdix,294,62.69
47,Pheasant,Phasianus colchicus,454,96.80
48,Quail,Coturnix coturnix,87,18.55
49,Red-legged Partridge,Alectoris rufa,400,85.29
50,Nightjar,Caprimulgus europaeus,205,43.71
51,Swift,Apus apus,430,91.68
52,Cuckoo,Cuculus canorus,382,81.45
53,Rock Dove (Feral Pigeon),Columba livia,403,85.93
54,Stock Dove,Columba oenas,416,88.70
55,Woodpigeon,Columba palumbus,463,98.72
56,Turtle Dove,Streptopelia turtur,172,36.67
57,Oriental Turtle Dove,Streptopelia orientalis,33,7.04
58,Collared Dove,Streptopelia decaocto,453,96.59
59,Water Rail,Rallus aquaticus,353,75.27
60,Spotted Crake,Porzana porzana,18,3.84
61,Moorhen,Gallinula chloropus,458,97.65
62,Coot,Fulica atra,456,97.23
63,Crane,Grus grus,199,42.43
64,Little Grebe,Tachybaptus ruficollis,443,94.46
65,Red-necked Grebe,Podiceps grisegena,141,30.06
66,Great Crested Grebe,Podiceps cristatus,447,95.31
67,Slavonian Grebe,Podiceps auritus,235,50.11
68,Black-necked Grebe,Podiceps nigricollis,255,54.37
69,Stone-curlew,Burhinus oedicnemus,168,35.82
70,Oystercatcher,Haematopus ostralegus,448,95.52
71,Black-winged Stilt,Himantopus himantopus,82,17.48
72,Avocet,Recurvirostra avosetta,394,84.01
73,Grey Plover,Pluvialis squatarola,343,73.13
74,Golden Plover,Pluvialis apricaria,389,82.94
75,Pacific Golden Plover,Pluvialis fulva,133,28.36
76,American Golden Plover,Pluvialis dominica,73,15.57
77,Dotterel,Eudromias morinellus,109,23.24
78,Ringed Plover,Charadrius hiaticula,399,85.07
79,Little Ringed Plover,Charadrius dubius,360,76.76
80,Lapwing,Vanellus vanellus,453,96.59
81,White-tailed Plover,Vanellus leucurus,200,42.64
82,Eurasian Whimbrel,Numenius phaeopus,349,74.41
83,Curlew,Numenius arquata,436,92.96
84,Bar-tailed Godwit,Limosa lapponica,368,78.46
85,Black-tailed Godwit,Limosa limosa,411,87.63
86,Jack Snipe,Lymnocryptes minimus,232,49.47
87,Woodcock,Scolopax rusticola,291,62.05
88,Snipe,Gallinago gallinago,413,88.06
89,Grey Phalarope,Phalaropus fulicarius,114,24.31
90,Common Sandpiper,Actitis hypoleucos,397,84.65
91,Spotted Sandpiper,Actitis macularius,25,5.33
92,Green Sandpiper,Tringa ochropus,351,74.84
93,Wood Sandpiper,Tringa glareola,270,57.57
94,Redshank,Tringa totanus,434,92.54
95,Lesser Yellowlegs,Tringa flavipes,45,9.59
96,Spotted Redshank,Tringa erythropus,331,70.58
97,Greenshank,Tringa nebularia,382,81.45
98,Turnstone,Arenaria interpres,411,87.63
99,Knot,Calidris canutus,349,74.41
100,Ruff,Calidris pugnax,369,78.68
101,Curlew Sandpiper,Calidris ferruginea,259,55.22
102,Temminck's Stint,Calidris temminckii,89,18.98
103,Long-toed Stint,Calidris subminuta,128,27.29
104,Red-necked Stint,Calidris ruficollis,58,12.37
105,Sanderling,Calidris alba,369,78.68
106,Dunlin,Calidris alpina,418,89.13
107,Purple Sandpiper,Calidris maritima,265,56.50
108,Little Stint,Calidris minuta,290,61.83
109,Pectoral Sandpiper,Calidris melanotos,177,37.74
110,Western Sandpiper,Calidris mauri,59,12.58
111,Semipalmated Sandpiper,Calidris pusilla,38,8.10
112,Collared Pratincole,Glareola pratincola,60,12.79
113,Little Tern,Sternula albifrons,286,60.98
114,Whiskered Tern,Chlidonias hybrida,35,7.46
115,Black Tern,Chlidonias niger,167,35.61
116,Arctic Tern,Sterna paradisaea,290,61.83
117,Common Tern,Sterna hirundo,407,86.78
118,Roseate Tern,Sterna dougallii,143,30.49
119,Sandwich Tern,Thalasseus sandvicensis,372,79.32
120,Elegant Tern,Thalasseus elegans,84,17.91
121,Little Gull,Hydrocoloeus minutus,281,59.91
122,Kittiwake,Rissa tridactyla,382,81.45
123,Sabine's Gull,Xema sabini,38,8.10
124,Bonaparte's Gull,Chroicocephalus philadelphia,107,22.81
125,Black-headed Gull,Chroicocephalus ridibundus,460,98.08
126,Mediterranean Gull,Ichthyaetus melanocephalus,366,78.04
127,Common Gull,Larus canus,418,89.13
128,Ring-billed Gull,Larus delawarensis,21,4.48
129,Caspian Gull,Larus cachinnans,184,39.23
130,Herring Gull,Larus argentatus,457,97.44
131,Yellow-legged Gull,Larus michahellis,226,48.19
132,Great Black-backed Gull,Larus marinus,433,92.32
133,Lesser Black-backed Gull,Larus fuscus,448,95.52
134,American Herring Gull,Larus smithsonianus,51,10.87
135,Iceland Gull,Larus glaucoides,158,33.69
136,Long-tailed Skua,Stercorarius longicaudus,87,18.55
137,Arctic Skua,Stercorarius parasiticus,204,43.50
138,Pomarine Skua,Stercorarius pomarinus,81,17.27
139,Great Skua,Stercorarius skua,216,46.06
140,Puffin,Fratercula arctica,305,65.03
141,Black Guillemot,Cepphus grylle,206,43.92
142,Razorbill,Alca torda,377,80.38
143,Little Auk,Alle alle,98,20.90
144,Common Guillemot,Uria aalge,387,82.52
145,Red-throated Diver,Gavia stellata,330,70.36
146,Black-throated Diver,Gavia arctica,178,37.95
147,Pacific Diver,Gavia pacifica,30,6.40
148,Great Northern Diver,Gavia immer,287,61.19
149,White-billed Diver,Gavia adamsii,48,10.23
150,Wilson's Petrel,Oceanites oceanicus,16,3.41
151,Black-browed Albatross,Thalassarche melanophris,200,42.64
152,Storm Petrel,Hydrobates pelagicus,79,16.84
153,Fulmar,Fulmarus glacialis,389,82.94
154,Cory's Shearwater,Calonectris borealis,12,2.56
155,Sooty Shearwater,Ardenna grisea,126,26.87
156,Great Shearwater,Ardenna gravis,38,8.10
157,Manx Shearwater,Puffinus puffinus,246,52.45
158,Balearic Shearwater,Puffinus mauretanicus,94,20.04
159,Black Stork,Ciconia nigra,82,17.48
160,White Stork,Ciconia ciconia,64,13.65
161,Gannet,Morus bassanus,405,86.35
162,Cormorant,Phalacrocorax carbo,457,97.44
163,Shag,Gulosus aristotelis,370,78.89
164,Glossy Ibis,Plegadis falcinellus,213,45.42
165,Spoonbill,Platalea leucorodia,335,71.43
166,Bittern,Botaurus stellaris,294,62.69
167,Night-heron,Nycticorax nycticorax,18,3.84
168,Little Egret,Egretta garzetta,444,94.67
169,Cattle Egret,Bubulcus ibis,300,63.97
170,Great White Egret,Ardea alba,387,82.52
171,Grey Heron,Ardea cinerea,454,96.80
172,Purple Heron,Ardea purpurea,53,11.30
173,Osprey,Pandion haliaetus,294,62.69
174,Honey-buzzard,Pernis apivorus,83,17.70
175,Sparrowhawk,Accipiter nisus,443,94.46
176,Goshawk,Accipiter gentilis,195,41.58
177,Marsh Harrier,Circus aeruginosus,406,86.57
178,Hen Harrier,Circus cyaneus,227,48.40
179,Montagu's Harrier,Circus pygargus,22,4.69
180,Red Kite,Milvus milvus,434,92.54
181,White-tailed Eagle,Haliaeetus albicilla,114,24.31
182,Buzzard,Buteo buteo,457,97.44
183,Barn Owl,Tyto alba,371,79.10
184,Little Owl,Athene noctua,281,59.91
185,Long-eared Owl,Asio otus,113,24.09
186,Short-eared Owl,Asio flammeus,262,55.86
187,Tawny Owl,Strix aluco,364,77.61
188,Hoopoe,Upupa epops,92,19.62
189,Roller,Coracias garrulus,113,24.09
190,Kingfisher,Alcedo atthis,410,87.42
191,Belted Kingfisher,Megaceryle alcyon,93,19.83
192,Wryneck,Jynx torquilla,108,23.03
193,Lesser Spotted Woodpecker,Dryobates minor,117,24.95
194,Great Spotted Woodpecker,Dendrocopos major,443,94.46
195,Green Woodpecker,Picus viridis,395,84.22
196,Kestrel,Falco tinnunculus,453,96.59
197,Red-footed Falcon,Falco vespertinus,32,6.82
198,Merlin,Falco columbarius,275,58.64
199,Hobby,Falco subbuteo,347,73.99
200,Peregrine,Falco peregrinus,421,89.77
201,Ring-necked Parakeet,Psittacula krameri,290,61.83
202,Red-eyed Vireo,Vireo olivaceus,26,5.54
203,Golden Oriole,Oriolus oriolus,57,12.15
204,Great Grey Shrike,Lanius excubitor,67,14.29
205,Woodchat Shrike,Lanius senator,99,21.11
206,Red-backed Shrike,Lanius collurio,122,26.01
207,Brown Shrike,Lanius cristatus,15,3.20
208,Jay,Garrulus glandarius,447,95.31
209,Magpie,Pica pica,460,98.08
210,Chough,Pyrrhocorax pyrrhocorax,194,41.36
211,Jackdaw,Coloeus monedula,459,97.87
212,Rook,Corvus frugilegus,453,96.59
213,Carrion Crow,Corvus corone,460,98.08
214,Hooded Crow,Corvus cornix,193,41.15
215,Raven,Corvus corax,415,88.49
216,Coal Tit,Periparus ater,446,95.10
217,Marsh Tit,Poecile palustris,318,67.80
218,Willow Tit,Poecile montanus,179,38.17
219,Blue Tit,Cyanistes caeruleus,463,98.72
220,Great Tit,Parus major,461,98.29
221,Penduline Tit,Remiz pendulinus,25,5.33
222,Bearded Tit,Panurus biarmicus,299,63.75
223,Woodlark,Lullula arborea,210,44.78
224,Skylark,Alauda arvensis,440,93.82
225,Shore Lark,Eremophila alpestris,122,26.01
226,Sand Martin,Riparia riparia,426,90.83
227,Swallow,Hirundo rustica,437,93.18
228,House Martin,Delichon urbicum,432,92.11
229,Red-rumped Swallow,Cecropis daurica,23,4.90
230,Cetti's Warbler,Cettia cetti,387,82.52
231,Long-tailed Tit,Aegithalos caudatus,453,96.59
232,Western Bonelli's Warbler,Phylloscopus bonelli,38,8.10
233,Hume's Warbler,Phylloscopus humei,5,1.07
234,Yellow-browed Warbler,Phylloscopus inornatus,128,27.29
235,Radde's Warbler,Phylloscopus schwarzi,21,4.48
236,Sulphur-bellied Warbler,Phylloscopus griseolus,4,0.85
237,Dusky Warbler,Phylloscopus fuscatus,60,12.79
238,Willow Warbler,Phylloscopus trochilus,415,88.49
239,Chiffchaff,Phylloscopus collybita,441,94.03
240,Green Warbler,Phylloscopus nitidus,91,19.40
241,Two-barred Greenish Warbler,Phylloscopus plumbeitarsus,69,14.71
242,Arctic Warbler,Phylloscopus borealis,29,6.18
243,Great Reed Warbler,Acrocephalus arundinaceus,92,19.62
244,Sedge Warbler,Acrocephalus schoenobaenus,413,88.06
245,Reed Warbler,Acrocephalus scirpaceus,399,85.07
246,Marsh Warbler,Acrocephalus palustris,52,11.09
247,Booted Warbler,Iduna caligata,2,0.43
248,Lanceolated Warbler,Locustella lanceolata,2,0.43
249,River Warbler,Locustella fluviatilis,128,27.29
250,Savi's Warbler,Locustella luscinioides,60,12.79
251,Grasshopper Warbler,Locustella naevia,264,56.29
252,Blackcap,Sylvia atricapilla,437,93.18
253,Garden Warbler,Sylvia borin,343,73.13
254,Barred Warbler,Curruca nisoria,63,13.43
255,Lesser Whitethroat,Curruca curruca,332,70.79
256,Western Subalpine Warbler,Curruca iberiae,11,2.35
257,Eastern Subalpine Warbler,Curruca cantillans,49,10.45
258,Whitethroat,Curruca communis,421,89.77
259,Dartford Warbler,Curruca undata,184,39.23
260,Firecrest,Regulus ignicapilla,198,42.22
261,Goldcrest,Regulus regulus,427,91.04
262,Wren,Troglodytes troglodytes,458,97.65
263,Nuthatch,Sitta europaea,431,91.90
264,Treecreeper,Certhia familiaris,420,89.55
265,Northern Mockingbird,Mimus polyglottos,132,28.14
266,Rose-coloured Starling,Pastor roseus,99,21.11
267,Starling,Sturnus vulgaris,458,97.65
268,Varied Thrush,Ixoreus naevius,14,2.99
269,Song Thrush,Turdus philomelos,454,96.80
270,Mistle Thrush,Turdus viscivorus,437,93.18
271,Redwing,Turdus iliacus,443,94.46
272,Blackbird,Turdus merula,462,98.51
273,Fieldfare,Turdus pilaris,422,89.98
274,Ring Ouzel,Turdus torquatus,261,55.65
275,Rufous-tailed Scrub Robin,Cercotrichas galactotes,19,4.05
276,Spotted Flycatcher,Muscicapa striata,330,70.36
277,Robin,Erithacus rubecula,462,98.51
278,Nightingale,Luscinia megarhynchos,158,33.69
279,Bluethroat,Luscinia svecica,83,17.70
280,Red-breasted Flycatcher,Ficedula parva,68,14.50
281,Taiga Flycatcher,Ficedula albicilla,47,10.02
282,Pied Flycatcher,Ficedula hypoleuca,286,60.98
283,Black Redstart,Phoenicurus ochruros,230,49.04
284,Redstart,Phoenicurus phoenicurus,335,71.43
285,Whinchat,Saxicola rubetra,302,64.39
286,Stonechat,Saxicola rubicola,432,92.11
287,Wheatear,Oenanthe oenanthe,409,87.21
288,Dipper,Cinclus cinclus,289,61.62
289,Tree Sparrow,Passer montanus,328,69.94
290,House Sparrow,Passer domesticus,458,97.65
291,Dunnock,Prunella modularis,462,98.51
292,Yellow Wagtail,Motacilla flava,368,78.46
293,Eastern Yellow Wagtail,Motacilla tschutschensis,23,4.90
294,Citrine Wagtail,Motacilla citreola,11,2.35
295,Grey Wagtail,Motacilla cinerea,440,93.82
296,Pied Wagtail,Motacilla alba,460,98.08
297,Tawny Pipit,Anthus campestris,14,2.99
298,Meadow Pipit,Anthus pratensis,434,92.54
299,Tree Pipit,Anthus trivialis,307,65.46
300,Olive-backed Pipit,Anthus hodgsoni,28,5.97
301,Water Pipit,Anthus spinoletta,155,33.05
302,Rock Pipit,Anthus petrosus,372,79.32
303,Chaffinch,Fringilla coelebs,457,97.44
304,Brambling,Fringilla montifringilla,310,66.10
305,Hawfinch,Coccothraustes coccothraustes,170,36.25
306,Bullfinch,Pyrrhula pyrrhula,429,91.47
307,Common Rosefinch,Carpodacus erythrinus,69,14.71
308,Greenfinch,Chloris chloris,453,96.59
309,Twite,Linaria flavirostris,178,37.95
310,Linnet,Linaria cannabina,437,93.18
311,Common Redpoll,Acanthis flammea,79,16.84
312,Lesser Redpoll,Acanthis cabaret,341,72.71
313,Common Crossbill,Loxia curvirostra,263,56.08
314,Goldfinch,Carduelis carduelis,454,96.80
315,Siskin,Spinus spinus,414,88.27
316,Lapland Bunting,Calcarius lapponicus,78,16.63
317,Snow Bunting,Plectrophenax nivalis,254,54.16
318,Corn Bunting,Emberiza calandra,289,61.62
319,Yellowhammer,Emberiza citrinella,407,86.78
320,Cirl Bunting,Emberiza cirlus,103,21.96
321,Little Bunting,Emberiza pusilla,110,23.45
322,Rustic Bunting,Emberiza rustica,54,11.51
323,Reed Bunting,Emberiza schoeniclus,439,93.60
324,White-throated Sparrow,Zonotrichia albicollis,63,13.43