James Johnstone: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 261 of 261 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,Ross's Goose,Anser rossii,11,2.35
5,Snow Goose,Anser caerulescens,32,6.82
6,Greylag Goose,Anser anser,449,95.74
7,Taiga Bean Goose,Anser fabalis,36,7.68
8,Pink-footed Goose,Anser brachyrhynchus,357,76.12
9,White-fronted Goose,Anser albifrons,238,50.75
10,Mute Swan,Cygnus olor,461,98.29
11,Whooper Swan,Cygnus cygnus,310,66.10
12,Egyptian Goose,Alopochen aegyptiaca,370,78.89
13,Shelduck,Tadorna tadorna,441,94.03
14,Mandarin Duck,Aix galericulata,310,66.10
15,Garganey,Spatula querquedula,282,60.13
16,Shoveler,Spatula clypeata,444,94.67
17,Gadwall,Mareca strepera,442,94.24
18,Wigeon,Mareca penelope,442,94.24
19,Mallard,Anas platyrhynchos,461,98.29
20,Pintail,Anas acuta,390,83.16
21,Teal,Anas crecca,445,94.88
22,Green-winged Teal,Anas carolinensis,74,15.78
23,Pochard,Aythya ferina,426,90.83
24,Ring-necked Duck,Aythya collaris,190,40.51
25,Tufted Duck,Aythya fuligula,457,97.44
26,Scaup,Aythya marila,244,52.03
27,King Eider,Somateria spectabilis,57,12.15
28,Eider,Somateria mollissima,333,71.00
29,Surf Scoter,Melanitta perspicillata,53,11.30
30,Velvet Scoter,Melanitta fusca,171,36.46
31,White-winged Scoter,Melanitta deglandi,20,4.26
32,Common Scoter,Melanitta nigra,347,73.99
33,Long-tailed Duck,Clangula hyemalis,205,43.71
34,Goldeneye,Bucephala clangula,383,81.66
35,Smew,Mergellus albellus,159,33.90
36,Hooded Merganser,Lophodytes cucullatus,13,2.77
37,Goosander,Mergus merganser,390,83.16
38,Red-breasted Merganser,Mergus serrator,324,69.08
39,Red Grouse,Lagopus lagopus,209,44.56
40,Black Grouse,Lyrurus tetrix,102,21.75
41,Grey Partridge,Perdix perdix,294,62.69
42,Pheasant,Phasianus colchicus,454,96.80
43,Quail,Coturnix coturnix,87,18.55
44,Red-legged Partridge,Alectoris rufa,400,85.29
45,Nightjar,Caprimulgus europaeus,205,43.71
46,Swift,Apus apus,430,91.68
47,Pacific Swift,Apus pacificus,10,2.13
48,Cuckoo,Cuculus canorus,382,81.45
49,Rock Dove (Feral Pigeon),Columba livia,403,85.93
50,Stock Dove,Columba oenas,416,88.70
51,Woodpigeon,Columba palumbus,463,98.72
52,Turtle Dove,Streptopelia turtur,172,36.67
53,Collared Dove,Streptopelia decaocto,453,96.59
54,Water Rail,Rallus aquaticus,353,75.27
55,Moorhen,Gallinula chloropus,458,97.65
56,Coot,Fulica atra,456,97.23
57,Crane,Grus grus,199,42.43
58,Little Grebe,Tachybaptus ruficollis,443,94.46
59,Pied-billed Grebe,Podilymbus podiceps,21,4.48
60,Red-necked Grebe,Podiceps grisegena,141,30.06
61,Great Crested Grebe,Podiceps cristatus,447,95.31
62,Slavonian Grebe,Podiceps auritus,235,50.11
63,Black-necked Grebe,Podiceps nigricollis,255,54.37
64,Stone-curlew,Burhinus oedicnemus,168,35.82
65,Oystercatcher,Haematopus ostralegus,448,95.52
66,Avocet,Recurvirostra avosetta,394,84.01
67,Grey Plover,Pluvialis squatarola,343,73.13
68,Golden Plover,Pluvialis apricaria,389,82.94
69,American Golden Plover,Pluvialis dominica,73,15.57
70,Dotterel,Eudromias morinellus,109,23.24
71,Ringed Plover,Charadrius hiaticula,399,85.07
72,Little Ringed Plover,Charadrius dubius,360,76.76
73,Lapwing,Vanellus vanellus,453,96.59
74,White-tailed Plover,Vanellus leucurus,200,42.64
75,Eurasian Whimbrel,Numenius phaeopus,349,74.41
76,Curlew,Numenius arquata,436,92.96
77,Bar-tailed Godwit,Limosa lapponica,368,78.46
78,Black-tailed Godwit,Limosa limosa,411,87.63
79,Jack Snipe,Lymnocryptes minimus,232,49.47
80,Woodcock,Scolopax rusticola,291,62.05
81,Snipe,Gallinago gallinago,413,88.06
82,Red-necked Phalarope,Phalaropus lobatus,65,13.86
83,Common Sandpiper,Actitis hypoleucos,397,84.65
84,Spotted Sandpiper,Actitis macularius,25,5.33
85,Green Sandpiper,Tringa ochropus,351,74.84
86,Wood Sandpiper,Tringa glareola,270,57.57
87,Redshank,Tringa totanus,434,92.54
88,Lesser Yellowlegs,Tringa flavipes,45,9.59
89,Spotted Redshank,Tringa erythropus,331,70.58
90,Greenshank,Tringa nebularia,382,81.45
91,Greater Yellowlegs,Tringa melanoleuca,14,2.99
92,Turnstone,Arenaria interpres,411,87.63
93,Knot,Calidris canutus,349,74.41
94,Ruff,Calidris pugnax,369,78.68
95,Curlew Sandpiper,Calidris ferruginea,259,55.22
96,Long-toed Stint,Calidris subminuta,128,27.29
97,Red-necked Stint,Calidris ruficollis,58,12.37
98,Sanderling,Calidris alba,369,78.68
99,Dunlin,Calidris alpina,418,89.13
100,Purple Sandpiper,Calidris maritima,265,56.50
101,Little Stint,Calidris minuta,290,61.83
102,Pectoral Sandpiper,Calidris melanotos,177,37.74
103,Little Tern,Sternula albifrons,286,60.98
104,Black Tern,Chlidonias niger,167,35.61
105,Arctic Tern,Sterna paradisaea,290,61.83
106,Common Tern,Sterna hirundo,407,86.78
107,Roseate Tern,Sterna dougallii,143,30.49
108,Sandwich Tern,Thalasseus sandvicensis,372,79.32
109,Elegant Tern,Thalasseus elegans,84,17.91
110,Little Gull,Hydrocoloeus minutus,281,59.91
111,Kittiwake,Rissa tridactyla,382,81.45
112,Black-headed Gull,Chroicocephalus ridibundus,460,98.08
113,Mediterranean Gull,Ichthyaetus melanocephalus,366,78.04
114,Common Gull,Larus canus,418,89.13
115,Ring-billed Gull,Larus delawarensis,21,4.48
116,Herring Gull,Larus argentatus,457,97.44
117,Great Black-backed Gull,Larus marinus,433,92.32
118,Lesser Black-backed Gull,Larus fuscus,448,95.52
119,Iceland Gull,Larus glaucoides,158,33.69
120,Long-tailed Skua,Stercorarius longicaudus,87,18.55
121,Arctic Skua,Stercorarius parasiticus,204,43.50
122,Pomarine Skua,Stercorarius pomarinus,81,17.27
123,Great Skua,Stercorarius skua,216,46.06
124,Puffin,Fratercula arctica,305,65.03
125,Black Guillemot,Cepphus grylle,206,43.92
126,Razorbill,Alca torda,377,80.38
127,Common Guillemot,Uria aalge,387,82.52
128,Red-throated Diver,Gavia stellata,330,70.36
129,Black-throated Diver,Gavia arctica,178,37.95
130,Great Northern Diver,Gavia immer,287,61.19
131,Black-browed Albatross,Thalassarche melanophris,200,42.64
132,Fulmar,Fulmarus glacialis,389,82.94
133,Manx Shearwater,Puffinus puffinus,246,52.45
134,Gannet,Morus bassanus,405,86.35
135,Cormorant,Phalacrocorax carbo,457,97.44
136,Shag,Gulosus aristotelis,370,78.89
137,Spoonbill,Platalea leucorodia,335,71.43
138,Bittern,Botaurus stellaris,294,62.69
139,Little Egret,Egretta garzetta,444,94.67
140,Cattle Egret,Bubulcus ibis,300,63.97
141,Great White Egret,Ardea alba,387,82.52
142,Grey Heron,Ardea cinerea,454,96.80
143,Osprey,Pandion haliaetus,294,62.69
144,Honey-buzzard,Pernis apivorus,83,17.70
145,Golden Eagle,Aquila chrysaetos,81,17.27
146,Sparrowhawk,Accipiter nisus,443,94.46
147,Goshawk,Accipiter gentilis,195,41.58
148,Marsh Harrier,Circus aeruginosus,406,86.57
149,Hen Harrier,Circus cyaneus,227,48.40
150,Red Kite,Milvus milvus,434,92.54
151,Black Kite,Milvus migrans,12,2.56
152,White-tailed Eagle,Haliaeetus albicilla,114,24.31
153,Buzzard,Buteo buteo,457,97.44
154,Barn Owl,Tyto alba,371,79.10
155,Little Owl,Athene noctua,281,59.91
156,Long-eared Owl,Asio otus,113,24.09
157,Short-eared Owl,Asio flammeus,262,55.86
158,Tawny Owl,Strix aluco,364,77.61
159,Kingfisher,Alcedo atthis,410,87.42
160,Great Spotted Woodpecker,Dendrocopos major,443,94.46
161,Green Woodpecker,Picus viridis,395,84.22
162,Kestrel,Falco tinnunculus,453,96.59
163,Merlin,Falco columbarius,275,58.64
164,Hobby,Falco subbuteo,347,73.99
165,Peregrine,Falco peregrinus,421,89.77
166,Ring-necked Parakeet,Psittacula krameri,290,61.83
167,Red-eyed Vireo,Vireo olivaceus,26,5.54
168,Woodchat Shrike,Lanius senator,99,21.11
169,Red-backed Shrike,Lanius collurio,122,26.01
170,Jay,Garrulus glandarius,447,95.31
171,Magpie,Pica pica,460,98.08
172,Chough,Pyrrhocorax pyrrhocorax,194,41.36
173,Jackdaw,Coloeus monedula,459,97.87
174,Rook,Corvus frugilegus,453,96.59
175,Carrion Crow,Corvus corone,460,98.08
176,Hooded Crow,Corvus cornix,193,41.15
177,Raven,Corvus corax,415,88.49
178,Coal Tit,Periparus ater,446,95.10
179,Marsh Tit,Poecile palustris,318,67.80
180,Willow Tit,Poecile montanus,179,38.17
181,Blue Tit,Cyanistes caeruleus,463,98.72
182,Great Tit,Parus major,461,98.29
183,Bearded Tit,Panurus biarmicus,299,63.75
184,Woodlark,Lullula arborea,210,44.78
185,Skylark,Alauda arvensis,440,93.82
186,Sand Martin,Riparia riparia,426,90.83
187,Swallow,Hirundo rustica,437,93.18
188,House Martin,Delichon urbicum,432,92.11
189,Cetti's Warbler,Cettia cetti,387,82.52
190,Long-tailed Tit,Aegithalos caudatus,453,96.59
191,Wood Warbler,Phylloscopus sibilatrix,179,38.17
192,Pallas's Warbler,Phylloscopus proregulus,15,3.20
193,Willow Warbler,Phylloscopus trochilus,415,88.49
194,Chiffchaff,Phylloscopus collybita,441,94.03
195,Arctic Warbler,Phylloscopus borealis,29,6.18
196,Great Reed Warbler,Acrocephalus arundinaceus,92,19.62
197,Sedge Warbler,Acrocephalus schoenobaenus,413,88.06
198,Reed Warbler,Acrocephalus scirpaceus,399,85.07
199,Icterine Warbler,Hippolais icterina,22,4.69
200,River Warbler,Locustella fluviatilis,128,27.29
201,Savi's Warbler,Locustella luscinioides,60,12.79
202,Grasshopper Warbler,Locustella naevia,264,56.29
203,Blackcap,Sylvia atricapilla,437,93.18
204,Garden Warbler,Sylvia borin,343,73.13
205,Lesser Whitethroat,Curruca curruca,332,70.79
206,Eastern Subalpine Warbler,Curruca cantillans,49,10.45
207,Whitethroat,Curruca communis,421,89.77
208,Dartford Warbler,Curruca undata,184,39.23
209,Goldcrest,Regulus regulus,427,91.04
210,Wren,Troglodytes troglodytes,458,97.65
211,Nuthatch,Sitta europaea,431,91.90
212,Treecreeper,Certhia familiaris,420,89.55
213,Northern Mockingbird,Mimus polyglottos,132,28.14
214,Rose-coloured Starling,Pastor roseus,99,21.11
215,Starling,Sturnus vulgaris,458,97.65
216,Song Thrush,Turdus philomelos,454,96.80
217,Mistle Thrush,Turdus viscivorus,437,93.18
218,Redwing,Turdus iliacus,443,94.46
219,Blackbird,Turdus merula,462,98.51
220,Fieldfare,Turdus pilaris,422,89.98
221,Ring Ouzel,Turdus torquatus,261,55.65
222,Spotted Flycatcher,Muscicapa striata,330,70.36
223,Robin,Erithacus rubecula,462,98.51
224,Nightingale,Luscinia megarhynchos,158,33.69
225,Bluethroat,Luscinia svecica,83,17.70
226,Pied Flycatcher,Ficedula hypoleuca,286,60.98
227,Black Redstart,Phoenicurus ochruros,230,49.04
228,Redstart,Phoenicurus phoenicurus,335,71.43
229,Whinchat,Saxicola rubetra,302,64.39
230,Stonechat,Saxicola rubicola,432,92.11
231,Wheatear,Oenanthe oenanthe,409,87.21
232,Isabelline Wheatear,Oenanthe isabellina,25,5.33
233,Pied Wheatear,Oenanthe pleschanka,21,4.48
234,Dipper,Cinclus cinclus,289,61.62
235,Tree Sparrow,Passer montanus,328,69.94
236,House Sparrow,Passer domesticus,458,97.65
237,Dunnock,Prunella modularis,462,98.51
238,Yellow Wagtail,Motacilla flava,368,78.46
239,Grey Wagtail,Motacilla cinerea,440,93.82
240,Pied Wagtail,Motacilla alba,460,98.08
241,Meadow Pipit,Anthus pratensis,434,92.54
242,Tree Pipit,Anthus trivialis,307,65.46
243,Water Pipit,Anthus spinoletta,155,33.05
244,Rock Pipit,Anthus petrosus,372,79.32
245,Chaffinch,Fringilla coelebs,457,97.44
246,Brambling,Fringilla montifringilla,310,66.10
247,Hawfinch,Coccothraustes coccothraustes,170,36.25
248,Bullfinch,Pyrrhula pyrrhula,429,91.47
249,Greenfinch,Chloris chloris,453,96.59
250,Twite,Linaria flavirostris,178,37.95
251,Linnet,Linaria cannabina,437,93.18
252,Lesser Redpoll,Acanthis cabaret,341,72.71
253,Scottish Crossbill,Loxia scotica,21,4.48
254,Common Crossbill,Loxia curvirostra,263,56.08
255,Goldfinch,Carduelis carduelis,454,96.80
256,Siskin,Spinus spinus,414,88.27
257,Snow Bunting,Plectrophenax nivalis,254,54.16
258,Corn Bunting,Emberiza calandra,289,61.62
259,Yellowhammer,Emberiza citrinella,407,86.78
260,Little Bunting,Emberiza pusilla,110,23.45
261,Reed Bunting,Emberiza schoeniclus,439,93.60