Brian Thompson: Britain Year List 2020 BOU, All records: Top Blockers Record(s) 1 to 211 of 211 total.
Seq.,Species,Scientific Name,Seen By Other Listers,Other Listers (%)
1,Brent Goose,Branta bernicla,317,77.13
2,Canada Goose,Branta canadensis,397,96.59
3,Barnacle Goose,Branta leucopsis,273,66.42
4,Greylag Goose,Anser anser,390,94.89
5,Pink-footed Goose,Anser brachyrhynchus,312,75.91
6,Tundra Bean Goose,Anser serrirostris,161,39.17
7,White-fronted Goose,Anser albifrons,253,61.56
8,Mute Swan,Cygnus olor,399,97.08
9,Bewick's Swan,Cygnus columbianus,176,42.82
10,Whooper Swan,Cygnus cygnus,294,71.53
11,Egyptian Goose,Alopochen aegyptiaca,304,73.97
12,Shelduck,Tadorna tadorna,382,92.94
13,Mandarin Duck,Aix galericulata,250,60.83
14,Garganey,Spatula querquedula,179,43.55
15,Shoveler,Spatula clypeata,379,92.21
16,Gadwall,Mareca strepera,381,92.70
17,Wigeon,Mareca penelope,387,94.16
18,American Wigeon,Mareca americana,23,5.60
19,Mallard,Anas platyrhynchos,401,97.57
20,Pintail,Anas acuta,340,82.73
21,Teal,Anas crecca,386,93.92
22,Red-crested Pochard,Netta rufina,158,38.44
23,Pochard,Aythya ferina,365,88.81
24,Ring-necked Duck,Aythya collaris,147,35.77
25,Tufted Duck,Aythya fuligula,395,96.11
26,Scaup,Aythya marila,247,60.10
27,Lesser Scaup,Aythya affinis,20,4.87
28,Velvet Scoter,Melanitta fusca,132,32.12
29,Common Scoter,Melanitta nigra,284,69.10
30,Long-tailed Duck,Clangula hyemalis,221,53.77
31,Goldeneye,Bucephala clangula,345,83.94
32,Goosander,Mergus merganser,348,84.67
33,Red-breasted Merganser,Mergus serrator,266,64.72
34,Ruddy Duck,Oxyura jamaicensis,16,3.89
35,Grey Partridge,Perdix perdix,231,56.20
36,Pheasant,Phasianus colchicus,393,95.62
37,Red-legged Partridge,Alectoris rufa,322,78.35
38,Nightjar,Caprimulgus europaeus,157,38.20
39,Swift,Apus apus,352,85.64
40,Cuckoo,Cuculus canorus,273,66.42
41,Stock Dove,Columba oenas,362,88.08
42,Woodpigeon,Columba palumbus,402,97.81
43,Collared Dove,Streptopelia decaocto,391,95.13
44,Water Rail,Rallus aquaticus,289,70.32
45,Moorhen,Gallinula chloropus,397,96.59
46,Coot,Fulica atra,396,96.35
47,Little Grebe,Tachybaptus ruficollis,377,91.73
48,Red-necked Grebe,Podiceps grisegena,122,29.68
49,Great Crested Grebe,Podiceps cristatus,378,91.97
50,Slavonian Grebe,Podiceps auritus,184,44.77
51,Black-necked Grebe,Podiceps nigricollis,207,50.36
52,Oystercatcher,Haematopus ostralegus,380,92.46
53,Avocet,Recurvirostra avosetta,313,76.16
54,Grey Plover,Pluvialis squatarola,300,72.99
55,Golden Plover,Pluvialis apricaria,335,81.51
56,Ringed Plover,Charadrius hiaticula,334,81.27
57,Little Ringed Plover,Charadrius dubius,252,61.31
58,Lapwing,Vanellus vanellus,394,95.86
59,Sociable Plover,Vanellus gregarius,26,6.33
60,Kentish Plover,Anarhynchus alexandrinus,16,3.89
61,Eurasian Whimbrel,Numenius phaeopus,237,57.66
62,Curlew,Numenius arquata,374,91.00
63,Bar-tailed Godwit,Limosa lapponica,282,68.61
64,Black-tailed Godwit,Limosa limosa,357,86.86
65,Jack Snipe,Lymnocryptes minimus,155,37.71
66,Woodcock,Scolopax rusticola,245,59.61
67,Snipe,Gallinago gallinago,350,85.16
68,Wilson's Phalarope,Phalaropus tricolor,43,10.46
69,Grey Phalarope,Phalaropus fulicarius,111,27.01
70,Common Sandpiper,Actitis hypoleucos,307,74.70
71,Green Sandpiper,Tringa ochropus,288,70.07
72,Wood Sandpiper,Tringa glareola,188,45.74
73,Redshank,Tringa totanus,372,90.51
74,Lesser Yellowlegs,Tringa flavipes,102,24.82
75,Spotted Redshank,Tringa erythropus,237,57.66
76,Greenshank,Tringa nebularia,304,73.97
77,Turnstone,Arenaria interpres,345,83.94
78,Knot,Calidris canutus,301,73.24
79,Ruff,Calidris pugnax,300,72.99
80,Curlew Sandpiper,Calidris ferruginea,229,55.72
81,Sanderling,Calidris alba,298,72.51
82,Dunlin,Calidris alpina,357,86.86
83,Little Stint,Calidris minuta,194,47.20
84,Pectoral Sandpiper,Calidris melanotos,117,28.47
85,Collared Pratincole,Glareola pratincola,24,5.84
86,Black Tern,Chlidonias niger,99,24.09
87,Arctic Tern,Sterna paradisaea,167,40.63
88,Common Tern,Sterna hirundo,322,78.35
89,Sandwich Tern,Thalasseus sandvicensis,284,69.10
90,Little Gull,Hydrocoloeus minutus,166,40.39
91,Black-headed Gull,Chroicocephalus ridibundus,394,95.86
92,Laughing Gull,Leucophaeus atricilla,39,9.49
93,Mediterranean Gull,Ichthyaetus melanocephalus,310,75.43
94,Common Gull,Larus canus,367,89.29
95,Caspian Gull,Larus cachinnans,168,40.88
96,Herring Gull,Larus argentatus,389,94.65
97,Yellow-legged Gull,Larus michahellis,192,46.72
98,Great Black-backed Gull,Larus marinus,374,91.00
99,Glaucous Gull,Larus hyperboreus,54,13.14
100,Lesser Black-backed Gull,Larus fuscus,374,91.00
101,Iceland Gull,Larus glaucoides,125,30.41
102,Arctic Skua,Stercorarius parasiticus,148,36.01
103,Black-throated Diver,Gavia arctica,143,34.79
104,Great Northern Diver,Gavia immer,231,56.20
105,Fulmar,Fulmarus glacialis,283,68.86
106,Gannet,Morus bassanus,318,77.37
107,Cormorant,Phalacrocorax carbo,393,95.62
108,Shag,Gulosus aristotelis,282,68.61
109,Glossy Ibis,Plegadis falcinellus,115,27.98
110,Little Egret,Egretta garzetta,388,94.40
111,Cattle Egret,Bubulcus ibis,251,61.07
112,Great White Egret,Ardea alba,337,82.00
113,Grey Heron,Ardea cinerea,393,95.62
114,Purple Heron,Ardea purpurea,67,16.30
115,Osprey,Pandion haliaetus,189,45.99
116,Sparrowhawk,Accipiter nisus,384,93.43
117,Marsh Harrier,Circus aeruginosus,349,84.91
118,Hen Harrier,Circus cyaneus,236,57.42
119,Red Kite,Milvus milvus,368,89.54
120,Rough-legged Buzzard,Buteo lagopus,133,32.36
121,Buzzard,Buteo buteo,391,95.13
122,Barn Owl,Tyto alba,336,81.75
123,Little Owl,Athene noctua,221,53.77
124,Short-eared Owl,Asio flammeus,243,59.12
125,Tawny Owl,Strix aluco,311,75.67
126,Kingfisher,Alcedo atthis,358,87.10
127,Great Spotted Woodpecker,Dendrocopos major,382,92.94
128,Green Woodpecker,Picus viridis,340,82.73
129,Kestrel,Falco tinnunculus,394,95.86
130,Red-footed Falcon,Falco vespertinus,64,15.57
131,Merlin,Falco columbarius,254,61.80
132,Hobby,Falco subbuteo,278,67.64
133,Peregrine,Falco peregrinus,346,84.18
134,Red-backed Shrike,Lanius collurio,144,35.04
135,Jay,Garrulus glandarius,376,91.48
136,Magpie,Pica pica,399,97.08
137,Jackdaw,Coloeus monedula,393,95.62
138,Rook,Corvus frugilegus,388,94.40
139,Carrion Crow,Corvus corone,398,96.84
140,Raven,Corvus corax,341,82.97
141,Waxwing,Bombycilla garrulus,147,35.77
142,Coal Tit,Periparus ater,387,94.16
143,Marsh Tit,Poecile palustris,282,68.61
144,Willow Tit,Poecile montanus,168,40.88
145,Blue Tit,Cyanistes caeruleus,398,96.84
146,Great Tit,Parus major,398,96.84
147,Bearded Tit,Panurus biarmicus,210,51.09
148,Skylark,Alauda arvensis,369,89.78
149,Shore Lark,Eremophila alpestris,93,22.63
150,Sand Martin,Riparia riparia,339,82.48
151,Swallow,Hirundo rustica,368,89.54
152,House Martin,Delichon urbicum,352,85.64
153,Cetti's Warbler,Cettia cetti,313,76.16
154,Long-tailed Tit,Aegithalos caudatus,392,95.38
155,Wood Warbler,Phylloscopus sibilatrix,101,24.57
156,Yellow-browed Warbler,Phylloscopus inornatus,192,46.72
157,Pallas's Warbler,Phylloscopus proregulus,89,21.65
158,Willow Warbler,Phylloscopus trochilus,333,81.02
159,Chiffchaff,Phylloscopus collybita,373,90.75
160,Sedge Warbler,Acrocephalus schoenobaenus,312,75.91
161,Reed Warbler,Acrocephalus scirpaceus,301,73.24
162,Blackcap,Sylvia atricapilla,356,86.62
163,Garden Warbler,Sylvia borin,260,63.26
164,Barred Warbler,Curruca nisoria,88,21.41
165,Whitethroat,Curruca communis,333,81.02
166,Firecrest,Regulus ignicapilla,205,49.88
167,Goldcrest,Regulus regulus,368,89.54
168,Wren,Troglodytes troglodytes,395,96.11
169,Nuthatch,Sitta europaea,369,89.78
170,Treecreeper,Certhia familiaris,354,86.13
171,Rose-coloured Starling,Pastor roseus,108,26.28
172,Starling,Sturnus vulgaris,397,96.59
173,Song Thrush,Turdus philomelos,389,94.65
174,Mistle Thrush,Turdus viscivorus,369,89.78
175,Redwing,Turdus iliacus,384,93.43
176,Blackbird,Turdus merula,397,96.59
177,Fieldfare,Turdus pilaris,361,87.83
178,Spotted Flycatcher,Muscicapa striata,271,65.94
179,Robin,Erithacus rubecula,398,96.84
180,Pied Flycatcher,Ficedula hypoleuca,208,50.61
181,Black Redstart,Phoenicurus ochruros,191,46.47
182,Redstart,Phoenicurus phoenicurus,247,60.10
183,Whinchat,Saxicola rubetra,251,61.07
184,Stonechat,Saxicola rubicola,375,91.24
185,Wheatear,Oenanthe oenanthe,314,76.40
186,Dipper,Cinclus cinclus,229,55.72
187,Tree Sparrow,Passer montanus,267,64.96
188,House Sparrow,Passer domesticus,396,96.35
189,Dunnock,Prunella modularis,394,95.86
190,Yellow Wagtail,Motacilla flava,268,65.21
191,Eastern Yellow Wagtail,Motacilla tschutschensis,132,32.12
192,Grey Wagtail,Motacilla cinerea,359,87.35
193,Pied Wagtail,Motacilla alba,395,96.11
194,Meadow Pipit,Anthus pratensis,373,90.75
195,Tree Pipit,Anthus trivialis,204,49.64
196,Water Pipit,Anthus spinoletta,172,41.85
197,Rock Pipit,Anthus petrosus,290,70.56
198,Chaffinch,Fringilla coelebs,397,96.59
199,Brambling,Fringilla montifringilla,250,60.83
200,Hawfinch,Coccothraustes coccothraustes,190,46.23
201,Bullfinch,Pyrrhula pyrrhula,369,89.78
202,Greenfinch,Chloris chloris,377,91.73
203,Twite,Linaria flavirostris,163,39.66
204,Linnet,Linaria cannabina,368,89.54
205,Lesser Redpoll,Acanthis cabaret,263,63.99
206,Goldfinch,Carduelis carduelis,393,95.62
207,Siskin,Spinus spinus,339,82.48
208,Snow Bunting,Plectrophenax nivalis,200,48.66
209,Corn Bunting,Emberiza calandra,216,52.55
210,Yellowhammer,Emberiza citrinella,349,84.91
211,Reed Bunting,Emberiza schoeniclus,377,91.73