Robert Norris: Britain Year List 2020 BOU, All records: Top Blockers Record(s) 1 to 182 of 182 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,White-fronted Goose,Anser albifrons,253,61.56
7,Mute Swan,Cygnus olor,399,97.08
8,Whooper Swan,Cygnus cygnus,294,71.53
9,Egyptian Goose,Alopochen aegyptiaca,304,73.97
10,Shelduck,Tadorna tadorna,382,92.94
11,Mandarin Duck,Aix galericulata,250,60.83
12,Garganey,Spatula querquedula,179,43.55
13,Shoveler,Spatula clypeata,379,92.21
14,Gadwall,Mareca strepera,381,92.70
15,Wigeon,Mareca penelope,387,94.16
16,Mallard,Anas platyrhynchos,401,97.57
17,Pintail,Anas acuta,340,82.73
18,Teal,Anas crecca,386,93.92
19,Green-winged Teal,Anas carolinensis,89,21.65
20,Red-crested Pochard,Netta rufina,158,38.44
21,Pochard,Aythya ferina,365,88.81
22,Ring-necked Duck,Aythya collaris,147,35.77
23,Tufted Duck,Aythya fuligula,395,96.11
24,Scaup,Aythya marila,247,60.10
25,Eider,Somateria mollissima,253,61.56
26,Common Scoter,Melanitta nigra,284,69.10
27,Goldeneye,Bucephala clangula,345,83.94
28,Smew,Mergellus albellus,189,45.99
29,Goosander,Mergus merganser,348,84.67
30,Grey Partridge,Perdix perdix,231,56.20
31,Pheasant,Phasianus colchicus,393,95.62
32,Red-legged Partridge,Alectoris rufa,322,78.35
33,Swift,Apus apus,352,85.64
34,Cuckoo,Cuculus canorus,273,66.42
35,Rock Dove (Feral Pigeon),Columba livia,307,74.70
36,Stock Dove,Columba oenas,362,88.08
37,Woodpigeon,Columba palumbus,402,97.81
38,Turtle Dove,Streptopelia turtur,137,33.33
39,Collared Dove,Streptopelia decaocto,391,95.13
40,Water Rail,Rallus aquaticus,289,70.32
41,Moorhen,Gallinula chloropus,397,96.59
42,Coot,Fulica atra,396,96.35
43,Crane,Grus grus,175,42.58
44,Little Grebe,Tachybaptus ruficollis,377,91.73
45,Great Crested Grebe,Podiceps cristatus,378,91.97
46,Black-necked Grebe,Podiceps nigricollis,207,50.36
47,Oystercatcher,Haematopus ostralegus,380,92.46
48,Avocet,Recurvirostra avosetta,313,76.16
49,Grey Plover,Pluvialis squatarola,300,72.99
50,Golden Plover,Pluvialis apricaria,335,81.51
51,Ringed Plover,Charadrius hiaticula,334,81.27
52,Little Ringed Plover,Charadrius dubius,252,61.31
53,Lapwing,Vanellus vanellus,394,95.86
54,Eurasian Whimbrel,Numenius phaeopus,237,57.66
55,Curlew,Numenius arquata,374,91.00
56,Bar-tailed Godwit,Limosa lapponica,282,68.61
57,Black-tailed Godwit,Limosa limosa,357,86.86
58,Jack Snipe,Lymnocryptes minimus,155,37.71
59,Woodcock,Scolopax rusticola,245,59.61
60,Snipe,Gallinago gallinago,350,85.16
61,Common Sandpiper,Actitis hypoleucos,307,74.70
62,Green Sandpiper,Tringa ochropus,288,70.07
63,Wood Sandpiper,Tringa glareola,188,45.74
64,Redshank,Tringa totanus,372,90.51
65,Spotted Redshank,Tringa erythropus,237,57.66
66,Greenshank,Tringa nebularia,304,73.97
67,Turnstone,Arenaria interpres,345,83.94
68,Knot,Calidris canutus,301,73.24
69,Ruff,Calidris pugnax,300,72.99
70,Curlew Sandpiper,Calidris ferruginea,229,55.72
71,Dunlin,Calidris alpina,357,86.86
72,Little Stint,Calidris minuta,194,47.20
73,Caspian Tern,Hydroprogne caspia,70,17.03
74,Arctic Tern,Sterna paradisaea,167,40.63
75,Common Tern,Sterna hirundo,322,78.35
76,Sandwich Tern,Thalasseus sandvicensis,284,69.10
77,Black-headed Gull,Chroicocephalus ridibundus,394,95.86
78,Mediterranean Gull,Ichthyaetus melanocephalus,310,75.43
79,Common Gull,Larus canus,367,89.29
80,Herring Gull,Larus argentatus,389,94.65
81,Yellow-legged Gull,Larus michahellis,192,46.72
82,Great Black-backed Gull,Larus marinus,374,91.00
83,Lesser Black-backed Gull,Larus fuscus,374,91.00
84,Great Skua,Stercorarius skua,151,36.74
85,Common Guillemot,Uria aalge,282,68.61
86,Great Northern Diver,Gavia immer,231,56.20
87,Gannet,Morus bassanus,318,77.37
88,Cormorant,Phalacrocorax carbo,393,95.62
89,Shag,Gulosus aristotelis,282,68.61
90,Glossy Ibis,Plegadis falcinellus,115,27.98
91,Spoonbill,Platalea leucorodia,246,59.85
92,Bittern,Botaurus stellaris,164,39.90
93,Little Egret,Egretta garzetta,388,94.40
94,Cattle Egret,Bubulcus ibis,251,61.07
95,Great White Egret,Ardea alba,337,82.00
96,Grey Heron,Ardea cinerea,393,95.62
97,Osprey,Pandion haliaetus,189,45.99
98,Sparrowhawk,Accipiter nisus,384,93.43
99,Goshawk,Accipiter gentilis,177,43.07
100,Marsh Harrier,Circus aeruginosus,349,84.91
101,Red Kite,Milvus milvus,368,89.54
102,Buzzard,Buteo buteo,391,95.13
103,Barn Owl,Tyto alba,336,81.75
104,Little Owl,Athene noctua,221,53.77
105,Short-eared Owl,Asio flammeus,243,59.12
106,Tawny Owl,Strix aluco,311,75.67
107,Hoopoe,Upupa epops,99,24.09
108,Kingfisher,Alcedo atthis,358,87.10
109,Great Spotted Woodpecker,Dendrocopos major,382,92.94
110,Green Woodpecker,Picus viridis,340,82.73
111,Kestrel,Falco tinnunculus,394,95.86
112,Hobby,Falco subbuteo,278,67.64
113,Peregrine,Falco peregrinus,346,84.18
114,Ring-necked Parakeet,Psittacula krameri,234,56.93
115,Great Grey Shrike,Lanius excubitor,156,37.96
116,Jay,Garrulus glandarius,376,91.48
117,Magpie,Pica pica,399,97.08
118,Jackdaw,Coloeus monedula,393,95.62
119,Rook,Corvus frugilegus,388,94.40
120,Carrion Crow,Corvus corone,398,96.84
121,Raven,Corvus corax,341,82.97
122,Coal Tit,Periparus ater,387,94.16
123,Marsh Tit,Poecile palustris,282,68.61
124,Blue Tit,Cyanistes caeruleus,398,96.84
125,Great Tit,Parus major,398,96.84
126,Woodlark,Lullula arborea,151,36.74
127,Skylark,Alauda arvensis,369,89.78
128,Sand Martin,Riparia riparia,339,82.48
129,Swallow,Hirundo rustica,368,89.54
130,House Martin,Delichon urbicum,352,85.64
131,Cetti's Warbler,Cettia cetti,313,76.16
132,Long-tailed Tit,Aegithalos caudatus,392,95.38
133,Willow Warbler,Phylloscopus trochilus,333,81.02
134,Chiffchaff,Phylloscopus collybita,373,90.75
135,Sedge Warbler,Acrocephalus schoenobaenus,312,75.91
136,Reed Warbler,Acrocephalus scirpaceus,301,73.24
137,Marsh Warbler,Acrocephalus palustris,53,12.90
138,Grasshopper Warbler,Locustella naevia,177,43.07
139,Blackcap,Sylvia atricapilla,356,86.62
140,Garden Warbler,Sylvia borin,260,63.26
141,Lesser Whitethroat,Curruca curruca,265,64.48
142,Whitethroat,Curruca communis,333,81.02
143,Dartford Warbler,Curruca undata,136,33.09
144,Firecrest,Regulus ignicapilla,205,49.88
145,Goldcrest,Regulus regulus,368,89.54
146,Wren,Troglodytes troglodytes,395,96.11
147,Nuthatch,Sitta europaea,369,89.78
148,Treecreeper,Certhia familiaris,354,86.13
149,Starling,Sturnus vulgaris,397,96.59
150,Song Thrush,Turdus philomelos,389,94.65
151,Mistle Thrush,Turdus viscivorus,369,89.78
152,Redwing,Turdus iliacus,384,93.43
153,Blackbird,Turdus merula,397,96.59
154,Fieldfare,Turdus pilaris,361,87.83
155,Ring Ouzel,Turdus torquatus,167,40.63
156,Spotted Flycatcher,Muscicapa striata,271,65.94
157,Robin,Erithacus rubecula,398,96.84
158,Nightingale,Luscinia megarhynchos,110,26.76
159,Redstart,Phoenicurus phoenicurus,247,60.10
160,Whinchat,Saxicola rubetra,251,61.07
161,Stonechat,Saxicola rubicola,375,91.24
162,Wheatear,Oenanthe oenanthe,314,76.40
163,Dipper,Cinclus cinclus,229,55.72
164,Tree Sparrow,Passer montanus,267,64.96
165,House Sparrow,Passer domesticus,396,96.35
166,Dunnock,Prunella modularis,394,95.86
167,Yellow Wagtail,Motacilla flava,268,65.21
168,Grey Wagtail,Motacilla cinerea,359,87.35
169,Pied Wagtail,Motacilla alba,395,96.11
170,Meadow Pipit,Anthus pratensis,373,90.75
171,Chaffinch,Fringilla coelebs,397,96.59
172,Brambling,Fringilla montifringilla,250,60.83
173,Hawfinch,Coccothraustes coccothraustes,190,46.23
174,Bullfinch,Pyrrhula pyrrhula,369,89.78
175,Greenfinch,Chloris chloris,377,91.73
176,Linnet,Linaria cannabina,368,89.54
177,Common Crossbill,Loxia curvirostra,245,59.61
178,Goldfinch,Carduelis carduelis,393,95.62
179,Siskin,Spinus spinus,339,82.48
180,Corn Bunting,Emberiza calandra,216,52.55
181,Yellowhammer,Emberiza citrinella,349,84.91
182,Reed Bunting,Emberiza schoeniclus,377,91.73