Matty R: Britain Year List 2023 BOU, All records: Top Blockers Record(s) 1 to 124 of 124 total.
Seq.	Species	Scientific Name	Seen By Other Listers	Other Listers (%)	
1	Brent Goose	Branta bernicla	388	78.23	
2	Canada Goose	Branta canadensis	487	98.19	
3	Greylag Goose	Anser anser	481	96.98	
4	Pink-footed Goose	Anser brachyrhynchus	399	80.44	
5	Mute Swan	Cygnus olor	490	98.79	
6	Bewick's Swan	Cygnus columbianus	258	52.02	
7	Whooper Swan	Cygnus cygnus	386	77.82	
8	Egyptian Goose	Alopochen aegyptiaca	391	78.83	
9	Shelduck	Tadorna tadorna	477	96.17	
10	Shoveler	Spatula clypeata	468	94.35	
11	Gadwall	Mareca strepera	464	93.55	
12	Wigeon	Mareca penelope	472	95.16	
13	Mallard	Anas platyrhynchos	489	98.59	
14	Teal	Anas crecca	478	96.37	
15	Pochard	Aythya ferina	455	91.73	
16	Tufted Duck	Aythya fuligula	478	96.37	
17	Eider	Somateria mollissima	354	71.37	
18	Goldeneye	Bucephala clangula	432	87.10	
19	Goosander	Mergus merganser	434	87.50	
20	Red-breasted Merganser	Mergus serrator	364	73.39	
21	Red Grouse	Lagopus lagopus	258	52.02	
22	Grey Partridge	Perdix perdix	314	63.31	
23	Pheasant	Phasianus colchicus	483	97.38	
24	Red-legged Partridge	Alectoris rufa	405	81.65	
25	Swift	Apus apus	443	89.31	
26	Rock Dove (Feral Pigeon)	Columba livia	417	84.07	
27	Woodpigeon	Columba palumbus	490	98.79	
28	Collared Dove	Streptopelia decaocto	484	97.58	
29	Water Rail	Rallus aquaticus	383	77.22	
30	Moorhen	Gallinula chloropus	488	98.39	
31	Coot	Fulica atra	483	97.38	
32	Crane	Grus grus	257	51.81	
33	Little Grebe	Tachybaptus ruficollis	466	93.95	
34	Red-necked Grebe	Podiceps grisegena	153	30.85	
35	Great Crested Grebe	Podiceps cristatus	467	94.15	
36	Oystercatcher	Haematopus ostralegus	471	94.96	
37	Avocet	Recurvirostra avosetta	432	87.10	
38	Grey Plover	Pluvialis squatarola	375	75.60	
39	Golden Plover	Pluvialis apricaria	421	84.88	
40	Ringed Plover	Charadrius hiaticula	443	89.31	
41	Lapwing	Vanellus vanellus	479	96.57	
42	Curlew	Numenius arquata	465	93.75	
43	Bar-tailed Godwit	Limosa lapponica	376	75.81	
44	Black-tailed Godwit	Limosa limosa	444	89.52	
45	Snipe	Gallinago gallinago	446	89.92	
46	Redshank	Tringa totanus	470	94.76	
47	Spotted Redshank	Tringa erythropus	300	60.48	
48	Greenshank	Tringa nebularia	375	75.60	
49	Turnstone	Arenaria interpres	433	87.30	
50	Knot	Calidris canutus	347	69.96	
51	Ruff	Calidris pugnax	390	78.63	
52	Sanderling	Calidris alba	387	78.02	
53	Dunlin	Calidris alpina	452	91.13	
54	Little Stint	Calidris minuta	262	52.82	
55	Black-headed Gull	Chroicocephalus ridibundus	485	97.78	
56	Herring Gull	Larus argentatus	483	97.38	
57	Great Black-backed Gull	Larus marinus	454	91.53	
58	Razorbill	Alca torda	372	75.00	
59	Common Guillemot	Uria aalge	391	78.83	
60	Red-throated Diver	Gavia stellata	356	71.77	
61	Fulmar	Fulmarus glacialis	368	74.19	
62	Gannet	Morus bassanus	404	81.45	
63	Brown Booby	Sula leucogaster	141	28.43	
64	Cormorant	Phalacrocorax carbo	485	97.78	
65	Shag	Gulosus aristotelis	393	79.23	
66	Bittern	Botaurus stellaris	293	59.07	
67	Little Egret	Egretta garzetta	473	95.36	
68	Great White Egret	Ardea alba	428	86.29	
69	Grey Heron	Ardea cinerea	484	97.58	
70	Sparrowhawk	Accipiter nisus	469	94.56	
71	Marsh Harrier	Circus aeruginosus	440	88.71	
72	Red Kite	Milvus milvus	467	94.15	
73	White-tailed Eagle	Haliaeetus albicilla	164	33.06	
74	Buzzard	Buteo buteo	487	98.19	
75	Barn Owl	Tyto alba	413	83.27	
76	Little Owl	Athene noctua	261	52.62	
77	Long-eared Owl	Asio otus	203	40.93	
78	Kingfisher	Alcedo atthis	433	87.30	
79	Great Spotted Woodpecker	Dendrocopos major	467	94.15	
80	Green Woodpecker	Picus viridis	406	81.85	
81	Kestrel	Falco tinnunculus	486	97.98	
82	Peregrine	Falco peregrinus	427	86.09	
83	Ring-necked Parakeet	Psittacula krameri	326	65.73	
84	Jay	Garrulus glandarius	470	94.76	
85	Magpie	Pica pica	490	98.79	
86	Jackdaw	Coloeus monedula	488	98.39	
87	Rook	Corvus frugilegus	476	95.97	
88	Carrion Crow	Corvus corone	489	98.59	
89	Waxwing	Bombycilla garrulus	299	60.28	
90	Coal Tit	Periparus ater	468	94.35	
91	Blue Tit	Cyanistes caeruleus	488	98.39	
92	Great Tit	Parus major	487	98.19	
93	Skylark	Alauda arvensis	469	94.56	
94	Shore Lark	Eremophila alpestris	158	31.85	
95	Sand Martin	Riparia riparia	443	89.31	
96	Swallow	Hirundo rustica	453	91.33	
97	House Martin	Delichon urbicum	444	89.52	
98	Cetti's Warbler	Cettia cetti	419	84.48	
99	Long-tailed Tit	Aegithalos caudatus	483	97.38	
100	Hume's Warbler	Phylloscopus humei	87	17.54	
101	Goldcrest	Regulus regulus	458	92.34	
102	Wren	Troglodytes troglodytes	486	97.98	
103	Nuthatch	Sitta europaea	447	90.12	
104	Starling	Sturnus vulgaris	487	98.19	
105	Song Thrush	Turdus philomelos	472	95.16	
106	Redwing	Turdus iliacus	466	93.95	
107	Blackbird	Turdus merula	490	98.79	
108	Fieldfare	Turdus pilaris	452	91.13	
109	Robin	Erithacus rubecula	485	97.78	
110	Stonechat	Saxicola rubicola	459	92.54	
111	House Sparrow	Passer domesticus	488	98.39	
112	Dunnock	Prunella modularis	481	96.98	
113	Grey Wagtail	Motacilla cinerea	451	90.93	
114	Chaffinch	Fringilla coelebs	484	97.58	
115	Bullfinch	Pyrrhula pyrrhula	435	87.70	
116	Greenfinch	Chloris chloris	471	94.96	
117	Twite	Linaria flavirostris	210	42.34	
118	Linnet	Linaria cannabina	458	92.34	
119	Lesser Redpoll	Acanthis cabaret	345	69.56	
120	Goldfinch	Carduelis carduelis	486	97.98	
121	Siskin	Spinus spinus	425	85.69	
122	Snow Bunting	Plectrophenax nivalis	244	49.19	
123	Yellowhammer	Emberiza citrinella	421	84.88	
124	Reed Bunting	Emberiza schoeniclus	463	93.35