Luisa Shield: Britain Year List 2023 BOU, All records: Top Blockers Record(s) 1 to 126 of 126 total.
Seq.	Species	Scientific Name	Seen By Other Listers	Other Listers (%)	
1	Canada Goose	Branta canadensis	487	98.19	
2	Greylag Goose	Anser anser	481	96.98	
3	Pink-footed Goose	Anser brachyrhynchus	399	80.44	
4	White-fronted Goose	Anser albifrons	299	60.28	
5	Mute Swan	Cygnus olor	490	98.79	
6	Whooper Swan	Cygnus cygnus	386	77.82	
7	Shelduck	Tadorna tadorna	477	96.17	
8	Mandarin Duck	Aix galericulata	346	69.76	
9	Shoveler	Spatula clypeata	468	94.35	
10	Gadwall	Mareca strepera	464	93.55	
11	Wigeon	Mareca penelope	472	95.16	
12	Mallard	Anas platyrhynchos	489	98.59	
13	Pintail	Anas acuta	435	87.70	
14	Teal	Anas crecca	478	96.37	
15	Pochard	Aythya ferina	455	91.73	
16	Ring-necked Duck	Aythya collaris	233	46.98	
17	Tufted Duck	Aythya fuligula	478	96.37	
18	Eider	Somateria mollissima	354	71.37	
19	Goldeneye	Bucephala clangula	432	87.10	
20	Goosander	Mergus merganser	434	87.50	
21	Red-breasted Merganser	Mergus serrator	364	73.39	
22	Pheasant	Phasianus colchicus	483	97.38	
23	Red-legged Partridge	Alectoris rufa	405	81.65	
24	Swift	Apus apus	443	89.31	
25	Rock Dove (Feral Pigeon)	Columba livia	417	84.07	
26	Stock Dove	Columba oenas	449	90.52	
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	Little Grebe	Tachybaptus ruficollis	466	93.95	
33	Great Crested Grebe	Podiceps cristatus	467	94.15	
34	Oystercatcher	Haematopus ostralegus	471	94.96	
35	Avocet	Recurvirostra avosetta	432	87.10	
36	Golden Plover	Pluvialis apricaria	421	84.88	
37	Ringed Plover	Charadrius hiaticula	443	89.31	
38	Lapwing	Vanellus vanellus	479	96.57	
39	Curlew	Numenius arquata	465	93.75	
40	Bar-tailed Godwit	Limosa lapponica	376	75.81	
41	Black-tailed Godwit	Limosa limosa	444	89.52	
42	Woodcock	Scolopax rusticola	321	64.72	
43	Snipe	Gallinago gallinago	446	89.92	
44	Common Sandpiper	Actitis hypoleucos	408	82.26	
45	Redshank	Tringa totanus	470	94.76	
46	Greenshank	Tringa nebularia	375	75.60	
47	Turnstone	Arenaria interpres	434	87.50	
48	Dunlin	Calidris alpina	452	91.13	
49	Black-headed Gull	Chroicocephalus ridibundus	485	97.78	
50	Common Gull	Larus canus	461	92.94	
51	Herring Gull	Larus argentatus	483	97.38	
52	Great Black-backed Gull	Larus marinus	453	91.33	
53	Lesser Black-backed Gull	Larus fuscus	462	93.15	
54	Cormorant	Phalacrocorax carbo	485	97.78	
55	Spoonbill	Platalea leucorodia	349	70.36	
56	Bittern	Botaurus stellaris	293	59.07	
57	Little Egret	Egretta garzetta	473	95.36	
58	Cattle Egret	Bubulcus ibis	337	67.94	
59	Great White Egret	Ardea alba	428	86.29	
60	Grey Heron	Ardea cinerea	484	97.58	
61	Sparrowhawk	Accipiter nisus	469	94.56	
62	Marsh Harrier	Circus aeruginosus	441	88.91	
63	Red Kite	Milvus milvus	468	94.35	
64	Buzzard	Buteo buteo	487	98.19	
65	Barn Owl	Tyto alba	413	83.27	
66	Tawny Owl	Strix aluco	384	77.42	
67	Kingfisher	Alcedo atthis	433	87.30	
68	Great Spotted Woodpecker	Dendrocopos major	467	94.15	
69	Kestrel	Falco tinnunculus	486	97.98	
70	Merlin	Falco columbarius	280	56.45	
71	Peregrine	Falco peregrinus	427	86.09	
72	Ring-necked Parakeet	Psittacula krameri	326	65.73	
73	Jay	Garrulus glandarius	470	94.76	
74	Magpie	Pica pica	490	98.79	
75	Jackdaw	Coloeus monedula	488	98.39	
76	Rook	Corvus frugilegus	476	95.97	
77	Carrion Crow	Corvus corone	489	98.59	
78	Raven	Corvus corax	430	86.69	
79	Waxwing	Bombycilla garrulus	299	60.28	
80	Coal Tit	Periparus ater	468	94.35	
81	Marsh Tit	Poecile palustris	336	67.74	
82	Willow Tit	Poecile montanus	177	35.69	
83	Blue Tit	Cyanistes caeruleus	488	98.39	
84	Great Tit	Parus major	487	98.19	
85	Bearded Tit	Panurus biarmicus	291	58.67	
86	Skylark	Alauda arvensis	469	94.56	
87	Sand Martin	Riparia riparia	443	89.31	
88	Swallow	Hirundo rustica	453	91.33	
89	House Martin	Delichon urbicum	444	89.52	
90	Cetti's Warbler	Cettia cetti	419	84.48	
91	Long-tailed Tit	Aegithalos caudatus	483	97.38	
92	Willow Warbler	Phylloscopus trochilus	425	85.69	
93	Chiffchaff	Phylloscopus collybita	465	93.75	
94	Sedge Warbler	Acrocephalus schoenobaenus	411	82.86	
95	Blackcap	Sylvia atricapilla	457	92.14	
96	Lesser Whitethroat	Curruca curruca	324	65.32	
97	Whitethroat	Curruca communis	428	86.29	
98	Goldcrest	Regulus regulus	458	92.34	
99	Wren	Troglodytes troglodytes	486	97.98	
100	Nuthatch	Sitta europaea	447	90.12	
101	Treecreeper	Certhia familiaris	438	88.31	
102	Starling	Sturnus vulgaris	487	98.19	
103	Song Thrush	Turdus philomelos	472	95.16	
104	Mistle Thrush	Turdus viscivorus	452	91.13	
105	Redwing	Turdus iliacus	467	94.15	
106	Blackbird	Turdus merula	490	98.79	
107	Fieldfare	Turdus pilaris	453	91.33	
108	Robin	Erithacus rubecula	485	97.78	
109	Redstart	Phoenicurus phoenicurus	314	63.31	
110	Stonechat	Saxicola rubicola	459	92.54	
111	Wheatear	Oenanthe oenanthe	413	83.27	
112	Dipper	Cinclus cinclus	330	66.53	
113	Tree Sparrow	Passer montanus	329	66.33	
114	House Sparrow	Passer domesticus	488	98.39	
115	Dunnock	Prunella modularis	481	96.98	
116	Grey Wagtail	Motacilla cinerea	451	90.93	
117	Pied Wagtail	Motacilla alba	479	96.57	
118	Meadow Pipit	Anthus pratensis	467	94.15	
119	Rock Pipit	Anthus petrosus	381	76.81	
120	Chaffinch	Fringilla coelebs	484	97.58	
121	Bullfinch	Pyrrhula pyrrhula	435	87.70	
122	Greenfinch	Chloris chloris	471	94.96	
123	Linnet	Linaria cannabina	458	92.34	
124	Goldfinch	Carduelis carduelis	486	97.98	
125	Siskin	Spinus spinus	425	85.69	
126	Reed Bunting	Emberiza schoeniclus	463	93.35