Thomas McCabe: Britain Year List 2023 BOU, All records: Top Blockers Record(s) 1 to 81 of 81 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	Mute Swan	Cygnus olor	490	98.79	
4	Egyptian Goose	Alopochen aegyptiaca	391	78.83	
5	Shelduck	Tadorna tadorna	477	96.17	
6	Shoveler	Spatula clypeata	468	94.35	
7	Gadwall	Mareca strepera	464	93.55	
8	Wigeon	Mareca penelope	472	95.16	
9	Mallard	Anas platyrhynchos	489	98.59	
10	Teal	Anas crecca	478	96.37	
11	Pochard	Aythya ferina	455	91.73	
12	Tufted Duck	Aythya fuligula	478	96.37	
13	Goldeneye	Bucephala clangula	432	87.10	
14	Red-breasted Merganser	Mergus serrator	364	73.39	
15	Pheasant	Phasianus colchicus	483	97.38	
16	Red-legged Partridge	Alectoris rufa	405	81.65	
17	Rock Dove (Feral Pigeon)	Columba livia	417	84.07	
18	Woodpigeon	Columba palumbus	490	98.79	
19	Collared Dove	Streptopelia decaocto	484	97.58	
20	Moorhen	Gallinula chloropus	488	98.39	
21	Coot	Fulica atra	483	97.38	
22	Great Crested Grebe	Podiceps cristatus	467	94.15	
23	Oystercatcher	Haematopus ostralegus	471	94.96	
24	Black-winged Stilt	Himantopus himantopus	225	45.36	
25	Golden Plover	Pluvialis apricaria	421	84.88	
26	Lapwing	Vanellus vanellus	479	96.57	
27	Black-tailed Godwit	Limosa limosa	444	89.52	
28	Snipe	Gallinago gallinago	446	89.92	
29	Turnstone	Arenaria interpres	433	87.30	
30	Dunlin	Calidris alpina	452	91.13	
31	Common Tern	Sterna hirundo	406	81.85	
32	Black-headed Gull	Chroicocephalus ridibundus	485	97.78	
33	Mediterranean Gull	Ichthyaetus melanocephalus	385	77.62	
34	Common Gull	Larus canus	461	92.94	
35	Herring Gull	Larus argentatus	483	97.38	
36	Great Black-backed Gull	Larus marinus	454	91.53	
37	Cormorant	Phalacrocorax carbo	485	97.78	
38	Spoonbill	Platalea leucorodia	348	70.16	
39	Little Egret	Egretta garzetta	473	95.36	
40	Great White Egret	Ardea alba	428	86.29	
41	Grey Heron	Ardea cinerea	484	97.58	
42	Sparrowhawk	Accipiter nisus	469	94.56	
43	Marsh Harrier	Circus aeruginosus	440	88.71	
44	Red Kite	Milvus milvus	467	94.15	
45	Buzzard	Buteo buteo	487	98.19	
46	Kingfisher	Alcedo atthis	433	87.30	
47	Green Woodpecker	Picus viridis	406	81.85	
48	Kestrel	Falco tinnunculus	486	97.98	
49	Jay	Garrulus glandarius	470	94.76	
50	Magpie	Pica pica	490	98.79	
51	Jackdaw	Coloeus monedula	488	98.39	
52	Rook	Corvus frugilegus	476	95.97	
53	Carrion Crow	Corvus corone	489	98.59	
54	Blue Tit	Cyanistes caeruleus	488	98.39	
55	Great Tit	Parus major	487	98.19	
56	Bearded Tit	Panurus biarmicus	291	58.67	
57	Skylark	Alauda arvensis	469	94.56	
58	Sand Martin	Riparia riparia	443	89.31	
59	Swallow	Hirundo rustica	453	91.33	
60	Long-tailed Tit	Aegithalos caudatus	483	97.38	
61	Willow Warbler	Phylloscopus trochilus	425	85.69	
62	Blackcap	Sylvia atricapilla	457	92.14	
63	Goldcrest	Regulus regulus	458	92.34	
64	Wren	Troglodytes troglodytes	486	97.98	
65	Starling	Sturnus vulgaris	487	98.19	
66	Song Thrush	Turdus philomelos	472	95.16	
67	Blackbird	Turdus merula	490	98.79	
68	Robin	Erithacus rubecula	485	97.78	
69	Black Redstart	Phoenicurus ochruros	245	49.40	
70	Stonechat	Saxicola rubicola	459	92.54	
71	Wheatear	Oenanthe oenanthe	413	83.27	
72	House Sparrow	Passer domesticus	488	98.39	
73	Dunnock	Prunella modularis	481	96.98	
74	Grey Wagtail	Motacilla cinerea	451	90.93	
75	Pied Wagtail	Motacilla alba	478	96.37	
76	Meadow Pipit	Anthus pratensis	467	94.15	
77	Rock Pipit	Anthus petrosus	381	76.81	
78	Chaffinch	Fringilla coelebs	484	97.58	
79	Linnet	Linaria cannabina	458	92.34	
80	Goldfinch	Carduelis carduelis	486	97.98	
81	Yellowhammer	Emberiza citrinella	421	84.88