Clive Woodward: Britain Year List 2020 BOU, All records: Top Blockers Record(s) 1 to 125 of 125 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	Tundra Bean Goose	Anser serrirostris	161	39.17	
6	White-fronted Goose	Anser albifrons	253	61.56	
7	Mute Swan	Cygnus olor	399	97.08	
8	Egyptian Goose	Alopochen aegyptiaca	304	73.97	
9	Shelduck	Tadorna tadorna	382	92.94	
10	Shoveler	Spatula clypeata	379	92.21	
11	Gadwall	Mareca strepera	381	92.70	
12	Wigeon	Mareca penelope	387	94.16	
13	Mallard	Anas platyrhynchos	401	97.57	
14	Pintail	Anas acuta	340	82.73	
15	Teal	Anas crecca	386	93.92	
16	Pochard	Aythya ferina	365	88.81	
17	Tufted Duck	Aythya fuligula	395	96.11	
18	Pheasant	Phasianus colchicus	393	95.62	
19	Swift	Apus apus	352	85.64	
20	Cuckoo	Cuculus canorus	273	66.42	
21	Stock Dove	Columba oenas	362	88.08	
22	Woodpigeon	Columba palumbus	402	97.81	
23	Collared Dove	Streptopelia decaocto	391	95.13	
24	Water Rail	Rallus aquaticus	289	70.32	
25	Moorhen	Gallinula chloropus	397	96.59	
26	Coot	Fulica atra	396	96.35	
27	Little Grebe	Tachybaptus ruficollis	377	91.73	
28	Great Crested Grebe	Podiceps cristatus	378	91.97	
29	Black-necked Grebe	Podiceps nigricollis	207	50.36	
30	Oystercatcher	Haematopus ostralegus	380	92.46	
31	Avocet	Recurvirostra avosetta	313	76.16	
32	Grey Plover	Pluvialis squatarola	300	72.99	
33	Golden Plover	Pluvialis apricaria	335	81.51	
34	Ringed Plover	Charadrius hiaticula	334	81.27	
35	Little Ringed Plover	Charadrius dubius	252	61.31	
36	Lapwing	Vanellus vanellus	394	95.86	
37	Eurasian Whimbrel	Numenius phaeopus	237	57.66	
38	Curlew	Numenius arquata	374	91.00	
39	Black-tailed Godwit	Limosa limosa	357	86.86	
40	Woodcock	Scolopax rusticola	245	59.61	
41	Snipe	Gallinago gallinago	350	85.16	
42	Common Sandpiper	Actitis hypoleucos	307	74.70	
43	Green Sandpiper	Tringa ochropus	288	70.07	
44	Redshank	Tringa totanus	372	90.51	
45	Spotted Redshank	Tringa erythropus	237	57.66	
46	Greenshank	Tringa nebularia	304	73.97	
47	Turnstone	Arenaria interpres	345	83.94	
48	Knot	Calidris canutus	301	73.24	
49	Ruff	Calidris pugnax	300	72.99	
50	Curlew Sandpiper	Calidris ferruginea	229	55.72	
51	Dunlin	Calidris alpina	357	86.86	
52	Little Stint	Calidris minuta	194	47.20	
53	Common Tern	Sterna hirundo	322	78.35	
54	Black-headed Gull	Chroicocephalus ridibundus	394	95.86	
55	Mediterranean Gull	Ichthyaetus melanocephalus	310	75.43	
56	Common Gull	Larus canus	367	89.29	
57	Herring Gull	Larus argentatus	389	94.65	
58	Great Black-backed Gull	Larus marinus	374	91.00	
59	Lesser Black-backed Gull	Larus fuscus	374	91.00	
60	White Stork	Ciconia ciconia	23	5.60	
61	Cormorant	Phalacrocorax carbo	393	95.62	
62	Spoonbill	Platalea leucorodia	246	59.85	
63	Little Egret	Egretta garzetta	388	94.40	
64	Cattle Egret	Bubulcus ibis	251	61.07	
65	Great White Egret	Ardea alba	337	82.00	
66	Grey Heron	Ardea cinerea	393	95.62	
67	Sparrowhawk	Accipiter nisus	384	93.43	
68	Marsh Harrier	Circus aeruginosus	349	84.91	
69	Buzzard	Buteo buteo	391	95.13	
70	Barn Owl	Tyto alba	336	81.75	
71	Long-eared Owl	Asio otus	128	31.14	
72	Kingfisher	Alcedo atthis	358	87.10	
73	Great Spotted Woodpecker	Dendrocopos major	382	92.94	
74	Green Woodpecker	Picus viridis	340	82.73	
75	Kestrel	Falco tinnunculus	394	95.86	
76	Hobby	Falco subbuteo	278	67.64	
77	Peregrine	Falco peregrinus	346	84.18	
78	Jay	Garrulus glandarius	376	91.48	
79	Magpie	Pica pica	399	97.08	
80	Jackdaw	Coloeus monedula	393	95.62	
81	Rook	Corvus frugilegus	388	94.40	
82	Carrion Crow	Corvus corone	398	96.84	
83	Blue Tit	Cyanistes caeruleus	398	96.84	
84	Great Tit	Parus major	398	96.84	
85	Bearded Tit	Panurus biarmicus	210	51.09	
86	Skylark	Alauda arvensis	369	89.78	
87	Sand Martin	Riparia riparia	339	82.48	
88	Swallow	Hirundo rustica	368	89.54	
89	House Martin	Delichon urbicum	352	85.64	
90	Cetti's Warbler	Cettia cetti	313	76.16	
91	Long-tailed Tit	Aegithalos caudatus	392	95.38	
92	Willow Warbler	Phylloscopus trochilus	333	81.02	
93	Chiffchaff	Phylloscopus collybita	373	90.75	
94	Sedge Warbler	Acrocephalus schoenobaenus	312	75.91	
95	Reed Warbler	Acrocephalus scirpaceus	301	73.24	
96	Grasshopper Warbler	Locustella naevia	177	43.07	
97	Blackcap	Sylvia atricapilla	356	86.62	
98	Lesser Whitethroat	Curruca curruca	265	64.48	
99	Whitethroat	Curruca communis	333	81.02	
100	Goldcrest	Regulus regulus	368	89.54	
101	Wren	Troglodytes troglodytes	395	96.11	
102	Starling	Sturnus vulgaris	397	96.59	
103	Song Thrush	Turdus philomelos	389	94.65	
104	Redwing	Turdus iliacus	384	93.43	
105	Blackbird	Turdus merula	397	96.59	
106	Fieldfare	Turdus pilaris	361	87.83	
107	Robin	Erithacus rubecula	398	96.84	
108	Whinchat	Saxicola rubetra	251	61.07	
109	Stonechat	Saxicola rubicola	375	91.24	
110	Wheatear	Oenanthe oenanthe	314	76.40	
111	House Sparrow	Passer domesticus	396	96.35	
112	Dunnock	Prunella modularis	394	95.86	
113	Yellow Wagtail	Motacilla flava	268	65.21	
114	Grey Wagtail	Motacilla cinerea	359	87.35	
115	Pied Wagtail	Motacilla alba	395	96.11	
116	Meadow Pipit	Anthus pratensis	373	90.75	
117	Water Pipit	Anthus spinoletta	172	41.85	
118	Chaffinch	Fringilla coelebs	397	96.59	
119	Greenfinch	Chloris chloris	377	91.73	
120	Linnet	Linaria cannabina	368	89.54	
121	Lesser Redpoll	Acanthis cabaret	263	63.99	
122	Goldfinch	Carduelis carduelis	393	95.62	
123	Corn Bunting	Emberiza calandra	216	52.55	
124	Yellowhammer	Emberiza citrinella	349	84.91	
125	Reed Bunting	Emberiza schoeniclus	377	91.73