Barry Burton: Britain Year List 2019 BOU, All records: Top Blockers Record(s) 1 to 167 of 167 total.
Seq.	Species	Scientific Name	Seen By Other Listers	Other Listers (%)	
1	Brent Goose	Branta bernicla	294	77.37	
2	Canada Goose	Branta canadensis	365	96.05	
3	Barnacle Goose	Branta leucopsis	280	73.68	
4	Greylag Goose	Anser anser	361	95.00	
5	Pink-footed Goose	Anser brachyrhynchus	292	76.84	
6	White-fronted Goose	Anser albifrons	208	54.74	
7	Mute Swan	Cygnus olor	370	97.37	
8	Bewick's Swan	Cygnus columbianus	186	48.95	
9	Whooper Swan	Cygnus cygnus	284	74.74	
10	Egyptian Goose	Alopochen aegyptiaca	286	75.26	
11	Shelduck	Tadorna tadorna	358	94.21	
12	Garganey	Spatula querquedula	255	67.11	
13	Shoveler	Spatula clypeata	358	94.21	
14	Gadwall	Mareca strepera	354	93.16	
15	Wigeon	Mareca penelope	361	95.00	
16	Mallard	Anas platyrhynchos	371	97.63	
17	Pintail	Anas acuta	322	84.74	
18	Teal	Anas crecca	363	95.53	
19	Green-winged Teal	Anas carolinensis	131	34.47	
20	Pochard	Aythya ferina	339	89.21	
21	Tufted Duck	Aythya fuligula	362	95.26	
22	Scaup	Aythya marila	225	59.21	
23	Eider	Somateria mollissima	275	72.37	
24	Velvet Scoter	Melanitta fusca	152	40.00	
25	Common Scoter	Melanitta nigra	277	72.89	
26	Long-tailed Duck	Clangula hyemalis	245	64.47	
27	Goldeneye	Bucephala clangula	326	85.79	
28	Red-breasted Merganser	Mergus serrator	277	72.89	
29	Grey Partridge	Perdix perdix	245	64.47	
30	Pheasant	Phasianus colchicus	361	95.00	
31	Red-legged Partridge	Alectoris rufa	324	85.26	
32	Swift	Apus apus	330	86.84	
33	Cuckoo	Cuculus canorus	290	76.32	
34	Stock Dove	Columba oenas	337	88.68	
35	Woodpigeon	Columba palumbus	372	97.89	
36	Turtle Dove	Streptopelia turtur	185	48.68	
37	Collared Dove	Streptopelia decaocto	360	94.74	
38	Water Rail	Rallus aquaticus	297	78.16	
39	Moorhen	Gallinula chloropus	366	96.32	
40	Coot	Fulica atra	363	95.53	
41	Little Grebe	Tachybaptus ruficollis	352	92.63	
42	Great Crested Grebe	Podiceps cristatus	358	94.21	
43	Oystercatcher	Haematopus ostralegus	354	93.16	
44	Avocet	Recurvirostra avosetta	320	84.21	
45	Grey Plover	Pluvialis squatarola	289	76.05	
46	Golden Plover	Pluvialis apricaria	314	82.63	
47	Ringed Plover	Charadrius hiaticula	331	87.11	
48	Little Ringed Plover	Charadrius dubius	284	74.74	
49	Lapwing	Vanellus vanellus	360	94.74	
50	Eurasian Whimbrel	Numenius phaeopus	261	68.68	
51	Curlew	Numenius arquata	357	93.95	
52	Bar-tailed Godwit	Limosa lapponica	286	75.26	
53	Black-tailed Godwit	Limosa limosa	341	89.74	
54	Snipe	Gallinago gallinago	332	87.37	
55	Common Sandpiper	Actitis hypoleucos	301	79.21	
56	Green Sandpiper	Tringa ochropus	282	74.21	
57	Wood Sandpiper	Tringa glareola	220	57.89	
58	Redshank	Tringa totanus	353	92.89	
59	Spotted Redshank	Tringa erythropus	241	63.42	
60	Greenshank	Tringa nebularia	295	77.63	
61	Turnstone	Arenaria interpres	332	87.37	
62	Knot	Calidris canutus	290	76.32	
63	Ruff	Calidris pugnax	302	79.47	
64	Curlew Sandpiper	Calidris ferruginea	193	50.79	
65	Temminck's Stint	Calidris temminckii	112	29.47	
66	Sanderling	Calidris alba	289	76.05	
67	Dunlin	Calidris alpina	344	90.53	
68	Little Stint	Calidris minuta	153	40.26	
69	Little Tern	Sternula albifrons	220	57.89	
70	Arctic Tern	Sterna paradisaea	233	61.32	
71	Common Tern	Sterna hirundo	311	81.84	
72	Sandwich Tern	Thalasseus sandvicensis	288	75.79	
73	Little Gull	Hydrocoloeus minutus	221	58.16	
74	Kittiwake	Rissa tridactyla	297	78.16	
75	Black-headed Gull	Chroicocephalus ridibundus	370	97.37	
76	Mediterranean Gull	Ichthyaetus melanocephalus	297	78.16	
77	Common Gull	Larus canus	341	89.74	
78	Herring Gull	Larus argentatus	365	96.05	
79	Great Black-backed Gull	Larus marinus	351	92.37	
80	Glaucous Gull	Larus hyperboreus	99	26.05	
81	Lesser Black-backed Gull	Larus fuscus	355	93.42	
82	Arctic Skua	Stercorarius parasiticus	174	45.79	
83	Pomarine Skua	Stercorarius pomarinus	97	25.53	
84	Great Skua	Stercorarius skua	192	50.53	
85	Razorbill	Alca torda	276	72.63	
86	Little Auk	Alle alle	58	15.26	
87	Common Guillemot	Uria aalge	300	78.95	
88	Red-throated Diver	Gavia stellata	275	72.37	
89	Fulmar	Fulmarus glacialis	295	77.63	
90	Manx Shearwater	Puffinus puffinus	198	52.11	
91	Balearic Shearwater	Puffinus mauretanicus	64	16.84	
92	Gannet	Morus bassanus	316	83.16	
93	Cormorant	Phalacrocorax carbo	366	96.32	
94	Spoonbill	Platalea leucorodia	260	68.42	
95	Bittern	Botaurus stellaris	212	55.79	
96	Little Egret	Egretta garzetta	357	93.95	
97	Cattle Egret	Bubulcus ibis	242	63.68	
98	Great White Egret	Ardea alba	302	79.47	
99	Grey Heron	Ardea cinerea	363	95.53	
100	Sparrowhawk	Accipiter nisus	348	91.58	
101	Marsh Harrier	Circus aeruginosus	330	86.84	
102	Hen Harrier	Circus cyaneus	219	57.63	
103	Red Kite	Milvus milvus	343	90.26	
104	Buzzard	Buteo buteo	366	96.32	
105	Barn Owl	Tyto alba	296	77.89	
106	Tawny Owl	Strix aluco	291	76.58	
107	Great Spotted Woodpecker	Dendrocopos major	355	93.42	
108	Green Woodpecker	Picus viridis	314	82.63	
109	Kestrel	Falco tinnunculus	356	93.68	
110	Peregrine	Falco peregrinus	331	87.11	
111	Jay	Garrulus glandarius	356	93.68	
112	Magpie	Pica pica	369	97.11	
113	Jackdaw	Coloeus monedula	366	96.32	
114	Rook	Corvus frugilegus	362	95.26	
115	Carrion Crow	Corvus corone	370	97.37	
116	Coal Tit	Periparus ater	357	93.95	
117	Blue Tit	Cyanistes caeruleus	371	97.63	
118	Great Tit	Parus major	372	97.89	
119	Bearded Tit	Panurus biarmicus	242	63.68	
120	Skylark	Alauda arvensis	347	91.32	
121	Sand Martin	Riparia riparia	332	87.37	
122	Swallow	Hirundo rustica	341	89.74	
123	House Martin	Delichon urbicum	334	87.89	
124	Cetti's Warbler	Cettia cetti	299	78.68	
125	Long-tailed Tit	Aegithalos caudatus	360	94.74	
126	Willow Warbler	Phylloscopus trochilus	321	84.47	
127	Chiffchaff	Phylloscopus collybita	343	90.26	
128	Sedge Warbler	Acrocephalus schoenobaenus	318	83.68	
129	Reed Warbler	Acrocephalus scirpaceus	316	83.16	
130	Grasshopper Warbler	Locustella naevia	188	49.47	
131	Blackcap	Sylvia atricapilla	338	88.95	
132	Garden Warbler	Sylvia borin	269	70.79	
133	Lesser Whitethroat	Curruca curruca	260	68.42	
134	Whitethroat	Curruca communis	324	85.26	
135	Goldcrest	Regulus regulus	340	89.47	
136	Wren	Troglodytes troglodytes	364	95.79	
137	Nuthatch	Sitta europaea	336	88.42	
138	Starling	Sturnus vulgaris	369	97.11	
139	Song Thrush	Turdus philomelos	361	95.00	
140	Mistle Thrush	Turdus viscivorus	338	88.95	
141	Blackbird	Turdus merula	372	97.89	
142	Fieldfare	Turdus pilaris	331	87.11	
143	Ring Ouzel	Turdus torquatus	212	55.79	
144	Robin	Erithacus rubecula	366	96.32	
145	Whinchat	Saxicola rubetra	251	66.05	
146	Stonechat	Saxicola rubicola	344	90.53	
147	Wheatear	Oenanthe oenanthe	313	82.37	
148	Tree Sparrow	Passer montanus	281	73.95	
149	House Sparrow	Passer domesticus	368	96.84	
150	Dunnock	Prunella modularis	366	96.32	
151	Yellow Wagtail	Motacilla flava	277	72.89	
152	Grey Wagtail	Motacilla cinerea	340	89.47	
153	Pied Wagtail	Motacilla alba	362	95.26	
154	Meadow Pipit	Anthus pratensis	343	90.26	
155	Chaffinch	Fringilla coelebs	367	96.58	
156	Brambling	Fringilla montifringilla	282	74.21	
157	Bullfinch	Pyrrhula pyrrhula	344	90.53	
158	Greenfinch	Chloris chloris	355	93.42	
159	Twite	Linaria flavirostris	200	52.63	
160	Linnet	Linaria cannabina	348	91.58	
161	Lesser Redpoll	Acanthis cabaret	261	68.68	
162	Goldfinch	Carduelis carduelis	364	95.79	
163	Siskin	Spinus spinus	328	86.32	
164	Lapland Bunting	Calcarius lapponicus	76	20.00	
165	Snow Bunting	Plectrophenax nivalis	215	56.58	
166	Yellowhammer	Emberiza citrinella	325	85.53	
167	Reed Bunting	Emberiza schoeniclus	352	92.63