Mike Dawson: Britain Year List 2019 BOU, All records: Top Blockers Record(s) 1 to 174 of 174 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	Egyptian Goose	Alopochen aegyptiaca	286	75.26	
9	Shelduck	Tadorna tadorna	358	94.21	
10	Mandarin Duck	Aix galericulata	263	69.21	
11	Shoveler	Spatula clypeata	358	94.21	
12	Gadwall	Mareca strepera	354	93.16	
13	Wigeon	Mareca penelope	361	95.00	
14	Mallard	Anas platyrhynchos	371	97.63	
15	Pintail	Anas acuta	322	84.74	
16	Teal	Anas crecca	363	95.53	
17	Pochard	Aythya ferina	339	89.21	
18	Tufted Duck	Aythya fuligula	362	95.26	
19	Scaup	Aythya marila	225	59.21	
20	Common Scoter	Melanitta nigra	277	72.89	
21	Goldeneye	Bucephala clangula	326	85.79	
22	Red-breasted Merganser	Mergus serrator	277	72.89	
23	Grey Partridge	Perdix perdix	245	64.47	
24	Pheasant	Phasianus colchicus	361	95.00	
25	Red-legged Partridge	Alectoris rufa	324	85.26	
26	Nightjar	Caprimulgus europaeus	147	38.68	
27	Swift	Apus apus	330	86.84	
28	Cuckoo	Cuculus canorus	290	76.32	
29	Stock Dove	Columba oenas	337	88.68	
30	Woodpigeon	Columba palumbus	372	97.89	
31	Turtle Dove	Streptopelia turtur	185	48.68	
32	Collared Dove	Streptopelia decaocto	360	94.74	
33	Water Rail	Rallus aquaticus	297	78.16	
34	Moorhen	Gallinula chloropus	366	96.32	
35	Coot	Fulica atra	363	95.53	
36	Crane	Grus grus	181	47.63	
37	Little Grebe	Tachybaptus ruficollis	352	92.63	
38	Great Crested Grebe	Podiceps cristatus	358	94.21	
39	Stone-curlew	Burhinus oedicnemus	129	33.95	
40	Oystercatcher	Haematopus ostralegus	354	93.16	
41	Avocet	Recurvirostra avosetta	320	84.21	
42	Grey Plover	Pluvialis squatarola	289	76.05	
43	Golden Plover	Pluvialis apricaria	314	82.63	
44	Ringed Plover	Charadrius hiaticula	331	87.11	
45	Little Ringed Plover	Charadrius dubius	284	74.74	
46	Lapwing	Vanellus vanellus	360	94.74	
47	Eurasian Whimbrel	Numenius phaeopus	261	68.68	
48	Curlew	Numenius arquata	357	93.95	
49	Bar-tailed Godwit	Limosa lapponica	286	75.26	
50	Black-tailed Godwit	Limosa limosa	341	89.74	
51	Jack Snipe	Lymnocryptes minimus	191	50.26	
52	Snipe	Gallinago gallinago	332	87.37	
53	Common Sandpiper	Actitis hypoleucos	301	79.21	
54	Green Sandpiper	Tringa ochropus	282	74.21	
55	Redshank	Tringa totanus	353	92.89	
56	Greenshank	Tringa nebularia	295	77.63	
57	Turnstone	Arenaria interpres	332	87.37	
58	Knot	Calidris canutus	290	76.32	
59	Ruff	Calidris pugnax	302	79.47	
60	Curlew Sandpiper	Calidris ferruginea	193	50.79	
61	Temminck's Stint	Calidris temminckii	112	29.47	
62	Sanderling	Calidris alba	289	76.05	
63	Dunlin	Calidris alpina	344	90.53	
64	Little Stint	Calidris minuta	153	40.26	
65	White-rumped Sandpiper	Calidris fuscicollis	90	23.68	
66	Little Tern	Sternula albifrons	220	57.89	
67	Common Tern	Sterna hirundo	311	81.84	
68	Sandwich Tern	Thalasseus sandvicensis	288	75.79	
69	Little Gull	Hydrocoloeus minutus	221	58.16	
70	Kittiwake	Rissa tridactyla	297	78.16	
71	Black-headed Gull	Chroicocephalus ridibundus	370	97.37	
72	Mediterranean Gull	Ichthyaetus melanocephalus	297	78.16	
73	Common Gull	Larus canus	341	89.74	
74	Herring Gull	Larus argentatus	365	96.05	
75	Great Black-backed Gull	Larus marinus	351	92.37	
76	Glaucous Gull	Larus hyperboreus	99	26.05	
77	Lesser Black-backed Gull	Larus fuscus	355	93.42	
78	Puffin	Fratercula arctica	219	57.63	
79	Razorbill	Alca torda	276	72.63	
80	Common Guillemot	Uria aalge	300	78.95	
81	Fulmar	Fulmarus glacialis	295	77.63	
82	Gannet	Morus bassanus	316	83.16	
83	Cormorant	Phalacrocorax carbo	366	96.32	
84	Shag	Gulosus aristotelis	286	75.26	
85	Spoonbill	Platalea leucorodia	260	68.42	
86	Bittern	Botaurus stellaris	212	55.79	
87	Little Egret	Egretta garzetta	357	93.95	
88	Great White Egret	Ardea alba	302	79.47	
89	Grey Heron	Ardea cinerea	363	95.53	
90	Sparrowhawk	Accipiter nisus	348	91.58	
91	Marsh Harrier	Circus aeruginosus	330	86.84	
92	Red Kite	Milvus milvus	343	90.26	
93	Rough-legged Buzzard	Buteo lagopus	122	32.11	
94	Buzzard	Buteo buteo	366	96.32	
95	Barn Owl	Tyto alba	296	77.89	
96	Little Owl	Athene noctua	219	57.63	
97	Long-eared Owl	Asio otus	121	31.84	
98	Short-eared Owl	Asio flammeus	236	62.11	
99	Tawny Owl	Strix aluco	291	76.58	
100	Kingfisher	Alcedo atthis	329	86.58	
101	Great Spotted Woodpecker	Dendrocopos major	355	93.42	
102	Green Woodpecker	Picus viridis	314	82.63	
103	Kestrel	Falco tinnunculus	356	93.68	
104	Merlin	Falco columbarius	236	62.11	
105	Hobby	Falco subbuteo	263	69.21	
106	Peregrine	Falco peregrinus	331	87.11	
107	Ring-necked Parakeet	Psittacula krameri	224	58.95	
108	Jay	Garrulus glandarius	356	93.68	
109	Magpie	Pica pica	369	97.11	
110	Jackdaw	Coloeus monedula	366	96.32	
111	Rook	Corvus frugilegus	362	95.26	
112	Carrion Crow	Corvus corone	370	97.37	
113	Raven	Corvus corax	321	84.47	
114	Coal Tit	Periparus ater	357	93.95	
115	Marsh Tit	Poecile palustris	286	75.26	
116	Blue Tit	Cyanistes caeruleus	371	97.63	
117	Great Tit	Parus major	372	97.89	
118	Bearded Tit	Panurus biarmicus	242	63.68	
119	Woodlark	Lullula arborea	162	42.63	
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	Yellow-browed Warbler	Phylloscopus inornatus	174	45.79	
127	Willow Warbler	Phylloscopus trochilus	321	84.47	
128	Chiffchaff	Phylloscopus collybita	343	90.26	
129	Sedge Warbler	Acrocephalus schoenobaenus	318	83.68	
130	Reed Warbler	Acrocephalus scirpaceus	316	83.16	
131	Grasshopper Warbler	Locustella naevia	188	49.47	
132	Blackcap	Sylvia atricapilla	338	88.95	
133	Garden Warbler	Sylvia borin	269	70.79	
134	Whitethroat	Curruca communis	324	85.26	
135	Dartford Warbler	Curruca undata	168	44.21	
136	Goldcrest	Regulus regulus	340	89.47	
137	Wren	Troglodytes troglodytes	364	95.79	
138	Nuthatch	Sitta europaea	336	88.42	
139	Treecreeper	Certhia familiaris	335	88.16	
140	Starling	Sturnus vulgaris	369	97.11	
141	Song Thrush	Turdus philomelos	361	95.00	
142	Mistle Thrush	Turdus viscivorus	338	88.95	
143	Redwing	Turdus iliacus	344	90.53	
144	Blackbird	Turdus merula	372	97.89	
145	Fieldfare	Turdus pilaris	331	87.11	
146	Black-throated Thrush	Turdus atrogularis	51	13.42	
147	Robin	Erithacus rubecula	366	96.32	
148	Whinchat	Saxicola rubetra	251	66.05	
149	Stonechat	Saxicola rubicola	344	90.53	
150	Wheatear	Oenanthe oenanthe	313	82.37	
151	Isabelline Wheatear	Oenanthe isabellina	61	16.05	
152	Eastern Black-eared Wheatear	Oenanthe melanoleuca	34	8.95	
153	Tree Sparrow	Passer montanus	281	73.95	
154	House Sparrow	Passer domesticus	368	96.84	
155	Dunnock	Prunella modularis	366	96.32	
156	Yellow Wagtail	Motacilla flava	277	72.89	
157	Eastern Yellow Wagtail	Motacilla tschutschensis	83	21.84	
158	Grey Wagtail	Motacilla cinerea	340	89.47	
159	Pied Wagtail	Motacilla alba	362	95.26	
160	Chaffinch	Fringilla coelebs	367	96.58	
161	Brambling	Fringilla montifringilla	282	74.21	
162	Hawfinch	Coccothraustes coccothraustes	168	44.21	
163	Bullfinch	Pyrrhula pyrrhula	344	90.53	
164	Greenfinch	Chloris chloris	355	93.42	
165	Twite	Linaria flavirostris	200	52.63	
166	Linnet	Linaria cannabina	348	91.58	
167	Common Redpoll	Acanthis flammea	133	35.00	
168	Lesser Redpoll	Acanthis cabaret	261	68.68	
169	Goldfinch	Carduelis carduelis	364	95.79	
170	Siskin	Spinus spinus	328	86.32	
171	Snow Bunting	Plectrophenax nivalis	215	56.58	
172	Corn Bunting	Emberiza calandra	233	61.32	
173	Yellowhammer	Emberiza citrinella	325	85.53	
174	Reed Bunting	Emberiza schoeniclus	352	92.63