David Rose: Britain Year List 2019 BOU, All records: Top Blockers Record(s) 1 to 220 of 220 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	Tundra Bean Goose	Anser serrirostris	106	27.89	
7	White-fronted Goose	Anser albifrons	208	54.74	
8	Mute Swan	Cygnus olor	370	97.37	
9	Bewick's Swan	Cygnus columbianus	186	48.95	
10	Whooper Swan	Cygnus cygnus	284	74.74	
11	Egyptian Goose	Alopochen aegyptiaca	286	75.26	
12	Shelduck	Tadorna tadorna	358	94.21	
13	Garganey	Spatula querquedula	255	67.11	
14	Shoveler	Spatula clypeata	358	94.21	
15	Gadwall	Mareca strepera	354	93.16	
16	Wigeon	Mareca penelope	361	95.00	
17	Mallard	Anas platyrhynchos	371	97.63	
18	Pintail	Anas acuta	322	84.74	
19	Teal	Anas crecca	363	95.53	
20	Red-crested Pochard	Netta rufina	195	51.32	
21	Pochard	Aythya ferina	339	89.21	
22	Ferruginous Duck	Aythya nyroca	96	25.26	
23	Ring-necked Duck	Aythya collaris	160	42.11	
24	Tufted Duck	Aythya fuligula	362	95.26	
25	Eider	Somateria mollissima	275	72.37	
26	Common Scoter	Melanitta nigra	277	72.89	
27	Long-tailed Duck	Clangula hyemalis	245	64.47	
28	Goldeneye	Bucephala clangula	326	85.79	
29	Smew	Mergellus albellus	188	49.47	
30	Goosander	Mergus merganser	327	86.05	
31	Red-breasted Merganser	Mergus serrator	277	72.89	
32	Grey Partridge	Perdix perdix	245	64.47	
33	Pheasant	Phasianus colchicus	361	95.00	
34	Red-legged Partridge	Alectoris rufa	324	85.26	
35	Nightjar	Caprimulgus europaeus	147	38.68	
36	Swift	Apus apus	330	86.84	
37	Cuckoo	Cuculus canorus	290	76.32	
38	Stock Dove	Columba oenas	337	88.68	
39	Woodpigeon	Columba palumbus	372	97.89	
40	Turtle Dove	Streptopelia turtur	185	48.68	
41	Collared Dove	Streptopelia decaocto	360	94.74	
42	Water Rail	Rallus aquaticus	297	78.16	
43	Moorhen	Gallinula chloropus	366	96.32	
44	Coot	Fulica atra	363	95.53	
45	Crane	Grus grus	181	47.63	
46	Little Grebe	Tachybaptus ruficollis	352	92.63	
47	Red-necked Grebe	Podiceps grisegena	156	41.05	
48	Great Crested Grebe	Podiceps cristatus	358	94.21	
49	Slavonian Grebe	Podiceps auritus	217	57.11	
50	Black-necked Grebe	Podiceps nigricollis	234	61.58	
51	Oystercatcher	Haematopus ostralegus	354	93.16	
52	Avocet	Recurvirostra avosetta	320	84.21	
53	Grey Plover	Pluvialis squatarola	289	76.05	
54	Golden Plover	Pluvialis apricaria	314	82.63	
55	American Golden Plover	Pluvialis dominica	54	14.21	
56	Ringed Plover	Charadrius hiaticula	331	87.11	
57	Little Ringed Plover	Charadrius dubius	284	74.74	
58	Lapwing	Vanellus vanellus	360	94.74	
59	Eurasian Whimbrel	Numenius phaeopus	261	68.68	
60	Curlew	Numenius arquata	357	93.95	
61	Bar-tailed Godwit	Limosa lapponica	286	75.26	
62	Black-tailed Godwit	Limosa limosa	341	89.74	
63	Woodcock	Scolopax rusticola	216	56.84	
64	Snipe	Gallinago gallinago	332	87.37	
65	Grey Phalarope	Phalaropus fulicarius	84	22.11	
66	Common Sandpiper	Actitis hypoleucos	301	79.21	
67	Green Sandpiper	Tringa ochropus	282	74.21	
68	Marsh Sandpiper	Tringa stagnatilis	25	6.58	
69	Wood Sandpiper	Tringa glareola	220	57.89	
70	Redshank	Tringa totanus	353	92.89	
71	Lesser Yellowlegs	Tringa flavipes	95	25.00	
72	Spotted Redshank	Tringa erythropus	241	63.42	
73	Greenshank	Tringa nebularia	295	77.63	
74	Turnstone	Arenaria interpres	332	87.37	
75	Knot	Calidris canutus	290	76.32	
76	Ruff	Calidris pugnax	302	79.47	
77	Curlew Sandpiper	Calidris ferruginea	193	50.79	
78	Sanderling	Calidris alba	289	76.05	
79	Dunlin	Calidris alpina	344	90.53	
80	Purple Sandpiper	Calidris maritima	215	56.58	
81	Little Stint	Calidris minuta	153	40.26	
82	Pectoral Sandpiper	Calidris melanotos	70	18.42	
83	Little Tern	Sternula albifrons	220	57.89	
84	Whiskered Tern	Chlidonias hybrida	5	1.32	
85	Black Tern	Chlidonias niger	190	50.00	
86	Arctic Tern	Sterna paradisaea	233	61.32	
87	Common Tern	Sterna hirundo	311	81.84	
88	Sandwich Tern	Thalasseus sandvicensis	288	75.79	
89	Little Gull	Hydrocoloeus minutus	221	58.16	
90	Kittiwake	Rissa tridactyla	297	78.16	
91	Sabine's Gull	Xema sabini	34	8.95	
92	Bonaparte's Gull	Chroicocephalus philadelphia	52	13.68	
93	Black-headed Gull	Chroicocephalus ridibundus	370	97.37	
94	Mediterranean Gull	Ichthyaetus melanocephalus	297	78.16	
95	Common Gull	Larus canus	341	89.74	
96	Caspian Gull	Larus cachinnans	134	35.26	
97	Herring Gull	Larus argentatus	365	96.05	
98	Yellow-legged Gull	Larus michahellis	175	46.05	
99	Great Black-backed Gull	Larus marinus	351	92.37	
100	Lesser Black-backed Gull	Larus fuscus	355	93.42	
101	Arctic Skua	Stercorarius parasiticus	174	45.79	
102	Pomarine Skua	Stercorarius pomarinus	97	25.53	
103	Razorbill	Alca torda	276	72.63	
104	Common Guillemot	Uria aalge	300	78.95	
105	Red-throated Diver	Gavia stellata	275	72.37	
106	Black-throated Diver	Gavia arctica	172	45.26	
107	Fulmar	Fulmarus glacialis	295	77.63	
108	Balearic Shearwater	Puffinus mauretanicus	64	16.84	
109	Gannet	Morus bassanus	316	83.16	
110	Cormorant	Phalacrocorax carbo	366	96.32	
111	Shag	Gulosus aristotelis	286	75.26	
112	Glossy Ibis	Plegadis falcinellus	109	28.68	
113	Spoonbill	Platalea leucorodia	260	68.42	
114	Bittern	Botaurus stellaris	212	55.79	
115	Little Egret	Egretta garzetta	357	93.95	
116	Cattle Egret	Bubulcus ibis	242	63.68	
117	Great White Egret	Ardea alba	302	79.47	
118	Grey Heron	Ardea cinerea	363	95.53	
119	Osprey	Pandion haliaetus	239	62.89	
120	Honey-buzzard	Pernis apivorus	88	23.16	
121	Sparrowhawk	Accipiter nisus	348	91.58	
122	Goshawk	Accipiter gentilis	183	48.16	
123	Marsh Harrier	Circus aeruginosus	330	86.84	
124	Hen Harrier	Circus cyaneus	219	57.63	
125	Red Kite	Milvus milvus	343	90.26	
126	Rough-legged Buzzard	Buteo lagopus	122	32.11	
127	Buzzard	Buteo buteo	366	96.32	
128	Barn Owl	Tyto alba	296	77.89	
129	Little Owl	Athene noctua	219	57.63	
130	Long-eared Owl	Asio otus	121	31.84	
131	Short-eared Owl	Asio flammeus	236	62.11	
132	Tawny Owl	Strix aluco	291	76.58	
133	Kingfisher	Alcedo atthis	329	86.58	
134	Lesser Spotted Woodpecker	Dryobates minor	119	31.32	
135	Great Spotted Woodpecker	Dendrocopos major	355	93.42	
136	Green Woodpecker	Picus viridis	314	82.63	
137	Kestrel	Falco tinnunculus	356	93.68	
138	Merlin	Falco columbarius	236	62.11	
139	Hobby	Falco subbuteo	263	69.21	
140	Peregrine	Falco peregrinus	331	87.11	
141	Ring-necked Parakeet	Psittacula krameri	224	58.95	
142	Great Grey Shrike	Lanius excubitor	136	35.79	
143	Lesser Grey Shrike	Lanius minor	42	11.05	
144	Red-backed Shrike	Lanius collurio	73	19.21	
145	Jay	Garrulus glandarius	356	93.68	
146	Magpie	Pica pica	369	97.11	
147	Jackdaw	Coloeus monedula	366	96.32	
148	Rook	Corvus frugilegus	362	95.26	
149	Carrion Crow	Corvus corone	370	97.37	
150	Raven	Corvus corax	321	84.47	
151	Waxwing	Bombycilla garrulus	203	53.42	
152	Coal Tit	Periparus ater	357	93.95	
153	Marsh Tit	Poecile palustris	286	75.26	
154	Blue Tit	Cyanistes caeruleus	371	97.63	
155	Great Tit	Parus major	372	97.89	
156	Bearded Tit	Panurus biarmicus	242	63.68	
157	Woodlark	Lullula arborea	162	42.63	
158	Skylark	Alauda arvensis	347	91.32	
159	Shore Lark	Eremophila alpestris	133	35.00	
160	Sand Martin	Riparia riparia	332	87.37	
161	Swallow	Hirundo rustica	341	89.74	
162	House Martin	Delichon urbicum	334	87.89	
163	Cetti's Warbler	Cettia cetti	299	78.68	
164	Long-tailed Tit	Aegithalos caudatus	360	94.74	
165	Willow Warbler	Phylloscopus trochilus	321	84.47	
166	Chiffchaff	Phylloscopus collybita	343	90.26	
167	Great Reed Warbler	Acrocephalus arundinaceus	97	25.53	
168	Sedge Warbler	Acrocephalus schoenobaenus	318	83.68	
169	Reed Warbler	Acrocephalus scirpaceus	316	83.16	
170	Blackcap	Sylvia atricapilla	338	88.95	
171	Garden Warbler	Sylvia borin	269	70.79	
172	Lesser Whitethroat	Curruca curruca	260	68.42	
173	Whitethroat	Curruca communis	324	85.26	
174	Dartford Warbler	Curruca undata	168	44.21	
175	Firecrest	Regulus ignicapilla	197	51.84	
176	Goldcrest	Regulus regulus	340	89.47	
177	Wren	Troglodytes troglodytes	364	95.79	
178	Nuthatch	Sitta europaea	336	88.42	
179	Treecreeper	Certhia familiaris	335	88.16	
180	Starling	Sturnus vulgaris	369	97.11	
181	Song Thrush	Turdus philomelos	361	95.00	
182	Mistle Thrush	Turdus viscivorus	338	88.95	
183	Redwing	Turdus iliacus	344	90.53	
184	Blackbird	Turdus merula	372	97.89	
185	Fieldfare	Turdus pilaris	331	87.11	
186	Ring Ouzel	Turdus torquatus	212	55.79	
187	Spotted Flycatcher	Muscicapa striata	246	64.74	
188	Robin	Erithacus rubecula	366	96.32	
189	Nightingale	Luscinia megarhynchos	127	33.42	
190	Pied Flycatcher	Ficedula hypoleuca	225	59.21	
191	Black Redstart	Phoenicurus ochruros	185	48.68	
192	Redstart	Phoenicurus phoenicurus	258	67.89	
193	Whinchat	Saxicola rubetra	251	66.05	
194	Stonechat	Saxicola rubicola	344	90.53	
195	Wheatear	Oenanthe oenanthe	313	82.37	
196	Tree Sparrow	Passer montanus	281	73.95	
197	House Sparrow	Passer domesticus	368	96.84	
198	Dunnock	Prunella modularis	366	96.32	
199	Yellow Wagtail	Motacilla flava	277	72.89	
200	Grey Wagtail	Motacilla cinerea	340	89.47	
201	Pied Wagtail	Motacilla alba	362	95.26	
202	Meadow Pipit	Anthus pratensis	343	90.26	
203	Tree Pipit	Anthus trivialis	233	61.32	
204	Water Pipit	Anthus spinoletta	206	54.21	
205	Rock Pipit	Anthus petrosus	299	78.68	
206	Chaffinch	Fringilla coelebs	367	96.58	
207	Brambling	Fringilla montifringilla	282	74.21	
208	Hawfinch	Coccothraustes coccothraustes	168	44.21	
209	Bullfinch	Pyrrhula pyrrhula	344	90.53	
210	Greenfinch	Chloris chloris	355	93.42	
211	Twite	Linaria flavirostris	200	52.63	
212	Linnet	Linaria cannabina	348	91.58	
213	Lesser Redpoll	Acanthis cabaret	261	68.68	
214	Common Crossbill	Loxia curvirostra	240	63.16	
215	Goldfinch	Carduelis carduelis	364	95.79	
216	Serin	Serinus serinus	47	12.37	
217	Siskin	Spinus spinus	328	86.32	
218	Corn Bunting	Emberiza calandra	233	61.32	
219	Yellowhammer	Emberiza citrinella	325	85.53	
220	Reed Bunting	Emberiza schoeniclus	352	92.63