Ian Bennell: Britain Year List 2019 BOU, All records: Top Blockers Record(s) 1 to 213 of 213 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	Baikal Teal	Sibirionetta formosa	94	24.74	
12	Garganey	Spatula querquedula	255	67.11	
13	Blue-winged Teal	Spatula discors	73	19.21	
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	Green-winged Teal	Anas carolinensis	131	34.47	
21	Red-crested Pochard	Netta rufina	195	51.32	
22	Pochard	Aythya ferina	339	89.21	
23	Tufted Duck	Aythya fuligula	362	95.26	
24	Eider	Somateria mollissima	275	72.37	
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	Smew	Mergellus albellus	188	49.47	
29	Goosander	Mergus merganser	327	86.05	
30	Red-breasted Merganser	Mergus serrator	277	72.89	
31	Grey Partridge	Perdix perdix	245	64.47	
32	Pheasant	Phasianus colchicus	361	95.00	
33	Red-legged Partridge	Alectoris rufa	324	85.26	
34	Swift	Apus apus	330	86.84	
35	Little Bustard	Tetrax tetrax	107	28.16	
36	Yellow-billed Cuckoo	Coccyzus americanus	26	6.84	
37	Cuckoo	Cuculus canorus	290	76.32	
38	Rock Dove (Feral Pigeon)	Columba livia	301	79.21	
39	Stock Dove	Columba oenas	337	88.68	
40	Woodpigeon	Columba palumbus	372	97.89	
41	Turtle Dove	Streptopelia turtur	185	48.68	
42	Collared Dove	Streptopelia decaocto	360	94.74	
43	Water Rail	Rallus aquaticus	297	78.16	
44	Spotted Crake	Porzana porzana	69	18.16	
45	Moorhen	Gallinula chloropus	366	96.32	
46	Coot	Fulica atra	363	95.53	
47	Little Grebe	Tachybaptus ruficollis	352	92.63	
48	Great Crested Grebe	Podiceps cristatus	358	94.21	
49	Black-necked Grebe	Podiceps nigricollis	234	61.58	
50	Stone-curlew	Burhinus oedicnemus	129	33.95	
51	Oystercatcher	Haematopus ostralegus	354	93.16	
52	Black-winged Stilt	Himantopus himantopus	95	25.00	
53	Avocet	Recurvirostra avosetta	320	84.21	
54	Grey Plover	Pluvialis squatarola	289	76.05	
55	Golden Plover	Pluvialis apricaria	314	82.63	
56	Dotterel	Eudromias morinellus	115	30.26	
57	Ringed Plover	Charadrius hiaticula	331	87.11	
58	Little Ringed Plover	Charadrius dubius	284	74.74	
59	Lapwing	Vanellus vanellus	360	94.74	
60	Eurasian Whimbrel	Numenius phaeopus	261	68.68	
61	Curlew	Numenius arquata	357	93.95	
62	Bar-tailed Godwit	Limosa lapponica	286	75.26	
63	Black-tailed Godwit	Limosa limosa	341	89.74	
64	Snipe	Gallinago gallinago	332	87.37	
65	Common Sandpiper	Actitis hypoleucos	301	79.21	
66	Green Sandpiper	Tringa ochropus	282	74.21	
67	Redshank	Tringa totanus	353	92.89	
68	Spotted Redshank	Tringa erythropus	241	63.42	
69	Greenshank	Tringa nebularia	295	77.63	
70	Turnstone	Arenaria interpres	332	87.37	
71	Knot	Calidris canutus	290	76.32	
72	Ruff	Calidris pugnax	302	79.47	
73	Curlew Sandpiper	Calidris ferruginea	193	50.79	
74	Sanderling	Calidris alba	289	76.05	
75	Dunlin	Calidris alpina	344	90.53	
76	Purple Sandpiper	Calidris maritima	215	56.58	
77	Little Tern	Sternula albifrons	220	57.89	
78	Black Tern	Chlidonias niger	190	50.00	
79	Arctic Tern	Sterna paradisaea	233	61.32	
80	Common Tern	Sterna hirundo	311	81.84	
81	Sandwich Tern	Thalasseus sandvicensis	288	75.79	
82	Little Gull	Hydrocoloeus minutus	221	58.16	
83	Kittiwake	Rissa tridactyla	297	78.16	
84	Black-headed Gull	Chroicocephalus ridibundus	370	97.37	
85	Mediterranean Gull	Ichthyaetus melanocephalus	297	78.16	
86	Common Gull	Larus canus	341	89.74	
87	Herring Gull	Larus argentatus	365	96.05	
88	Yellow-legged Gull	Larus michahellis	175	46.05	
89	Great Black-backed Gull	Larus marinus	351	92.37	
90	Lesser Black-backed Gull	Larus fuscus	355	93.42	
91	Arctic Skua	Stercorarius parasiticus	174	45.79	
92	Great Skua	Stercorarius skua	192	50.53	
93	Razorbill	Alca torda	276	72.63	
94	Common Guillemot	Uria aalge	300	78.95	
95	Red-throated Diver	Gavia stellata	275	72.37	
96	Great Northern Diver	Gavia immer	228	60.00	
97	Fulmar	Fulmarus glacialis	295	77.63	
98	Sooty Shearwater	Ardenna grisea	85	22.37	
99	Manx Shearwater	Puffinus puffinus	198	52.11	
100	Gannet	Morus bassanus	316	83.16	
101	Cormorant	Phalacrocorax carbo	366	96.32	
102	Shag	Gulosus aristotelis	286	75.26	
103	Spoonbill	Platalea leucorodia	260	68.42	
104	Bittern	Botaurus stellaris	212	55.79	
105	Little Egret	Egretta garzetta	357	93.95	
106	Great White Egret	Ardea alba	302	79.47	
107	Grey Heron	Ardea cinerea	363	95.53	
108	Osprey	Pandion haliaetus	239	62.89	
109	Honey-buzzard	Pernis apivorus	88	23.16	
110	Sparrowhawk	Accipiter nisus	348	91.58	
111	Goshawk	Accipiter gentilis	183	48.16	
112	Marsh Harrier	Circus aeruginosus	330	86.84	
113	Hen Harrier	Circus cyaneus	219	57.63	
114	Red Kite	Milvus milvus	343	90.26	
115	Buzzard	Buteo buteo	366	96.32	
116	Barn Owl	Tyto alba	296	77.89	
117	Little Owl	Athene noctua	219	57.63	
118	Tawny Owl	Strix aluco	291	76.58	
119	Kingfisher	Alcedo atthis	329	86.58	
120	Wryneck	Jynx torquilla	77	20.26	
121	Lesser Spotted Woodpecker	Dryobates minor	119	31.32	
122	Great Spotted Woodpecker	Dendrocopos major	355	93.42	
123	Green Woodpecker	Picus viridis	314	82.63	
124	Kestrel	Falco tinnunculus	356	93.68	
125	Merlin	Falco columbarius	236	62.11	
126	Hobby	Falco subbuteo	263	69.21	
127	Peregrine	Falco peregrinus	331	87.11	
128	Ring-necked Parakeet	Psittacula krameri	224	58.95	
129	Red-eyed Vireo	Vireo olivaceus	84	22.11	
130	Red-backed Shrike	Lanius collurio	73	19.21	
131	Jay	Garrulus glandarius	356	93.68	
132	Magpie	Pica pica	369	97.11	
133	Chough	Pyrrhocorax pyrrhocorax	156	41.05	
134	Jackdaw	Coloeus monedula	366	96.32	
135	Rook	Corvus frugilegus	362	95.26	
136	Carrion Crow	Corvus corone	370	97.37	
137	Raven	Corvus corax	321	84.47	
138	Waxwing	Bombycilla garrulus	203	53.42	
139	Coal Tit	Periparus ater	357	93.95	
140	Marsh Tit	Poecile palustris	286	75.26	
141	Blue Tit	Cyanistes caeruleus	371	97.63	
142	Great Tit	Parus major	372	97.89	
143	Bearded Tit	Panurus biarmicus	242	63.68	
144	Woodlark	Lullula arborea	162	42.63	
145	Skylark	Alauda arvensis	347	91.32	
146	Shore Lark	Eremophila alpestris	133	35.00	
147	Short-toed Lark	Calandrella brachydactyla	29	7.63	
148	Sand Martin	Riparia riparia	332	87.37	
149	Swallow	Hirundo rustica	341	89.74	
150	House Martin	Delichon urbicum	334	87.89	
151	Cetti's Warbler	Cettia cetti	299	78.68	
152	Long-tailed Tit	Aegithalos caudatus	360	94.74	
153	Western Bonelli's Warbler	Phylloscopus bonelli	23	6.05	
154	Yellow-browed Warbler	Phylloscopus inornatus	174	45.79	
155	Willow Warbler	Phylloscopus trochilus	321	84.47	
156	Chiffchaff	Phylloscopus collybita	343	90.26	
157	Iberian Chiffchaff	Phylloscopus ibericus	85	22.37	
158	Sedge Warbler	Acrocephalus schoenobaenus	318	83.68	
159	Reed Warbler	Acrocephalus scirpaceus	316	83.16	
160	Eastern Olivaceous Warbler	Iduna pallida	41	10.79	
161	Savi's Warbler	Locustella luscinioides	76	20.00	
162	Blackcap	Sylvia atricapilla	338	88.95	
163	Garden Warbler	Sylvia borin	269	70.79	
164	Lesser Whitethroat	Curruca curruca	260	68.42	
165	Whitethroat	Curruca communis	324	85.26	
166	Dartford Warbler	Curruca undata	168	44.21	
167	Firecrest	Regulus ignicapilla	197	51.84	
168	Goldcrest	Regulus regulus	340	89.47	
169	Wren	Troglodytes troglodytes	364	95.79	
170	Nuthatch	Sitta europaea	336	88.42	
171	Treecreeper	Certhia familiaris	335	88.16	
172	Starling	Sturnus vulgaris	369	97.11	
173	Song Thrush	Turdus philomelos	361	95.00	
174	Mistle Thrush	Turdus viscivorus	338	88.95	
175	Redwing	Turdus iliacus	344	90.53	
176	Blackbird	Turdus merula	372	97.89	
177	Fieldfare	Turdus pilaris	331	87.11	
178	Black-throated Thrush	Turdus atrogularis	51	13.42	
179	Spotted Flycatcher	Muscicapa striata	246	64.74	
180	Robin	Erithacus rubecula	366	96.32	
181	Red-breasted Flycatcher	Ficedula parva	66	17.37	
182	Pied Flycatcher	Ficedula hypoleuca	225	59.21	
183	Redstart	Phoenicurus phoenicurus	258	67.89	
184	Blue Rock Thrush	Monticola solitarius	33	8.68	
185	Whinchat	Saxicola rubetra	251	66.05	
186	Stonechat	Saxicola rubicola	344	90.53	
187	Wheatear	Oenanthe oenanthe	313	82.37	
188	House Sparrow	Passer domesticus	368	96.84	
189	Dunnock	Prunella modularis	366	96.32	
190	Yellow Wagtail	Motacilla flava	277	72.89	
191	Grey Wagtail	Motacilla cinerea	340	89.47	
192	Pied Wagtail	Motacilla alba	362	95.26	
193	Meadow Pipit	Anthus pratensis	343	90.26	
194	Tree Pipit	Anthus trivialis	233	61.32	
195	Red-throated Pipit	Anthus cervinus	15	3.95	
196	Water Pipit	Anthus spinoletta	206	54.21	
197	Rock Pipit	Anthus petrosus	299	78.68	
198	Chaffinch	Fringilla coelebs	367	96.58	
199	Brambling	Fringilla montifringilla	282	74.21	
200	Hawfinch	Coccothraustes coccothraustes	168	44.21	
201	Bullfinch	Pyrrhula pyrrhula	344	90.53	
202	Greenfinch	Chloris chloris	355	93.42	
203	Twite	Linaria flavirostris	200	52.63	
204	Linnet	Linaria cannabina	348	91.58	
205	Common Redpoll	Acanthis flammea	133	35.00	
206	Lesser Redpoll	Acanthis cabaret	261	68.68	
207	Common Crossbill	Loxia curvirostra	240	63.16	
208	Goldfinch	Carduelis carduelis	364	95.79	
209	Siskin	Spinus spinus	328	86.32	
210	Snow Bunting	Plectrophenax nivalis	215	56.58	
211	Yellowhammer	Emberiza citrinella	325	85.53	
212	Ortolan Bunting	Emberiza hortulana	35	9.21	
213	Reed Bunting	Emberiza schoeniclus	352	92.63