Mark Ellis: Britain Year List 2019 BOU, All records: Top Blockers Record(s) 1 to 202 of 202 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	Mandarin Duck	Aix galericulata	263	69.21	
14	Garganey	Spatula querquedula	255	67.11	
15	Shoveler	Spatula clypeata	358	94.21	
16	Gadwall	Mareca strepera	354	93.16	
17	Wigeon	Mareca penelope	361	95.00	
18	Mallard	Anas platyrhynchos	371	97.63	
19	Pintail	Anas acuta	322	84.74	
20	Teal	Anas crecca	363	95.53	
21	Green-winged Teal	Anas carolinensis	131	34.47	
22	Red-crested Pochard	Netta rufina	195	51.32	
23	Pochard	Aythya ferina	339	89.21	
24	Tufted Duck	Aythya fuligula	362	95.26	
25	Scaup	Aythya marila	225	59.21	
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	Great Spotted Cuckoo	Clamator glandarius	39	10.26	
38	Cuckoo	Cuculus canorus	290	76.32	
39	Rock Dove (Feral Pigeon)	Columba livia	301	79.21	
40	Stock Dove	Columba oenas	337	88.68	
41	Woodpigeon	Columba palumbus	372	97.89	
42	Turtle Dove	Streptopelia turtur	185	48.68	
43	Collared Dove	Streptopelia decaocto	360	94.74	
44	Water Rail	Rallus aquaticus	297	78.16	
45	Moorhen	Gallinula chloropus	366	96.32	
46	Coot	Fulica atra	363	95.53	
47	Crane	Grus grus	181	47.63	
48	Little Grebe	Tachybaptus ruficollis	352	92.63	
49	Great Crested Grebe	Podiceps cristatus	358	94.21	
50	Black-necked Grebe	Podiceps nigricollis	234	61.58	
51	Stone-curlew	Burhinus oedicnemus	129	33.95	
52	Oystercatcher	Haematopus ostralegus	354	93.16	
53	Avocet	Recurvirostra avosetta	320	84.21	
54	Grey Plover	Pluvialis squatarola	289	76.05	
55	Golden Plover	Pluvialis apricaria	314	82.63	
56	American Golden Plover	Pluvialis dominica	54	14.21	
57	Dotterel	Eudromias morinellus	115	30.26	
58	Ringed Plover	Charadrius hiaticula	331	87.11	
59	Little Ringed Plover	Charadrius dubius	284	74.74	
60	Lapwing	Vanellus vanellus	360	94.74	
61	Eurasian Whimbrel	Numenius phaeopus	261	68.68	
62	Curlew	Numenius arquata	357	93.95	
63	Bar-tailed Godwit	Limosa lapponica	286	75.26	
64	Black-tailed Godwit	Limosa limosa	341	89.74	
65	Long-billed Dowitcher	Limnodromus scolopaceus	138	36.32	
66	Snipe	Gallinago gallinago	332	87.37	
67	Common Sandpiper	Actitis hypoleucos	301	79.21	
68	Green Sandpiper	Tringa ochropus	282	74.21	
69	Wood Sandpiper	Tringa glareola	220	57.89	
70	Redshank	Tringa totanus	353	92.89	
71	Spotted Redshank	Tringa erythropus	241	63.42	
72	Greenshank	Tringa nebularia	295	77.63	
73	Turnstone	Arenaria interpres	332	87.37	
74	Knot	Calidris canutus	290	76.32	
75	Ruff	Calidris pugnax	302	79.47	
76	Curlew Sandpiper	Calidris ferruginea	193	50.79	
77	Sanderling	Calidris alba	289	76.05	
78	Dunlin	Calidris alpina	344	90.53	
79	Purple Sandpiper	Calidris maritima	215	56.58	
80	Little Stint	Calidris minuta	153	40.26	
81	Pectoral Sandpiper	Calidris melanotos	70	18.42	
82	Little Tern	Sternula albifrons	220	57.89	
83	Arctic Tern	Sterna paradisaea	233	61.32	
84	Common Tern	Sterna hirundo	311	81.84	
85	Sandwich Tern	Thalasseus sandvicensis	288	75.79	
86	Little Gull	Hydrocoloeus minutus	221	58.16	
87	Kittiwake	Rissa tridactyla	297	78.16	
88	Black-headed Gull	Chroicocephalus ridibundus	370	97.37	
89	Mediterranean Gull	Ichthyaetus melanocephalus	297	78.16	
90	Common Gull	Larus canus	341	89.74	
91	Caspian Gull	Larus cachinnans	134	35.26	
92	Herring Gull	Larus argentatus	365	96.05	
93	Yellow-legged Gull	Larus michahellis	175	46.05	
94	Great Black-backed Gull	Larus marinus	351	92.37	
95	Glaucous Gull	Larus hyperboreus	99	26.05	
96	Lesser Black-backed Gull	Larus fuscus	355	93.42	
97	Great Skua	Stercorarius skua	192	50.53	
98	Razorbill	Alca torda	276	72.63	
99	Common Guillemot	Uria aalge	300	78.95	
100	Red-throated Diver	Gavia stellata	275	72.37	
101	Great Northern Diver	Gavia immer	228	60.00	
102	Fulmar	Fulmarus glacialis	295	77.63	
103	Gannet	Morus bassanus	316	83.16	
104	Cormorant	Phalacrocorax carbo	366	96.32	
105	Shag	Gulosus aristotelis	286	75.26	
106	Glossy Ibis	Plegadis falcinellus	109	28.68	
107	Spoonbill	Platalea leucorodia	260	68.42	
108	Bittern	Botaurus stellaris	212	55.79	
109	Little Egret	Egretta garzetta	357	93.95	
110	Cattle Egret	Bubulcus ibis	242	63.68	
111	Great White Egret	Ardea alba	302	79.47	
112	Grey Heron	Ardea cinerea	363	95.53	
113	Purple Heron	Ardea purpurea	68	17.89	
114	Osprey	Pandion haliaetus	239	62.89	
115	Sparrowhawk	Accipiter nisus	348	91.58	
116	Goshawk	Accipiter gentilis	183	48.16	
117	Marsh Harrier	Circus aeruginosus	330	86.84	
118	Red Kite	Milvus milvus	343	90.26	
119	Rough-legged Buzzard	Buteo lagopus	122	32.11	
120	Buzzard	Buteo buteo	366	96.32	
121	Barn Owl	Tyto alba	296	77.89	
122	Tawny Owl	Strix aluco	291	76.58	
123	Kingfisher	Alcedo atthis	329	86.58	
124	Lesser Spotted Woodpecker	Dryobates minor	119	31.32	
125	Great Spotted Woodpecker	Dendrocopos major	355	93.42	
126	Green Woodpecker	Picus viridis	314	82.63	
127	Kestrel	Falco tinnunculus	356	93.68	
128	Merlin	Falco columbarius	236	62.11	
129	Hobby	Falco subbuteo	263	69.21	
130	Peregrine	Falco peregrinus	331	87.11	
131	Ring-necked Parakeet	Psittacula krameri	224	58.95	
132	Great Grey Shrike	Lanius excubitor	136	35.79	
133	Red-backed Shrike	Lanius collurio	73	19.21	
134	Jay	Garrulus glandarius	356	93.68	
135	Magpie	Pica pica	369	97.11	
136	Jackdaw	Coloeus monedula	366	96.32	
137	Rook	Corvus frugilegus	362	95.26	
138	Carrion Crow	Corvus corone	370	97.37	
139	Waxwing	Bombycilla garrulus	203	53.42	
140	Coal Tit	Periparus ater	357	93.95	
141	Marsh Tit	Poecile palustris	286	75.26	
142	Blue Tit	Cyanistes caeruleus	371	97.63	
143	Great Tit	Parus major	372	97.89	
144	Bearded Tit	Panurus biarmicus	242	63.68	
145	Woodlark	Lullula arborea	162	42.63	
146	Skylark	Alauda arvensis	347	91.32	
147	Shore Lark	Eremophila alpestris	133	35.00	
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	Willow Warbler	Phylloscopus trochilus	321	84.47	
154	Chiffchaff	Phylloscopus collybita	343	90.26	
155	Sedge Warbler	Acrocephalus schoenobaenus	318	83.68	
156	Reed Warbler	Acrocephalus scirpaceus	316	83.16	
157	Savi's Warbler	Locustella luscinioides	76	20.00	
158	Blackcap	Sylvia atricapilla	338	88.95	
159	Garden Warbler	Sylvia borin	269	70.79	
160	Lesser Whitethroat	Curruca curruca	260	68.42	
161	Whitethroat	Curruca communis	324	85.26	
162	Dartford Warbler	Curruca undata	168	44.21	
163	Goldcrest	Regulus regulus	340	89.47	
164	Wren	Troglodytes troglodytes	364	95.79	
165	Nuthatch	Sitta europaea	336	88.42	
166	Treecreeper	Certhia familiaris	335	88.16	
167	Starling	Sturnus vulgaris	369	97.11	
168	Song Thrush	Turdus philomelos	361	95.00	
169	Mistle Thrush	Turdus viscivorus	338	88.95	
170	Redwing	Turdus iliacus	344	90.53	
171	Blackbird	Turdus merula	372	97.89	
172	Fieldfare	Turdus pilaris	331	87.11	
173	Ring Ouzel	Turdus torquatus	212	55.79	
174	Robin	Erithacus rubecula	366	96.32	
175	Black Redstart	Phoenicurus ochruros	185	48.68	
176	Redstart	Phoenicurus phoenicurus	258	67.89	
177	Whinchat	Saxicola rubetra	251	66.05	
178	Stonechat	Saxicola rubicola	344	90.53	
179	Wheatear	Oenanthe oenanthe	313	82.37	
180	Tree Sparrow	Passer montanus	281	73.95	
181	House Sparrow	Passer domesticus	368	96.84	
182	Dunnock	Prunella modularis	366	96.32	
183	Yellow Wagtail	Motacilla flava	277	72.89	
184	Grey Wagtail	Motacilla cinerea	340	89.47	
185	Pied Wagtail	Motacilla alba	362	95.26	
186	Meadow Pipit	Anthus pratensis	343	90.26	
187	Rock Pipit	Anthus petrosus	299	78.68	
188	Chaffinch	Fringilla coelebs	367	96.58	
189	Brambling	Fringilla montifringilla	282	74.21	
190	Hawfinch	Coccothraustes coccothraustes	168	44.21	
191	Bullfinch	Pyrrhula pyrrhula	344	90.53	
192	Greenfinch	Chloris chloris	355	93.42	
193	Twite	Linaria flavirostris	200	52.63	
194	Linnet	Linaria cannabina	348	91.58	
195	Lesser Redpoll	Acanthis cabaret	261	68.68	
196	Common Crossbill	Loxia curvirostra	240	63.16	
197	Goldfinch	Carduelis carduelis	364	95.79	
198	Siskin	Spinus spinus	328	86.32	
199	Snow Bunting	Plectrophenax nivalis	215	56.58	
200	Corn Bunting	Emberiza calandra	233	61.32	
201	Yellowhammer	Emberiza citrinella	325	85.53	
202	Reed Bunting	Emberiza schoeniclus	352	92.63