David Nickeas: Britain Year List 2019 BOU, All records: Top Blockers Record(s) 1 to 201 of 201 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	Mandarin Duck	Aix galericulata	263	69.21	
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	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	Scaup	Aythya marila	225	59.21	
25	Eider	Somateria mollissima	275	72.37	
26	Common Scoter	Melanitta nigra	277	72.89	
27	Goldeneye	Bucephala clangula	326	85.79	
28	Goosander	Mergus merganser	327	86.05	
29	Grey Partridge	Perdix perdix	245	64.47	
30	Golden Pheasant	Chrysolophus pictus	17	4.47	
31	Pheasant	Phasianus colchicus	361	95.00	
32	Red-legged Partridge	Alectoris rufa	324	85.26	
33	Swift	Apus apus	330	86.84	
34	Little Bustard	Tetrax tetrax	107	28.16	
35	Cuckoo	Cuculus canorus	290	76.32	
36	Rock Dove (Feral Pigeon)	Columba livia	301	79.21	
37	Stock Dove	Columba oenas	337	88.68	
38	Woodpigeon	Columba palumbus	372	97.89	
39	Collared Dove	Streptopelia decaocto	360	94.74	
40	Water Rail	Rallus aquaticus	297	78.16	
41	Spotted Crake	Porzana porzana	69	18.16	
42	Moorhen	Gallinula chloropus	366	96.32	
43	Coot	Fulica atra	363	95.53	
44	Crane	Grus grus	181	47.63	
45	Little Grebe	Tachybaptus ruficollis	352	92.63	
46	Great Crested Grebe	Podiceps cristatus	358	94.21	
47	Black-necked Grebe	Podiceps nigricollis	234	61.58	
48	Stone-curlew	Burhinus oedicnemus	129	33.95	
49	Oystercatcher	Haematopus ostralegus	354	93.16	
50	Black-winged Stilt	Himantopus himantopus	95	25.00	
51	Avocet	Recurvirostra avosetta	320	84.21	
52	Grey Plover	Pluvialis squatarola	289	76.05	
53	Golden Plover	Pluvialis apricaria	314	82.63	
54	American Golden Plover	Pluvialis dominica	54	14.21	
55	Ringed Plover	Charadrius hiaticula	331	87.11	
56	Little Ringed Plover	Charadrius dubius	284	74.74	
57	Lapwing	Vanellus vanellus	360	94.74	
58	Kentish Plover	Anarhynchus alexandrinus	44	11.58	
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	Red-necked Phalarope	Phalaropus lobatus	95	25.00	
66	Common Sandpiper	Actitis hypoleucos	301	79.21	
67	Green Sandpiper	Tringa ochropus	282	74.21	
68	Wood Sandpiper	Tringa glareola	220	57.89	
69	Redshank	Tringa totanus	353	92.89	
70	Spotted Redshank	Tringa erythropus	241	63.42	
71	Greenshank	Tringa nebularia	295	77.63	
72	Turnstone	Arenaria interpres	332	87.37	
73	Knot	Calidris canutus	290	76.32	
74	Ruff	Calidris pugnax	302	79.47	
75	Stilt Sandpiper	Calidris himantopus	24	6.32	
76	Curlew Sandpiper	Calidris ferruginea	193	50.79	
77	Sanderling	Calidris alba	289	76.05	
78	Dunlin	Calidris alpina	344	90.53	
79	White-rumped Sandpiper	Calidris fuscicollis	90	23.68	
80	Little Tern	Sternula albifrons	220	57.89	
81	Arctic Tern	Sterna paradisaea	233	61.32	
82	Common Tern	Sterna hirundo	311	81.84	
83	Sandwich Tern	Thalasseus sandvicensis	288	75.79	
84	Little Gull	Hydrocoloeus minutus	221	58.16	
85	Kittiwake	Rissa tridactyla	297	78.16	
86	Black-headed Gull	Chroicocephalus ridibundus	370	97.37	
87	Mediterranean Gull	Ichthyaetus melanocephalus	297	78.16	
88	Common Gull	Larus canus	341	89.74	
89	Herring Gull	Larus argentatus	365	96.05	
90	Yellow-legged Gull	Larus michahellis	175	46.05	
91	Great Black-backed Gull	Larus marinus	351	92.37	
92	Lesser Black-backed Gull	Larus fuscus	355	93.42	
93	Arctic Skua	Stercorarius parasiticus	174	45.79	
94	Great Skua	Stercorarius skua	192	50.53	
95	Puffin	Fratercula arctica	219	57.63	
96	Razorbill	Alca torda	276	72.63	
97	Common Guillemot	Uria aalge	300	78.95	
98	Great Northern Diver	Gavia immer	228	60.00	
99	Fulmar	Fulmarus glacialis	295	77.63	
100	Sooty Shearwater	Ardenna grisea	85	22.37	
101	Gannet	Morus bassanus	316	83.16	
102	Cormorant	Phalacrocorax carbo	366	96.32	
103	Shag	Gulosus aristotelis	286	75.26	
104	Glossy Ibis	Plegadis falcinellus	109	28.68	
105	Spoonbill	Platalea leucorodia	260	68.42	
106	Bittern	Botaurus stellaris	212	55.79	
107	Little Egret	Egretta garzetta	357	93.95	
108	Cattle Egret	Bubulcus ibis	242	63.68	
109	Great White Egret	Ardea alba	302	79.47	
110	Grey Heron	Ardea cinerea	363	95.53	
111	Osprey	Pandion haliaetus	239	62.89	
112	Sparrowhawk	Accipiter nisus	348	91.58	
113	Marsh Harrier	Circus aeruginosus	330	86.84	
114	Hen Harrier	Circus cyaneus	219	57.63	
115	Red Kite	Milvus milvus	343	90.26	
116	Buzzard	Buteo buteo	366	96.32	
117	Barn Owl	Tyto alba	296	77.89	
118	Little Owl	Athene noctua	219	57.63	
119	Tawny Owl	Strix aluco	291	76.58	
120	Kingfisher	Alcedo atthis	329	86.58	
121	Wryneck	Jynx torquilla	77	20.26	
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	Red-eyed Vireo	Vireo olivaceus	84	22.11	
129	Jay	Garrulus glandarius	356	93.68	
130	Magpie	Pica pica	369	97.11	
131	Jackdaw	Coloeus monedula	366	96.32	
132	Rook	Corvus frugilegus	362	95.26	
133	Carrion Crow	Corvus corone	370	97.37	
134	Raven	Corvus corax	321	84.47	
135	Waxwing	Bombycilla garrulus	203	53.42	
136	Coal Tit	Periparus ater	357	93.95	
137	Marsh Tit	Poecile palustris	286	75.26	
138	Willow Tit	Poecile montanus	156	41.05	
139	Blue Tit	Cyanistes caeruleus	371	97.63	
140	Great Tit	Parus major	372	97.89	
141	Bearded Tit	Panurus biarmicus	242	63.68	
142	Woodlark	Lullula arborea	162	42.63	
143	Skylark	Alauda arvensis	347	91.32	
144	Sand Martin	Riparia riparia	332	87.37	
145	Swallow	Hirundo rustica	341	89.74	
146	House Martin	Delichon urbicum	334	87.89	
147	Cetti's Warbler	Cettia cetti	299	78.68	
148	Long-tailed Tit	Aegithalos caudatus	360	94.74	
149	Willow Warbler	Phylloscopus trochilus	321	84.47	
150	Chiffchaff	Phylloscopus collybita	343	90.26	
151	Sedge Warbler	Acrocephalus schoenobaenus	318	83.68	
152	Reed Warbler	Acrocephalus scirpaceus	316	83.16	
153	Grasshopper Warbler	Locustella naevia	188	49.47	
154	Blackcap	Sylvia atricapilla	338	88.95	
155	Garden Warbler	Sylvia borin	269	70.79	
156	Lesser Whitethroat	Curruca curruca	260	68.42	
157	Whitethroat	Curruca communis	324	85.26	
158	Dartford Warbler	Curruca undata	168	44.21	
159	Firecrest	Regulus ignicapilla	197	51.84	
160	Goldcrest	Regulus regulus	340	89.47	
161	Wren	Troglodytes troglodytes	364	95.79	
162	Nuthatch	Sitta europaea	336	88.42	
163	Treecreeper	Certhia familiaris	335	88.16	
164	Starling	Sturnus vulgaris	369	97.11	
165	Song Thrush	Turdus philomelos	361	95.00	
166	Mistle Thrush	Turdus viscivorus	338	88.95	
167	Redwing	Turdus iliacus	344	90.53	
168	Blackbird	Turdus merula	372	97.89	
169	Fieldfare	Turdus pilaris	331	87.11	
170	Spotted Flycatcher	Muscicapa striata	246	64.74	
171	Robin	Erithacus rubecula	366	96.32	
172	Nightingale	Luscinia megarhynchos	127	33.42	
173	Red-breasted Flycatcher	Ficedula parva	66	17.37	
174	Pied Flycatcher	Ficedula hypoleuca	225	59.21	
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	Tree Pipit	Anthus trivialis	233	61.32	
188	Rock Pipit	Anthus petrosus	299	78.68	
189	Chaffinch	Fringilla coelebs	367	96.58	
190	Brambling	Fringilla montifringilla	282	74.21	
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	Corn Bunting	Emberiza calandra	233	61.32	
200	Yellowhammer	Emberiza citrinella	325	85.53	
201	Reed Bunting	Emberiza schoeniclus	352	92.63