Mark Elsoffer: Britain Year List 2019 BOU, All records: Top Blockers Record(s) 1 to 162 of 162 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	Mute Swan	Cygnus olor	370	97.37	
7	Bewick's Swan	Cygnus columbianus	186	48.95	
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	Red-crested Pochard	Netta rufina	195	51.32	
18	Pochard	Aythya ferina	339	89.21	
19	Ring-necked Duck	Aythya collaris	160	42.11	
20	Tufted Duck	Aythya fuligula	362	95.26	
21	Common Scoter	Melanitta nigra	277	72.89	
22	Goosander	Mergus merganser	327	86.05	
23	Pheasant	Phasianus colchicus	361	95.00	
24	Red-legged Partridge	Alectoris rufa	324	85.26	
25	Nightjar	Caprimulgus europaeus	147	38.68	
26	Swift	Apus apus	330	86.84	
27	Great Bustard	Otis tarda	6	1.58	
28	Cuckoo	Cuculus canorus	290	76.32	
29	Rock Dove (Feral Pigeon)	Columba livia	301	79.21	
30	Stock Dove	Columba oenas	337	88.68	
31	Woodpigeon	Columba palumbus	372	97.89	
32	Turtle Dove	Streptopelia turtur	185	48.68	
33	Collared Dove	Streptopelia decaocto	360	94.74	
34	Water Rail	Rallus aquaticus	297	78.16	
35	Moorhen	Gallinula chloropus	366	96.32	
36	Coot	Fulica atra	363	95.53	
37	Crane	Grus grus	181	47.63	
38	Little Grebe	Tachybaptus ruficollis	352	92.63	
39	Great Crested Grebe	Podiceps cristatus	358	94.21	
40	Stone-curlew	Burhinus oedicnemus	129	33.95	
41	Oystercatcher	Haematopus ostralegus	354	93.16	
42	Avocet	Recurvirostra avosetta	320	84.21	
43	Grey Plover	Pluvialis squatarola	289	76.05	
44	Golden Plover	Pluvialis apricaria	314	82.63	
45	Ringed Plover	Charadrius hiaticula	331	87.11	
46	Little Ringed Plover	Charadrius dubius	284	74.74	
47	Lapwing	Vanellus vanellus	360	94.74	
48	Eurasian Whimbrel	Numenius phaeopus	261	68.68	
49	Curlew	Numenius arquata	357	93.95	
50	Bar-tailed Godwit	Limosa lapponica	286	75.26	
51	Black-tailed Godwit	Limosa limosa	341	89.74	
52	Snipe	Gallinago gallinago	332	87.37	
53	Common Sandpiper	Actitis hypoleucos	301	79.21	
54	Green Sandpiper	Tringa ochropus	282	74.21	
55	Wood Sandpiper	Tringa glareola	220	57.89	
56	Redshank	Tringa totanus	353	92.89	
57	Spotted Redshank	Tringa erythropus	241	63.42	
58	Greenshank	Tringa nebularia	295	77.63	
59	Turnstone	Arenaria interpres	332	87.37	
60	Knot	Calidris canutus	290	76.32	
61	Ruff	Calidris pugnax	302	79.47	
62	Curlew Sandpiper	Calidris ferruginea	193	50.79	
63	Dunlin	Calidris alpina	344	90.53	
64	Pectoral Sandpiper	Calidris melanotos	70	18.42	
65	Little Tern	Sternula albifrons	220	57.89	
66	Arctic Tern	Sterna paradisaea	233	61.32	
67	Common Tern	Sterna hirundo	311	81.84	
68	Sandwich Tern	Thalasseus sandvicensis	288	75.79	
69	Black-headed Gull	Chroicocephalus ridibundus	370	97.37	
70	Mediterranean Gull	Ichthyaetus melanocephalus	297	78.16	
71	Common Gull	Larus canus	341	89.74	
72	Herring Gull	Larus argentatus	365	96.05	
73	Great Black-backed Gull	Larus marinus	351	92.37	
74	Lesser Black-backed Gull	Larus fuscus	355	93.42	
75	Black-throated Diver	Gavia arctica	172	45.26	
76	Gannet	Morus bassanus	316	83.16	
77	Cormorant	Phalacrocorax carbo	366	96.32	
78	Shag	Gulosus aristotelis	286	75.26	
79	Spoonbill	Platalea leucorodia	260	68.42	
80	Little Egret	Egretta garzetta	357	93.95	
81	Great White Egret	Ardea alba	302	79.47	
82	Grey Heron	Ardea cinerea	363	95.53	
83	Sparrowhawk	Accipiter nisus	348	91.58	
84	Goshawk	Accipiter gentilis	183	48.16	
85	Marsh Harrier	Circus aeruginosus	330	86.84	
86	Hen Harrier	Circus cyaneus	219	57.63	
87	Montagu's Harrier	Circus pygargus	33	8.68	
88	Red Kite	Milvus milvus	343	90.26	
89	Buzzard	Buteo buteo	366	96.32	
90	Barn Owl	Tyto alba	296	77.89	
91	Tawny Owl	Strix aluco	291	76.58	
92	Kingfisher	Alcedo atthis	329	86.58	
93	Lesser Spotted Woodpecker	Dryobates minor	119	31.32	
94	Great Spotted Woodpecker	Dendrocopos major	355	93.42	
95	Green Woodpecker	Picus viridis	314	82.63	
96	Kestrel	Falco tinnunculus	356	93.68	
97	Hobby	Falco subbuteo	263	69.21	
98	Peregrine	Falco peregrinus	331	87.11	
99	Ring-necked Parakeet	Psittacula krameri	224	58.95	
100	Jay	Garrulus glandarius	356	93.68	
101	Magpie	Pica pica	369	97.11	
102	Jackdaw	Coloeus monedula	366	96.32	
103	Rook	Corvus frugilegus	362	95.26	
104	Carrion Crow	Corvus corone	370	97.37	
105	Raven	Corvus corax	321	84.47	
106	Coal Tit	Periparus ater	357	93.95	
107	Marsh Tit	Poecile palustris	286	75.26	
108	Blue Tit	Cyanistes caeruleus	371	97.63	
109	Great Tit	Parus major	372	97.89	
110	Bearded Tit	Panurus biarmicus	242	63.68	
111	Woodlark	Lullula arborea	162	42.63	
112	Skylark	Alauda arvensis	347	91.32	
113	Sand Martin	Riparia riparia	332	87.37	
114	Swallow	Hirundo rustica	341	89.74	
115	House Martin	Delichon urbicum	334	87.89	
116	Cetti's Warbler	Cettia cetti	299	78.68	
117	Long-tailed Tit	Aegithalos caudatus	360	94.74	
118	Willow Warbler	Phylloscopus trochilus	321	84.47	
119	Chiffchaff	Phylloscopus collybita	343	90.26	
120	Sedge Warbler	Acrocephalus schoenobaenus	318	83.68	
121	Reed Warbler	Acrocephalus scirpaceus	316	83.16	
122	Blackcap	Sylvia atricapilla	338	88.95	
123	Garden Warbler	Sylvia borin	269	70.79	
124	Lesser Whitethroat	Curruca curruca	260	68.42	
125	Whitethroat	Curruca communis	324	85.26	
126	Dartford Warbler	Curruca undata	168	44.21	
127	Goldcrest	Regulus regulus	340	89.47	
128	Wren	Troglodytes troglodytes	364	95.79	
129	Nuthatch	Sitta europaea	336	88.42	
130	Treecreeper	Certhia familiaris	335	88.16	
131	Starling	Sturnus vulgaris	369	97.11	
132	Song Thrush	Turdus philomelos	361	95.00	
133	Mistle Thrush	Turdus viscivorus	338	88.95	
134	Redwing	Turdus iliacus	344	90.53	
135	Blackbird	Turdus merula	372	97.89	
136	Fieldfare	Turdus pilaris	331	87.11	
137	Spotted Flycatcher	Muscicapa striata	246	64.74	
138	Robin	Erithacus rubecula	366	96.32	
139	Redstart	Phoenicurus phoenicurus	258	67.89	
140	Whinchat	Saxicola rubetra	251	66.05	
141	Stonechat	Saxicola rubicola	344	90.53	
142	Wheatear	Oenanthe oenanthe	313	82.37	
143	House Sparrow	Passer domesticus	368	96.84	
144	Dunnock	Prunella modularis	366	96.32	
145	Yellow Wagtail	Motacilla flava	277	72.89	
146	Grey Wagtail	Motacilla cinerea	340	89.47	
147	Pied Wagtail	Motacilla alba	362	95.26	
148	Meadow Pipit	Anthus pratensis	343	90.26	
149	Tree Pipit	Anthus trivialis	233	61.32	
150	Chaffinch	Fringilla coelebs	367	96.58	
151	Brambling	Fringilla montifringilla	282	74.21	
152	Hawfinch	Coccothraustes coccothraustes	168	44.21	
153	Bullfinch	Pyrrhula pyrrhula	344	90.53	
154	Greenfinch	Chloris chloris	355	93.42	
155	Linnet	Linaria cannabina	348	91.58	
156	Lesser Redpoll	Acanthis cabaret	261	68.68	
157	Common Crossbill	Loxia curvirostra	240	63.16	
158	Goldfinch	Carduelis carduelis	364	95.79	
159	Siskin	Spinus spinus	328	86.32	
160	Corn Bunting	Emberiza calandra	233	61.32	
161	Yellowhammer	Emberiza citrinella	325	85.53	
162	Reed Bunting	Emberiza schoeniclus	352	92.63