Darrell j Prest: England Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 182 of 182 total.
Seq.	Species	Scientific Name	Seen By Other Listers	Other Listers (%)	
1	Brent Goose	Branta bernicla	3	27.27	
2	Canada Goose	Branta canadensis	9	81.82	
3	Greylag Goose	Anser anser	8	72.73	
4	Pink-footed Goose	Anser brachyrhynchus	5	45.45	
5	Mute Swan	Cygnus olor	8	72.73	
6	Whooper Swan	Cygnus cygnus	4	36.36	
7	Shelduck	Tadorna tadorna	7	63.64	
8	Shoveler	Spatula clypeata	7	63.64	
9	Gadwall	Mareca strepera	7	63.64	
10	Wigeon	Mareca penelope	8	72.73	
11	Mallard	Anas platyrhynchos	9	81.82	
12	Pintail	Anas acuta	5	45.45	
13	Teal	Anas crecca	8	72.73	
14	Green-winged Teal	Anas carolinensis	1	9.09	
15	Pochard	Aythya ferina	6	54.55	
16	Ring-necked Duck	Aythya collaris	1	9.09	
17	Tufted Duck	Aythya fuligula	8	72.73	
18	Eider	Somateria mollissima	5	45.45	
19	Common Scoter	Melanitta nigra	4	36.36	
20	Goldeneye	Bucephala clangula	5	45.45	
21	Goosander	Mergus merganser	7	63.64	
22	Red-breasted Merganser	Mergus serrator	3	27.27	
23	Red Grouse	Lagopus lagopus	3	27.27	
24	Grey Partridge	Perdix perdix	4	36.36	
25	Pheasant	Phasianus colchicus	9	81.82	
26	Red-legged Partridge	Alectoris rufa	7	63.64	
27	Swift	Apus apus	7	63.64	
28	Cuckoo	Cuculus canorus	5	45.45	
29	Rock Dove (Feral Pigeon)	Columba livia	9	81.82	
30	Stock Dove	Columba oenas	8	72.73	
31	Woodpigeon	Columba palumbus	10	90.91	
32	Collared Dove	Streptopelia decaocto	9	81.82	
33	Water Rail	Rallus aquaticus	5	45.45	
34	Moorhen	Gallinula chloropus	8	72.73	
35	Coot	Fulica atra	8	72.73	
36	Little Grebe	Tachybaptus ruficollis	7	63.64	
37	Great Crested Grebe	Podiceps cristatus	6	54.55	
38	Slavonian Grebe	Podiceps auritus	3	27.27	
39	Black-necked Grebe	Podiceps nigricollis	4	36.36	
40	Stone-curlew	Burhinus oedicnemus	1	9.09	
41	Oystercatcher	Haematopus ostralegus	8	72.73	
42	Avocet	Recurvirostra avosetta	5	45.45	
43	Grey Plover	Pluvialis squatarola	6	54.55	
44	Golden Plover	Pluvialis apricaria	7	63.64	
45	Ringed Plover	Charadrius hiaticula	4	36.36	
46	Little Ringed Plover	Charadrius dubius	5	45.45	
47	Lapwing	Vanellus vanellus	7	63.64	
48	White-tailed Plover	Vanellus leucurus	2	18.18	
49	Eurasian Whimbrel	Numenius phaeopus	3	27.27	
50	Curlew	Numenius arquata	8	72.73	
51	Black-tailed Godwit	Limosa limosa	4	36.36	
52	Snipe	Gallinago gallinago	7	63.64	
53	Common Sandpiper	Actitis hypoleucos	6	54.55	
54	Green Sandpiper	Tringa ochropus	5	45.45	
55	Redshank	Tringa totanus	6	54.55	
56	Spotted Redshank	Tringa erythropus	3	27.27	
57	Greenshank	Tringa nebularia	6	54.55	
58	Turnstone	Arenaria interpres	7	63.64	
59	Knot	Calidris canutus	4	36.36	
60	Ruff	Calidris pugnax	5	45.45	
61	Long-toed Stint	Calidris subminuta	2	18.18	
62	Sanderling	Calidris alba	6	54.55	
63	Dunlin	Calidris alpina	5	45.45	
64	Little Stint	Calidris minuta	4	36.36	
65	Little Tern	Sternula albifrons	4	36.36	
66	Arctic Tern	Sterna paradisaea	4	36.36	
67	Common Tern	Sterna hirundo	6	54.55	
68	Roseate Tern	Sterna dougallii	2	18.18	
69	Sandwich Tern	Thalasseus sandvicensis	6	54.55	
70	Little Gull	Hydrocoloeus minutus	3	27.27	
71	Kittiwake	Rissa tridactyla	5	45.45	
72	Black-headed Gull	Chroicocephalus ridibundus	10	90.91	
73	Mediterranean Gull	Ichthyaetus melanocephalus	6	54.55	
74	Common Gull	Larus canus	6	54.55	
75	Caspian Gull	Larus cachinnans	1	9.09	
76	Herring Gull	Larus argentatus	9	81.82	
77	Yellow-legged Gull	Larus michahellis	3	27.27	
78	Great Black-backed Gull	Larus marinus	7	63.64	
79	Lesser Black-backed Gull	Larus fuscus	8	72.73	
80	Long-tailed Skua	Stercorarius longicaudus	1	9.09	
81	Puffin	Fratercula arctica	4	36.36	
82	Razorbill	Alca torda	5	45.45	
83	Common Guillemot	Uria aalge	5	45.45	
84	Red-throated Diver	Gavia stellata	4	36.36	
85	Black-browed Albatross	Thalassarche melanophris	3	27.27	
86	Fulmar	Fulmarus glacialis	3	27.27	
87	Gannet	Morus bassanus	5	45.45	
88	Cormorant	Phalacrocorax carbo	8	72.73	
89	Shag	Gulosus aristotelis	4	36.36	
90	Spoonbill	Platalea leucorodia	6	54.55	
91	Bittern	Botaurus stellaris	4	36.36	
92	Little Egret	Egretta garzetta	7	63.64	
93	Cattle Egret	Bubulcus ibis	3	27.27	
94	Great White Egret	Ardea alba	4	36.36	
95	Grey Heron	Ardea cinerea	8	72.73	
96	Osprey	Pandion haliaetus	3	27.27	
97	Honey-buzzard	Pernis apivorus	1	9.09	
98	Sparrowhawk	Accipiter nisus	9	81.82	
99	Marsh Harrier	Circus aeruginosus	7	63.64	
100	Red Kite	Milvus milvus	7	63.64	
101	Buzzard	Buteo buteo	9	81.82	
102	Barn Owl	Tyto alba	5	45.45	
103	Little Owl	Athene noctua	5	45.45	
104	Short-eared Owl	Asio flammeus	4	36.36	
105	Tawny Owl	Strix aluco	6	54.55	
106	Kingfisher	Alcedo atthis	6	54.55	
107	Great Spotted Woodpecker	Dendrocopos major	9	81.82	
108	Green Woodpecker	Picus viridis	7	63.64	
109	Kestrel	Falco tinnunculus	8	72.73	
110	Merlin	Falco columbarius	4	36.36	
111	Hobby	Falco subbuteo	6	54.55	
112	Peregrine	Falco peregrinus	6	54.55	
113	Ring-necked Parakeet	Psittacula krameri	6	54.55	
114	Red-backed Shrike	Lanius collurio	1	9.09	
115	Jay	Garrulus glandarius	7	63.64	
116	Magpie	Pica pica	10	90.91	
117	Jackdaw	Coloeus monedula	8	72.73	
118	Rook	Corvus frugilegus	8	72.73	
119	Carrion Crow	Corvus corone	10	90.91	
120	Raven	Corvus corax	6	54.55	
121	Coal Tit	Periparus ater	9	81.82	
122	Blue Tit	Cyanistes caeruleus	10	90.91	
123	Great Tit	Parus major	9	81.82	
124	Bearded Tit	Panurus biarmicus	5	45.45	
125	Skylark	Alauda arvensis	7	63.64	
126	Sand Martin	Riparia riparia	6	54.55	
127	Swallow	Hirundo rustica	6	54.55	
128	House Martin	Delichon urbicum	6	54.55	
129	Cetti's Warbler	Cettia cetti	6	54.55	
130	Long-tailed Tit	Aegithalos caudatus	9	81.82	
131	Willow Warbler	Phylloscopus trochilus	6	54.55	
132	Chiffchaff	Phylloscopus collybita	6	54.55	
133	Green Warbler	Phylloscopus nitidus	1	9.09	
134	Two-barred Greenish Warbler	Phylloscopus plumbeitarsus	1	9.09	
135	Sedge Warbler	Acrocephalus schoenobaenus	5	45.45	
136	Reed Warbler	Acrocephalus scirpaceus	6	54.55	
137	Grasshopper Warbler	Locustella naevia	4	36.36	
138	Blackcap	Sylvia atricapilla	6	54.55	
139	Garden Warbler	Sylvia borin	3	27.27	
140	Whitethroat	Curruca communis	6	54.55	
141	Dartford Warbler	Curruca undata	2	18.18	
142	Goldcrest	Regulus regulus	7	63.64	
143	Wren	Troglodytes troglodytes	10	90.91	
144	Nuthatch	Sitta europaea	6	54.55	
145	Treecreeper	Certhia familiaris	5	45.45	
146	Starling	Sturnus vulgaris	10	90.91	
147	Song Thrush	Turdus philomelos	10	90.91	
148	Mistle Thrush	Turdus viscivorus	7	63.64	
149	Redwing	Turdus iliacus	7	63.64	
150	Blackbird	Turdus merula	9	81.82	
151	Fieldfare	Turdus pilaris	8	72.73	
152	Robin	Erithacus rubecula	10	90.91	
153	Taiga Flycatcher	Ficedula albicilla	1	9.09	
154	Pied Flycatcher	Ficedula hypoleuca	4	36.36	
155	Red-flanked Bluetail	Tarsiger cyanurus	1	9.09	
156	Black Redstart	Phoenicurus ochruros	3	27.27	
157	Redstart	Phoenicurus phoenicurus	3	27.27	
158	Whinchat	Saxicola rubetra	3	27.27	
159	Stonechat	Saxicola rubicola	7	63.64	
160	Wheatear	Oenanthe oenanthe	5	45.45	
161	Dipper	Cinclus cinclus	4	36.36	
162	Tree Sparrow	Passer montanus	5	45.45	
163	House Sparrow	Passer domesticus	10	90.91	
164	Dunnock	Prunella modularis	10	90.91	
165	Yellow Wagtail	Motacilla flava	6	54.55	
166	Grey Wagtail	Motacilla cinerea	5	45.45	
167	Pied Wagtail	Motacilla alba	7	63.64	
168	Meadow Pipit	Anthus pratensis	8	72.73	
169	Water Pipit	Anthus spinoletta	3	27.27	
170	Rock Pipit	Anthus petrosus	5	45.45	
171	Chaffinch	Fringilla coelebs	10	90.91	
172	Bullfinch	Pyrrhula pyrrhula	7	63.64	
173	Greenfinch	Chloris chloris	7	63.64	
174	Twite	Linaria flavirostris	3	27.27	
175	Linnet	Linaria cannabina	8	72.73	
176	Common Redpoll	Acanthis flammea	1	9.09	
177	Goldfinch	Carduelis carduelis	10	90.91	
178	Siskin	Spinus spinus	7	63.64	
179	Snow Bunting	Plectrophenax nivalis	4	36.36	
180	Corn Bunting	Emberiza calandra	5	45.45	
181	Yellowhammer	Emberiza citrinella	5	45.45	
182	Reed Bunting	Emberiza schoeniclus	7	63.64