Amy Ross: Britain Life List BOU, All records: Top Blockers Record(s) 1 to 88 of 88 total.
Seq.	Species	Scientific Name	Seen By Other Listers	Other Listers (%)	
1	Canada Goose	Branta canadensis	2158	91.95	
2	Greylag Goose	Anser anser	2111	89.94	
3	Mute Swan	Cygnus olor	2177	92.76	
4	Shelduck	Tadorna tadorna	2105	89.69	
5	Mandarin Duck	Aix galericulata	1917	81.68	
6	Wigeon	Mareca penelope	2086	88.88	
7	Mallard	Anas platyrhynchos	2148	91.52	
8	Teal	Anas crecca	2093	89.18	
9	Pochard	Aythya ferina	2050	87.35	
10	Tufted Duck	Aythya fuligula	2100	89.48	
11	Red Grouse	Lagopus lagopus	1715	73.07	
12	Pheasant	Phasianus colchicus	2120	90.33	
13	Swift	Apus apus	2040	86.92	
14	Cuckoo	Cuculus canorus	1916	81.64	
15	Rock Dove (Feral Pigeon)	Columba livia	1882	80.19	
16	Woodpigeon	Columba palumbus	2101	89.52	
17	Collared Dove	Streptopelia decaocto	2068	88.11	
18	Moorhen	Gallinula chloropus	2108	89.82	
19	Coot	Fulica atra	2104	89.65	
20	Little Grebe	Tachybaptus ruficollis	2051	87.39	
21	Oystercatcher	Haematopus ostralegus	2075	88.41	
22	Avocet	Recurvirostra avosetta	1969	83.89	
23	Lapwing	Vanellus vanellus	2078	88.54	
24	Eurasian Whimbrel	Numenius phaeopus	1830	77.97	
25	Curlew	Numenius arquata	2044	87.09	
26	Redshank	Tringa totanus	2040	86.92	
27	Common Tern	Sterna hirundo	1967	83.81	
28	Black-headed Gull	Chroicocephalus ridibundus	2069	88.16	
29	Mediterranean Gull	Ichthyaetus melanocephalus	1833	78.10	
30	Common Gull	Larus canus	1986	84.62	
31	Herring Gull	Larus argentatus	2077	88.50	
32	Great Black-backed Gull	Larus marinus	1995	85.00	
33	Puffin	Fratercula arctica	1848	78.74	
34	Razorbill	Alca torda	1895	80.74	
35	Cormorant	Phalacrocorax carbo	2101	89.52	
36	Little Egret	Egretta garzetta	2063	87.90	
37	Grey Heron	Ardea cinerea	2095	89.26	
38	Sparrowhawk	Accipiter nisus	2040	86.92	
39	Red Kite	Milvus milvus	2030	86.49	
40	Buzzard	Buteo buteo	2085	88.84	
41	Great Spotted Woodpecker	Dendrocopos major	2044	87.09	
42	Kestrel	Falco tinnunculus	2077	88.50	
43	Ring-necked Parakeet	Psittacula krameri	1790	76.27	
44	Jay	Garrulus glandarius	2048	87.26	
45	Magpie	Pica pica	2089	89.01	
46	Chough	Pyrrhocorax pyrrhocorax	1643	70.00	
47	Jackdaw	Coloeus monedula	2069	88.16	
48	Rook	Corvus frugilegus	2039	86.88	
49	Carrion Crow	Corvus corone	2079	88.58	
50	Raven	Corvus corax	1956	83.34	
51	Coal Tit	Periparus ater	2038	86.83	
52	Marsh Tit	Poecile palustris	1813	77.25	
53	Blue Tit	Cyanistes caeruleus	2099	89.43	
54	Great Tit	Parus major	2088	88.96	
55	Skylark	Alauda arvensis	2000	85.22	
56	Sand Martin	Riparia riparia	1972	84.02	
57	Swallow	Hirundo rustica	2032	86.58	
58	House Martin	Delichon urbicum	2008	85.56	
59	Long-tailed Tit	Aegithalos caudatus	2065	87.98	
60	Chiffchaff	Phylloscopus collybita	2016	85.90	
61	Sedge Warbler	Acrocephalus schoenobaenus	1903	81.08	
62	Reed Warbler	Acrocephalus scirpaceus	1903	81.08	
63	Blackcap	Sylvia atricapilla	2000	85.22	
64	Whitethroat	Curruca communis	1942	82.74	
65	Goldcrest	Regulus regulus	2003	85.34	
66	Wren	Troglodytes troglodytes	2060	87.77	
67	Nuthatch	Sitta europaea	2017	85.94	
68	Treecreeper	Certhia familiaris	1998	85.13	
69	Starling	Sturnus vulgaris	2083	88.75	
70	Song Thrush	Turdus philomelos	2044	87.09	
71	Mistle Thrush	Turdus viscivorus	1979	84.32	
72	Redwing	Turdus iliacus	2004	85.39	
73	Blackbird	Turdus merula	2087	88.92	
74	Fieldfare	Turdus pilaris	1991	84.83	
75	Robin	Erithacus rubecula	2095	89.26	
76	Wheatear	Oenanthe oenanthe	1942	82.74	
77	House Sparrow	Passer domesticus	2068	88.11	
78	Dunnock	Prunella modularis	2062	87.86	
79	Grey Wagtail	Motacilla cinerea	1996	85.04	
80	Pied Wagtail	Motacilla alba	2065	87.98	
81	Chaffinch	Fringilla coelebs	2070	88.20	
82	Bullfinch	Pyrrhula pyrrhula	1995	85.00	
83	Greenfinch	Chloris chloris	2053	87.47	
84	Linnet	Linaria cannabina	1987	84.66	
85	Goldfinch	Carduelis carduelis	2079	88.58	
86	Corn Bunting	Emberiza calandra	1689	71.96	
87	Yellowhammer	Emberiza citrinella	1932	82.32	
88	Reed Bunting	Emberiza schoeniclus	1986	84.62