Mark Platt: Yorkshire Life List BOU, All records: Top Blockers Record(s) 1 to 93 of 93 total.
Seq.	Species	Scientific Name	Seen By Other Listers	Other Listers (%)	
1	Canada Goose	Branta canadensis	106	94.64	
2	Barnacle Goose	Branta leucopsis	95	84.82	
3	Greylag Goose	Anser anser	108	96.43	
4	Mute Swan	Cygnus olor	107	95.54	
5	Whooper Swan	Cygnus cygnus	97	86.61	
6	Egyptian Goose	Alopochen aegyptiaca	83	74.11	
7	Shelduck	Tadorna tadorna	108	96.43	
8	Mandarin Duck	Aix galericulata	91	81.25	
9	Shoveler	Spatula clypeata	106	94.64	
10	Gadwall	Mareca strepera	106	94.64	
11	Wigeon	Mareca penelope	108	96.43	
12	American Wigeon	Mareca americana	79	70.54	
13	Mallard	Anas platyrhynchos	108	96.43	
14	Pintail	Anas acuta	98	87.50	
15	Teal	Anas crecca	106	94.64	
16	Pochard	Aythya ferina	106	94.64	
17	Tufted Duck	Aythya fuligula	107	95.54	
18	Scaup	Aythya marila	93	83.04	
19	Common Scoter	Melanitta nigra	103	91.96	
20	Goldeneye	Bucephala clangula	105	93.75	
21	Goosander	Mergus merganser	103	91.96	
22	Pheasant	Phasianus colchicus	108	96.43	
23	Red-legged Partridge	Alectoris rufa	104	92.86	
24	Rock Dove (Feral Pigeon)	Columba livia	98	87.50	
25	Stock Dove	Columba oenas	106	94.64	
26	Woodpigeon	Columba palumbus	108	96.43	
27	Collared Dove	Streptopelia decaocto	107	95.54	
28	Water Rail	Rallus aquaticus	100	89.29	
29	Moorhen	Gallinula chloropus	108	96.43	
30	Coot	Fulica atra	107	95.54	
31	Great Crested Grebe	Podiceps cristatus	107	95.54	
32	Black-necked Grebe	Podiceps nigricollis	94	83.93	
33	Oystercatcher	Haematopus ostralegus	106	94.64	
34	Lapwing	Vanellus vanellus	107	95.54	
35	Curlew	Numenius arquata	107	95.54	
36	Redshank	Tringa totanus	106	94.64	
37	Black Tern	Chlidonias niger	94	83.93	
38	White-winged Black Tern	Chlidonias leucopterus	67	59.82	
39	Arctic Tern	Sterna paradisaea	97	86.61	
40	Black-headed Gull	Chroicocephalus ridibundus	107	95.54	
41	Common Gull	Larus canus	105	93.75	
42	Herring Gull	Larus argentatus	107	95.54	
43	Spoonbill	Platalea leucorodia	93	83.04	
44	Little Egret	Egretta garzetta	103	91.96	
45	Cattle Egret	Bubulcus ibis	80	71.43	
46	Great White Egret	Ardea alba	93	83.04	
47	Grey Heron	Ardea cinerea	106	94.64	
48	Marsh Harrier	Circus aeruginosus	102	91.07	
49	Red Kite	Milvus milvus	103	91.96	
50	Buzzard	Buteo buteo	106	94.64	
51	Barn Owl	Tyto alba	105	93.75	
52	Short-eared Owl	Asio flammeus	103	91.96	
53	Kestrel	Falco tinnunculus	107	95.54	
54	Hobby	Falco subbuteo	98	87.50	
55	Jay	Garrulus glandarius	103	91.96	
56	Magpie	Pica pica	108	96.43	
57	Jackdaw	Coloeus monedula	107	95.54	
58	Rook	Corvus frugilegus	107	95.54	
59	Carrion Crow	Corvus corone	107	95.54	
60	Coal Tit	Periparus ater	105	93.75	
61	Marsh Tit	Poecile palustris	98	87.50	
62	Blue Tit	Cyanistes caeruleus	108	96.43	
63	Great Tit	Parus major	107	95.54	
64	Skylark	Alauda arvensis	107	95.54	
65	Sand Martin	Riparia riparia	108	96.43	
66	Cetti's Warbler	Cettia cetti	94	83.93	
67	Long-tailed Tit	Aegithalos caudatus	107	95.54	
68	Willow Warbler	Phylloscopus trochilus	105	93.75	
69	Chiffchaff	Phylloscopus collybita	106	94.64	
70	Reed Warbler	Acrocephalus scirpaceus	103	91.96	
71	Savi's Warbler	Locustella luscinioides	49	43.75	
72	Blackcap	Sylvia atricapilla	107	95.54	
73	Whitethroat	Curruca communis	106	94.64	
74	Goldcrest	Regulus regulus	105	93.75	
75	Wren	Troglodytes troglodytes	107	95.54	
76	Nuthatch	Sitta europaea	105	93.75	
77	Treecreeper	Certhia familiaris	103	91.96	
78	Starling	Sturnus vulgaris	107	95.54	
79	Song Thrush	Turdus philomelos	106	94.64	
80	Blackbird	Turdus merula	109	97.32	
81	Robin	Erithacus rubecula	107	95.54	
82	Tree Sparrow	Passer montanus	107	95.54	
83	House Sparrow	Passer domesticus	107	95.54	
84	Dunnock	Prunella modularis	107	95.54	
85	Yellow Wagtail	Motacilla flava	102	91.07	
86	Pied Wagtail	Motacilla alba	108	96.43	
87	Chaffinch	Fringilla coelebs	108	96.43	
88	Bullfinch	Pyrrhula pyrrhula	105	93.75	
89	Linnet	Linaria cannabina	107	95.54	
90	Lesser Redpoll	Acanthis cabaret	107	95.54	
91	Goldfinch	Carduelis carduelis	108	96.43	
92	Serin	Serinus serinus	40	35.71	
93	Reed Bunting	Emberiza schoeniclus	105	93.75