Kenneth Morrison: Marshside Marsh Life List BOU, All records: Top Blockers Record(s) 1 to 174 of 174 total.
Seq.	Species	Scientific Name	Seen By Other Listers	Other Listers (%)	
1	Brent Goose	Branta bernicla	2	66.67	
2	Red-breasted Goose	Branta ruficollis	1	33.33	
3	Canada Goose	Branta canadensis	2	66.67	
4	Barnacle Goose	Branta leucopsis	2	66.67	
5	Cackling Goose	Branta hutchinsii	2	66.67	
6	Snow Goose	Anser caerulescens	2	66.67	
7	Greylag Goose	Anser anser	3	100.00	
8	Taiga Bean Goose	Anser fabalis	1	33.33	
9	Pink-footed Goose	Anser brachyrhynchus	2	66.67	
10	Tundra Bean Goose	Anser serrirostris	2	66.67	
11	White-fronted Goose	Anser albifrons	2	66.67	
12	Lesser White-fronted Goose	Anser erythropus	1	33.33	
13	Mute Swan	Cygnus olor	3	100.00	
14	Bewick's Swan	Cygnus columbianus	2	66.67	
15	Whooper Swan	Cygnus cygnus	2	66.67	
16	Egyptian Goose	Alopochen aegyptiaca	1	33.33	
17	Shelduck	Tadorna tadorna	3	100.00	
18	Garganey	Spatula querquedula	2	66.67	
19	Shoveler	Spatula clypeata	3	100.00	
20	Gadwall	Mareca strepera	2	66.67	
21	Wigeon	Mareca penelope	3	100.00	
22	American Wigeon	Mareca americana	1	33.33	
23	Pintail	Anas acuta	2	66.67	
24	Teal	Anas crecca	3	100.00	
25	Green-winged Teal	Anas carolinensis	2	66.67	
26	Pochard	Aythya ferina	3	100.00	
27	Tufted Duck	Aythya fuligula	2	66.67	
28	Scaup	Aythya marila	2	66.67	
29	Lesser Scaup	Aythya affinis	2	66.67	
30	Eider	Somateria mollissima	2	66.67	
31	Common Scoter	Melanitta nigra	2	66.67	
32	Goldeneye	Bucephala clangula	2	66.67	
33	Goosander	Mergus merganser	1	33.33	
34	Pheasant	Phasianus colchicus	2	66.67	
35	Red-legged Partridge	Alectoris rufa	2	66.67	
36	Swift	Apus apus	2	66.67	
37	Cuckoo	Cuculus canorus	2	66.67	
38	Rock Dove (Feral Pigeon)	Columba livia	2	66.67	
39	Stock Dove	Columba oenas	2	66.67	
40	Woodpigeon	Columba palumbus	2	66.67	
41	Collared Dove	Streptopelia decaocto	2	66.67	
42	Water Rail	Rallus aquaticus	2	66.67	
43	Moorhen	Gallinula chloropus	3	100.00	
44	Coot	Fulica atra	2	66.67	
45	Little Grebe	Tachybaptus ruficollis	3	100.00	
46	Oystercatcher	Haematopus ostralegus	3	100.00	
47	Black-winged Stilt	Himantopus himantopus	2	66.67	
48	Avocet	Recurvirostra avosetta	2	66.67	
49	Grey Plover	Pluvialis squatarola	2	66.67	
50	Golden Plover	Pluvialis apricaria	2	66.67	
51	American Golden Plover	Pluvialis dominica	2	66.67	
52	Ringed Plover	Charadrius hiaticula	2	66.67	
53	Little Ringed Plover	Charadrius dubius	2	66.67	
54	Lapwing	Vanellus vanellus	3	100.00	
55	Eurasian Whimbrel	Numenius phaeopus	2	66.67	
56	Curlew	Numenius arquata	2	66.67	
57	Bar-tailed Godwit	Limosa lapponica	3	100.00	
58	Black-tailed Godwit	Limosa limosa	2	66.67	
59	Long-billed Dowitcher	Limnodromus scolopaceus	2	66.67	
60	Jack Snipe	Lymnocryptes minimus	2	66.67	
61	Snipe	Gallinago gallinago	2	66.67	
62	Grey Phalarope	Phalaropus fulicarius	2	66.67	
63	Red-necked Phalarope	Phalaropus lobatus	2	66.67	
64	Common Sandpiper	Actitis hypoleucos	2	66.67	
65	Green Sandpiper	Tringa ochropus	2	66.67	
66	Wood Sandpiper	Tringa glareola	2	66.67	
67	Redshank	Tringa totanus	3	100.00	
68	Lesser Yellowlegs	Tringa flavipes	2	66.67	
69	Spotted Redshank	Tringa erythropus	2	66.67	
70	Greenshank	Tringa nebularia	2	66.67	
71	Turnstone	Arenaria interpres	2	66.67	
72	Knot	Calidris canutus	2	66.67	
73	Ruff	Calidris pugnax	2	66.67	
74	Broad-billed Sandpiper	Calidris falcinellus	2	66.67	
75	Curlew Sandpiper	Calidris ferruginea	2	66.67	
76	Temminck's Stint	Calidris temminckii	2	66.67	
77	Buff-breasted Sandpiper	Calidris subruficollis	1	33.33	
78	Sanderling	Calidris alba	2	66.67	
79	Dunlin	Calidris alpina	3	100.00	
80	Little Stint	Calidris minuta	2	66.67	
81	Pectoral Sandpiper	Calidris melanotos	2	66.67	
82	Black Tern	Chlidonias niger	2	66.67	
83	Arctic Tern	Sterna paradisaea	2	66.67	
84	Common Tern	Sterna hirundo	2	66.67	
85	Sandwich Tern	Thalasseus sandvicensis	1	33.33	
86	Little Gull	Hydrocoloeus minutus	2	66.67	
87	Kittiwake	Rissa tridactyla	2	66.67	
88	Black-headed Gull	Chroicocephalus ridibundus	3	100.00	
89	Mediterranean Gull	Ichthyaetus melanocephalus	2	66.67	
90	Common Gull	Larus canus	2	66.67	
91	Herring Gull	Larus argentatus	2	66.67	
92	Great Black-backed Gull	Larus marinus	2	66.67	
93	Lesser Black-backed Gull	Larus fuscus	2	66.67	
94	Cormorant	Phalacrocorax carbo	2	66.67	
95	Glossy Ibis	Plegadis falcinellus	2	66.67	
96	Spoonbill	Platalea leucorodia	2	66.67	
97	Little Egret	Egretta garzetta	3	100.00	
98	Cattle Egret	Bubulcus ibis	2	66.67	
99	Great White Egret	Ardea alba	2	66.67	
100	Grey Heron	Ardea cinerea	2	66.67	
101	Purple Heron	Ardea purpurea	1	33.33	
102	Osprey	Pandion haliaetus	2	66.67	
103	Sparrowhawk	Accipiter nisus	2	66.67	
104	Marsh Harrier	Circus aeruginosus	2	66.67	
105	Hen Harrier	Circus cyaneus	2	66.67	
106	Red Kite	Milvus milvus	1	33.33	
107	Buzzard	Buteo buteo	2	66.67	
108	Barn Owl	Tyto alba	2	66.67	
109	Short-eared Owl	Asio flammeus	2	66.67	
110	Kingfisher	Alcedo atthis	2	66.67	
111	Great Spotted Woodpecker	Dendrocopos major	2	66.67	
112	Kestrel	Falco tinnunculus	2	66.67	
113	Merlin	Falco columbarius	2	66.67	
114	Hobby	Falco subbuteo	2	66.67	
115	Peregrine	Falco peregrinus	2	66.67	
116	Ring-necked Parakeet	Psittacula krameri	1	33.33	
117	Jay	Garrulus glandarius	2	66.67	
118	Magpie	Pica pica	3	100.00	
119	Jackdaw	Coloeus monedula	2	66.67	
120	Carrion Crow	Corvus corone	2	66.67	
121	Hooded Crow	Corvus cornix	2	66.67	
122	Raven	Corvus corax	2	66.67	
123	Coal Tit	Periparus ater	2	66.67	
124	Blue Tit	Cyanistes caeruleus	2	66.67	
125	Great Tit	Parus major	2	66.67	
126	Bearded Tit	Panurus biarmicus	2	66.67	
127	Skylark	Alauda arvensis	2	66.67	
128	Sand Martin	Riparia riparia	2	66.67	
129	Swallow	Hirundo rustica	2	66.67	
130	House Martin	Delichon urbicum	2	66.67	
131	Cetti's Warbler	Cettia cetti	2	66.67	
132	Long-tailed Tit	Aegithalos caudatus	2	66.67	
133	Wood Warbler	Phylloscopus sibilatrix	1	33.33	
134	Willow Warbler	Phylloscopus trochilus	2	66.67	
135	Chiffchaff	Phylloscopus collybita	2	66.67	
136	Sedge Warbler	Acrocephalus schoenobaenus	2	66.67	
137	Reed Warbler	Acrocephalus scirpaceus	2	66.67	
138	Grasshopper Warbler	Locustella naevia	2	66.67	
139	Blackcap	Sylvia atricapilla	2	66.67	
140	Lesser Whitethroat	Curruca curruca	1	33.33	
141	Whitethroat	Curruca communis	2	66.67	
142	Goldcrest	Regulus regulus	2	66.67	
143	Wren	Troglodytes troglodytes	2	66.67	
144	Treecreeper	Certhia familiaris	1	33.33	
145	Starling	Sturnus vulgaris	2	66.67	
146	Song Thrush	Turdus philomelos	2	66.67	
147	Mistle Thrush	Turdus viscivorus	2	66.67	
148	Redwing	Turdus iliacus	2	66.67	
149	Blackbird	Turdus merula	2	66.67	
150	Fieldfare	Turdus pilaris	2	66.67	
151	Ring Ouzel	Turdus torquatus	2	66.67	
152	Spotted Flycatcher	Muscicapa striata	2	66.67	
153	Robin	Erithacus rubecula	2	66.67	
154	Redstart	Phoenicurus phoenicurus	2	66.67	
155	Whinchat	Saxicola rubetra	2	66.67	
156	Stonechat	Saxicola rubicola	2	66.67	
157	Wheatear	Oenanthe oenanthe	2	66.67	
158	Tree Sparrow	Passer montanus	1	33.33	
159	House Sparrow	Passer domesticus	2	66.67	
160	Dunnock	Prunella modularis	2	66.67	
161	Yellow Wagtail	Motacilla flava	2	66.67	
162	Grey Wagtail	Motacilla cinerea	2	66.67	
163	Pied Wagtail	Motacilla alba	2	66.67	
164	Meadow Pipit	Anthus pratensis	2	66.67	
165	Water Pipit	Anthus spinoletta	2	66.67	
166	Rock Pipit	Anthus petrosus	2	66.67	
167	Chaffinch	Fringilla coelebs	2	66.67	
168	Greenfinch	Chloris chloris	2	66.67	
169	Twite	Linaria flavirostris	2	66.67	
170	Lesser Redpoll	Acanthis cabaret	1	33.33	
171	Common Crossbill	Loxia curvirostra	1	33.33	
172	Goldfinch	Carduelis carduelis	2	66.67	
173	Yellowhammer	Emberiza citrinella	1	33.33	
174	Reed Bunting	Emberiza schoeniclus	2	66.67