Geoffrey Raby: Britain Year List 2023 BOU, All records: Top Blockers Record(s) 1 to 70 of 70 total. Seq.,Species,Scientific Name,Seen By Other Listers,Other Listers (%) 1,Canada Goose,Branta canadensis,487,98.19 2,Greylag Goose,Anser anser,481,96.98 3,Mute Swan,Cygnus olor,490,98.79 4,Egyptian Goose,Alopochen aegyptiaca,391,78.83 5,Mandarin Duck,Aix galericulata,346,69.76 6,Shoveler,Spatula clypeata,468,94.35 7,Wigeon,Mareca penelope,472,95.16 8,Mallard,Anas platyrhynchos,489,98.59 9,Teal,Anas crecca,478,96.37 10,Tufted Duck,Aythya fuligula,478,96.37 11,Goosander,Mergus merganser,434,87.50 12,Pheasant,Phasianus colchicus,483,97.38 13,Swift,Apus apus,443,89.31 14,Rock Dove (Feral Pigeon),Columba livia,417,84.07 15,Woodpigeon,Columba palumbus,490,98.79 16,Collared Dove,Streptopelia decaocto,484,97.58 17,Moorhen,Gallinula chloropus,488,98.39 18,Coot,Fulica atra,483,97.38 19,Great Crested Grebe,Podiceps cristatus,467,94.15 20,Oystercatcher,Haematopus ostralegus,471,94.96 21,Little Ringed Plover,Charadrius dubius,373,75.20 22,Lapwing,Vanellus vanellus,479,96.57 23,Common Tern,Sterna hirundo,406,81.85 24,Black-headed Gull,Chroicocephalus ridibundus,485,97.78 25,Common Gull,Larus canus,461,92.94 26,Herring Gull,Larus argentatus,483,97.38 27,Lesser Black-backed Gull,Larus fuscus,462,93.15 28,Cormorant,Phalacrocorax carbo,485,97.78 29,Little Egret,Egretta garzetta,473,95.36 30,Grey Heron,Ardea cinerea,484,97.58 31,Buzzard,Buteo buteo,487,98.19 32,Green Woodpecker,Picus viridis,406,81.85 33,Kestrel,Falco tinnunculus,486,97.98 34,Ring-necked Parakeet,Psittacula krameri,326,65.73 35,Jay,Garrulus glandarius,470,94.76 36,Magpie,Pica pica,490,98.79 37,Jackdaw,Coloeus monedula,488,98.39 38,Carrion Crow,Corvus corone,489,98.59 39,Coal Tit,Periparus ater,468,94.35 40,Blue Tit,Cyanistes caeruleus,488,98.39 41,Great Tit,Parus major,487,98.19 42,Skylark,Alauda arvensis,469,94.56 43,Sand Martin,Riparia riparia,443,89.31 44,Swallow,Hirundo rustica,453,91.33 45,House Martin,Delichon urbicum,444,89.52 46,Cetti's Warbler,Cettia cetti,419,84.48 47,Long-tailed Tit,Aegithalos caudatus,483,97.38 48,Willow Warbler,Phylloscopus trochilus,425,85.69 49,Chiffchaff,Phylloscopus collybita,465,93.75 50,Reed Warbler,Acrocephalus scirpaceus,388,78.23 51,Blackcap,Sylvia atricapilla,457,92.14 52,Garden Warbler,Sylvia borin,365,73.59 53,Whitethroat,Curruca communis,428,86.29 54,Wren,Troglodytes troglodytes,486,97.98 55,Nuthatch,Sitta europaea,447,90.12 56,Starling,Sturnus vulgaris,487,98.19 57,Song Thrush,Turdus philomelos,472,95.16 58,Mistle Thrush,Turdus viscivorus,452,91.13 59,Redwing,Turdus iliacus,467,94.15 60,Blackbird,Turdus merula,490,98.79 61,Robin,Erithacus rubecula,485,97.78 62,House Sparrow,Passer domesticus,488,98.39 63,Dunnock,Prunella modularis,481,96.98 64,Pied Wagtail,Motacilla alba,479,96.57 65,Chaffinch,Fringilla coelebs,484,97.58 66,Bullfinch,Pyrrhula pyrrhula,435,87.70 67,Greenfinch,Chloris chloris,471,94.96 68,Goldfinch,Carduelis carduelis,486,97.98 69,Siskin,Spinus spinus,425,85.69 70,Reed Bunting,Emberiza schoeniclus,463,93.35