Alex Hartley: World Life List IOC, All records: Top Blockers Record(s) 1 to 27 of 27 total. Seq.,Species,Scientific Name,Seen By Other Listers,Other Listers (%) 1,Common Merganser,Mergus merganser,1183,76.67 2,Common Pheasant,Phasianus colchicus,1150,74.53 3,Common Swift,Apus apus,1171,75.89 4,Eurasian Collared Dove,Streptopelia decaocto,810,52.50 5,Great Cormorant,Phalacrocorax carbo,1169,75.76 6,Purple Heron,Ardea purpurea,1052,68.18 7,Great Spotted Woodpecker,Dendrocopos major,1141,73.95 8,European Green Woodpecker,Picus viridis,984,63.77 9,Nuthatch Vanga,Hypositta corallirostris,80,5.18 10,Eurasian Magpie,Pica pica,1084,70.25 11,Western Jackdaw,Coloeus monedula,1146,74.27 12,Hooded Crow,Corvus cornix,1038,67.27 13,Bohemian Waxwing,Bombycilla garrulus,1009,65.39 14,Great Tit,Parus major,1091,70.71 15,Sand Martin,Riparia riparia,1137,73.69 16,Barn Swallow,Hirundo rustica,1207,78.22 17,Western House Martin,Delichon urbicum,775,50.23 18,Long-tailed Tit,Aegithalos caudatus,1042,67.53 19,Moustached Warbler,Acrocephalus melanopogon,524,33.96 20,Melodious Warbler,Hippolais polyglotta,759,49.19 21,Common Blackbird,Turdus merula,1009,65.39 22,Spotted Flycatcher,Muscicapa striata,877,56.84 23,Common Nightingale,Luscinia megarhynchos,953,61.76 24,Black Redstart,Phoenicurus ochruros,1080,69.99 25,Eurasian Tree Sparrow,Passer montanus,1116,72.33 26,House Sparrow,Passer domesticus,1220,79.07 27,White Wagtail,Motacilla alba,1098,71.16