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さく&ゆう | Goldenweek BigDay 2025

Prefectures covered:Hokkaido

OSJ8

Number of orders recorded: 11
Number of families recorded: 29
Number of genera recorded: 63
Number of species recorded: 80

Observed species (native species)
#

  1. Tundra Bean Goose (Anser fabalis)
  2. Greater White-fronted Goose (Anser albifrons)
  3. Whooper Swan (Cygnus cygnus)
  4. Northern Shoveler (Spatula clypeata)
  5. Gadwall (Mareca strepera)
  6. Falcated Duck (Mareca falcata)
  7. Eurasian Wigeon (Mareca penelope)
  8. Eastern Spot-billed Duck (Anas zonorhyncha)
  9. Mallard (Anas platyrhynchos)
  10. Northern Pintail (Anas acuta)
  11. Eurasian Teal (Anas crecca)
  12. Tufted Duck (Aythya fuligula)
  13. Greater Scaup (Aythya marila)
  14. Harlequin Duck (Histrionicus histrionicus)
  15. Common Goldeneye (Bucephala clangula)
  16. Smew (Mergellus albellus)
  17. Common Merganser (Mergus merganser)
  18. Red-breasted Merganser (Mergus serrator)
  19. Oriental Turtle Dove (Streptopelia orientalis)
  20. Red-crowned Crane (Grus japonensis) New
  21. Red-necked Grebe (Podiceps grisegena)
  22. Little Ringed Plover (Charadrius dubius)
  23. Far Eastern Curlew (Numenius madagascariensis) New
  24. Bar-tailed Godwit (Limosa lapponica)
  25. Latham’s Snipe (Gallinago hardwickii) New
  26. Common Sandpiper (Actitis hypoleucos)
  27. Common Greenshank (Tringa nebularia)
  28. Black-headed Gull (Chroicocephalus ridibundus)
  29. Vega Gull (Larus vegae)
  30. Slaty-backed Gull (Larus schistisagus)
  31. Spectacled Guillemot (Cepphus carbo)
  32. Rhinoceros Auklet (Cerorhinca monocerata)
  33. Pelagic Cormorant (Urile pelagicus)
  34. Japanese Cormorant (Phalacrocorax capillatus)
  35. Great Cormorant (Phalacrocorax carbo)
  36. Grey Heron (Ardea cinerea)
  37. Black Kite (Milvus migrans)
  38. Steller’s Sea Eagle (Haliaeetus pelagicus)
  39. White-tailed Eagle (Haliaeetus albicilla)
  40. Eastern Buzzard (Buteo japonicus)
  41. Common Kingfisher (Alcedo atthis)
  42. Crested Kingfisher (Megaceryle lugubris)
  43. Japanese Pygmy Woodpecker (Yungipicus kizuki)
  44. Great Spotted Woodpecker (Dendrocopos major)
  45. Grey-headed Woodpecker (Picus canus)
  46. Bull-headed Shrike (Lanius bucephalus)
  47. Eurasian Jay (Garrulus glandarius)
  48. Carrion Crow (Corvus corone)
  49. Large-billed Crow (Corvus macrorhynchos)
  50. Coal Tit (Periparus ater)
  51. Varied Tit (Sittiparus varius)
  52. Japanese Tit (Parus cinereus)
  53. Eurasian Skylark (Alauda arvensis)
  54. Brown-eared Bulbul (Hypsipetes amaurotis)
  55. Japanese Bush Warbler (Horornis diphone)
  56. Asian Stubtail (Urosphena squameiceps)
  57. Long-tailed Tit (Aegithalos caudatus)
  58. Eurasian Nuthatch (Sitta europaea)
  59. White-cheeked Starling (Spodiopsar cineraceus)
  60. Brown-headed Thrush (Turdus chrysolaus)
  61. Dusky Thrush (Turdus eunomus)
  62. Japanese Robin (Larvivora akahige) New
  63. Red-flanked Bluetail (Tarsiger cyanurus)
  64. Blue Rock Thrush (Monticola solitarius)
  65. Stejneger’s Stonechat (Saxicola stejnegeri)
  66. Brown Dipper (Cinclus pallasii)
  67. Russet Sparrow (Passer cinnamomeus)
  68. Eurasian Tree Sparrow (Passer montanus)
  69. Grey Wagtail (Motacilla cinerea)
  70. White Wagtail (Motacilla alba)
  71. Japanese Wagtail (Motacilla grandis)
  72. Water Pipit (Anthus rubescens)
  73. Hawfinch (Coccothraustes coccothraustes)
  74. Pine Grosbeak (Pinicola enucleator) New
  75. Asian Rosy Finch (Leucosticte arctoa)
  76. Long-tailed Rosefinch (Carpodacus sibiricus)
  77. Grey-capped Greenfinch (Chloris sinica)
  78. Eurasian Siskin (Spinus spinus)
  79. Chestnut-eared Bunting (Emberiza fucata)
  80. Masked Bunting (Emberiza personata)

Observed species (introduced species)
#

No data

Team comments
#

4月30日の18:00から5月1日の18:00に参加しました。

4月30日のスタート時点では少し明るかったので網走漁港に行き、海鳥をすこし回収しました

夜は、能取岬でねて、早朝の鳥見に備えました。能取岬ではハギマシコの群れがみれ、ホオアカ、ノビタキ、オジロワシ。海岸にはシノリガモ、ウミアイサ。探すとアカエリカイツブリも観れました。そのあと、小清水などの畑を通り、根室のほうに行こうかと思いましたが、遠かったので中標津くらいで折り返しました。山間部では、思いがけずギンザンマシコがみれてとても興奮しました。道路にヤマゲラが下りてたりして北海道を感じれました。時間があり、知床でケイマフリ、ウトウが見れる場所があるので、行くと想定通りみれ、種数を稼ぐことができました。

帰りにとうふつ湖により、シギチでも回収できないかと思いいくと、オオソリハシシギの群れがいてとても感動しました。夏羽の個体もいてよかったです。ダブりと外来種で81種?になってしまいましたがとてもたのしい24時間でした。次は100種目指したいです。