Goldenweek BigDay 2025 Results and Records

Overview

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Number of participating teams: 23
Prefectures with observations: 18
OSJ8

Number of orders recorded： 19
Number of families recorded： 57
Number of genera recorded： 152
Number of species recorded： 267
New species: 60

23チーム18都道府県 267種

2025年4月29日～5月5日にかけて行われたビッグデイの結果発表です。

今回参加していただいたチームは23チーム、フィールドになった都道府県は18!確認種数は267種でした!

ゴールデンウィークに開催するのは初めてですが、驚くべき種数になりました！

Rules

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ルールは次のようにしました。

開催期間内かつ任意の連続した24時間で、野鳥を何種類確認できるかを競う

種を確認=見る or 確実に種類が分かる形で聞く

対象種は日本鳥類目録第8版に準拠

参加は個人でもチームでも可。チームの場合、チーム全員が確認できた種のみ数える

Number of species by prefecture

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都道府県別の観察種数は以下の通りでした(確認種順、名前順、敬称略)。 青森県の162種が1位でした!! 「肉ジャガー」さんのとてつもないリストに、「もやりん」さんの海鳥が加わりすごい数になりました！

2位は北海道の137種で「かつふじ」さん、「コウの鳥」さん、「さく＆ゆう」さん「ホットシェフ」さんの貢献でした。タンチョウ、ヤマゲラ、ハシブトガラ、ギンザンマシコなど北海道ならではの種類が何種も確認されました。

3位は136種の新潟県でした。春の日本海側らしい種が確認されています。

Participating teams and species counts

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参加チームごとの観察種数は以下の通りでした(確認種順、名前順、敬称略)。 1位は「肉ジャガー」さんで種数は152種でした! 海鳥から山の鳥、猛禽からシギチ、離島のような種類まで驚きのリストです。

Species recorded by only one team

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他のチームが見つけられない希少種・見るのが難しい種類をより多く見つける事が出来たのはどのチームか？

第1位は 「肉ジャガー」さんの10種類でした!

ちなみに全22チームが観察した種類は、キジバト、ヒヨドリ、ハクセキレイの3種でした。21チームが観察したものはカルガモ、シジュウカラ、メジロ、スズメの4種でした。20チームが観察したものはアオサギ、トビ、ハシブトガラス、ツバメ、カワラヒワでした。

Achievements

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Observed species (native species)

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1. Japanese Sparrowhawk (Accipiter gularis)
2. Eurasian Sparrowhawk (Accipiter nisus)
3. Northern Goshawk (Accipiter gentilis)
4. Golden Eagle (Aquila chrysaetos)
5. Grey-faced Buzzard (Butastur indicus)
6. Upland Buzzard (Buteo hemilasius)
7. Eastern Buzzard (Buteo japonicus)
8. Eastern Marsh Harrier (Circus spilonotus)
9. Steller’s Sea Eagle (Haliaeetus pelagicus)
10. White-tailed Eagle (Haliaeetus albicilla)
11. Black Kite (Milvus migrans)
12. Mountain Hawk-Eagle (Nisaetus nipalensis)
13. Crested Honey Buzzard (Pernis ptilorhynchus) New
14. Western Osprey (Pandion haliaetus)
15. Mandarin Duck (Aix galericulata)
16. Eastern Spot-billed Duck (Anas zonorhyncha)
17. Mallard (Anas platyrhynchos)
18. Northern Pintail (Anas acuta)
19. Eurasian Teal (Anas crecca)
20. Tundra Bean Goose (Anser fabalis)
21. Greater White-fronted Goose (Anser albifrons)
22. Common Pochard (Aythya ferina)
23. Tufted Duck (Aythya fuligula)
24. Greater Scaup (Aythya marila)
25. Common Goldeneye (Bucephala clangula)
26. Tundra Swan (Cygnus columbianus)
27. Whooper Swan (Cygnus cygnus)
28. Harlequin Duck (Histrionicus histrionicus)
29. Gadwall (Mareca strepera)
30. Falcated Duck (Mareca falcata)
31. Eurasian Wigeon (Mareca penelope)
32. American Wigeon (Mareca americana)
33. Stejneger’s Scoter (Melanitta stejnegeri)
34. Black Scoter (Melanitta americana)
35. Smew (Mergellus albellus)
36. Common Merganser (Mergus merganser)
37. Red-breasted Merganser (Mergus serrator)
38. Garganey (Spatula querquedula)
39. Northern Shoveler (Spatula clypeata)
40. Pacific Swift (Apus pacificus) New
41. Spectacled Guillemot (Cepphus carbo)
42. Rhinoceros Auklet (Cerorhinca monocerata)
43. Ancient Murrelet (Synthliboramphus antiquus)
44. Long-billed Plover (Charadrius placidus)
45. Little Ringed Plover (Charadrius dubius)
46. Kentish Plover (Charadrius alexandrinus)
47. Lesser Sand Plover (Charadrius mongolus)
48. Pacific Golden Plover (Pluvialis fulva)
49. Grey Plover (Pluvialis squatarola)
50. Northern Lapwing (Vanellus vanellus)
51. Grey-headed Lapwing (Vanellus cinereus)
52. Oriental Pratincole (Glareola maldivarum) New
53. Eurasian Oystercatcher (Haematopus ostralegus)
54. Whiskered Tern (Chlidonias hybrida)
55. Black-headed Gull (Chroicocephalus ridibundus)
56. Black-tailed Gull (Larus crassirostris)
57. Mew Gull (Larus canus)
58. Glaucous Gull (Larus hyperboreus)
59. Vega Gull (Larus vegae)
60. Slaty-backed Gull (Larus schistisagus)
61. Aleutian Tern (Onychoprion aleuticus) New
62. Black-legged Kittiwake (Rissa tridactyla)
63. Little Tern (Sternula albifrons) New
64. Black-winged Stilt (Himantopus himantopus)
65. Common Sandpiper (Actitis hypoleucos)
66. Ruddy Turnstone (Arenaria interpres)
67. Great Knot (Calidris tenuirostris) New
68. Ruff (Calidris pugnax)
69. Sharp-tailed Sandpiper (Calidris acuminata) New
70. Long-toed Stint (Calidris subminuta)
71. Red-necked Stint (Calidris ruficollis)
72. Sanderling (Calidris alba)
73. Dunlin (Calidris alpina)
74. Latham’s Snipe (Gallinago hardwickii) New
75. Pin-tailed Snipe (Gallinago stenura) New
76. Common Snipe (Gallinago gallinago)
77. Bar-tailed Godwit (Limosa lapponica)
78. Black-tailed Godwit (Limosa limosa) New
79. Whimbrel (Numenius phaeopus)
80. Little Curlew (Numenius minutus) New
81. Far Eastern Curlew (Numenius madagascariensis) New
82. Red-necked Phalarope (Phalaropus lobatus) New
83. Red Phalarope (Phalaropus fulicarius) New
84. Eurasian Woodcock (Scolopax rusticola)
85. Amami Woodcock (Scolopax mira) New
86. Green Sandpiper (Tringa ochropus)
87. Grey-tailed Tattler (Tringa brevipes)
88. Common Redshank (Tringa totanus)
89. Marsh Sandpiper (Tringa stagnatilis)
90. Wood Sandpiper (Tringa glareola)
91. Spotted Redshank (Tringa erythropus)
92. Common Greenshank (Tringa nebularia)
93. Terek Sandpiper (Xenus cinereus)
94. Pomarine Jaeger (Stercorarius pomarinus)
95. Parasitic Jaeger (Stercorarius parasiticus) New
96. Long-tailed Jaeger (Stercorarius longicaudus) New
97. Oriental Stork (Ciconia boyciana)
98. Japanese Wood Pigeon (Columba janthina)
99. Oriental Turtle Dove (Streptopelia orientalis)
100. White-bellied Green Pigeon (Treron sieboldii)
101. Whistling Green Pigeon (Treron formosae)
102. Common Kingfisher (Alcedo atthis)
103. Ruddy Kingfisher (Halcyon coromanda) New
104. Crested Kingfisher (Megaceryle lugubris)
105. Oriental Dollarbird (Eurystomus orientalis) New
106. Himalayan Cuckoo (Cuculus optatus) New
107. Common Cuckoo (Cuculus canorus) New
108. Common Kestrel (Falco tinnunculus)
109. Peregrine Falcon (Falco peregrinus)
110. Japanese Quail (Coturnix japonica)
111. Green Pheasant (Phasianus versicolor)
112. Black-throated Loon (Gavia arctica)
113. Pacific Loon (Gavia pacifica)
114. Red-crowned Crane (Grus japonensis) New
115. White-breasted Waterhen (Amaurornis phoenicurus)
116. Swinhoe’s Rail (Coturnicops exquisitus)
117. Eurasian Coot (Fulica atra)
118. Common Moorhen (Gallinula chloropus)
119. Brown-cheeked Rail (Rallus indicus)
120. Ruddy-breasted Crake (Zapornia fusca)
121. Oriental Reed Warbler (Acrocephalus orientalis) New
122. Long-tailed Tit (Aegithalos caudatus)
123. Eurasian Skylark (Alauda arvensis)
124. Ashy Minivet (Pericrocotus divaricatus)
125. Ryukyu Minivet (Pericrocotus tegimae)
126. Japanese Bush Warbler (Horornis diphone)
127. Asian Stubtail (Urosphena squameiceps)
128. Brown Dipper (Cinclus pallasii)
129. Zitting Cisticola (Cisticola juncidis)
130. Rook (Corvus frugilegus)
131. Carrion Crow (Corvus corone)
132. Large-billed Crow (Corvus macrorhynchos)
133. Azure-winged Magpie (Cyanopica cyanus)
134. Eurasian Jay (Garrulus glandarius)
135. Lidth’s Jay (Garrulus lidthi) New
136. Eurasian Magpie (Pica serica)
137. Meadow Bunting (Emberiza cioides)
138. Tristram’s Bunting (Emberiza tristrami)
139. Chestnut-eared Bunting (Emberiza fucata)
140. Little Bunting (Emberiza pusilla)
141. Yellow-browed Bunting (Emberiza chrysophrys) New
142. Rustic Bunting (Emberiza rustica)
143. Yellow-throated Bunting (Emberiza elegans)
144. Yellow Bunting (Emberiza sulphurata) New
145. Black-faced Bunting (Emberiza spodocephala) New
146. Masked Bunting (Emberiza personata)
147. Grey Bunting (Emberiza variabilis)
148. Japanese Reed Bunting (Emberiza yessoensis)
149. Common Reed Bunting (Emberiza schoeniclus)
150. Long-tailed Rosefinch (Carpodacus sibiricus)
151. Grey-capped Greenfinch (Chloris sinica)
152. Hawfinch (Coccothraustes coccothraustes)
153. Japanese Grosbeak (Eophona personata)
154. Brambling (Fringilla montifringilla)
155. Asian Rosy Finch (Leucosticte arctoa)
156. Red Crossbill (Loxia curvirostra)
157. Pine Grosbeak (Pinicola enucleator) New
158. Eurasian Bullfinch (Pyrrhula pyrrhula)
159. Eurasian Siskin (Spinus spinus)
160. Red-rumped Swallow (Cecropis daurica)
161. Asian House Martin (Delichon dasypus)
162. Pacific Swallow (Hirundo tahitica)
163. Barn Swallow (Hirundo rustica)
164. Sand Martin (Riparia riparia) New
165. Brown Shrike (Lanius cristatus)
166. Bull-headed Shrike (Lanius bucephalus)
167. Marsh Grassbird (Locustella pryeri)
168. Japanese Paradise Flycatcher (Terpsiphone atrocaudata) New
169. Richard’s Pipit (Anthus richardi)
170. Tree Pipit (Anthus trivialis) New
171. Olive-backed Pipit (Anthus hodgsoni)
172. Red-throated Pipit (Anthus cervinus)
173. Water Pipit (Anthus rubescens)
174. Eastern Yellow Wagtail (Motacilla tschutschensis)
175. Grey Wagtail (Motacilla cinerea)
176. White Wagtail (Motacilla alba)
177. Japanese Wagtail (Motacilla grandis)
178. Siberian Rubythroat (Calliope calliope)
179. Blue-and-white Flycatcher (Cyanoptila cyanomelana) New
180. Yellow-rumped Flycatcher (Ficedula zanthopygia) New
181. Narcissus Flycatcher (Ficedula narcissina)
182. Ryukyu Flycatcher (Ficedula owstoni) New
183. Mugimaki Flycatcher (Ficedula mugimaki) New
184. Red-breasted Flycatcher (Ficedula parva) New
185. Siberian Blue Robin (Larvivora cyane) New
186. Japanese Robin (Larvivora akahige) New
187. Ryukyu Robin (Larvivora komadori)
188. Rufous-tailed Robin (Larvivora sibilans) New
189. Blue Rock Thrush (Monticola solitarius)
190. Dark-sided Flycatcher (Muscicapa sibirica) New
191. Asian Brown Flycatcher (Muscicapa dauurica) New
192. Northern Wheatear (Oenanthe oenanthe) New
193. Daurian Redstart (Phoenicurus auroreus)
194. Stejneger’s Stonechat (Saxicola stejnegeri)
195. Red-flanked Bluetail (Tarsiger cyanurus)
196. Black-naped Oriole (Oriolus chinensis) New
197. Japanese Tit (Parus cinereus)
198. Coal Tit (Periparus ater)
199. Marsh Tit (Poecile palustris)
200. Willow Tit (Poecile montanus)
201. Varied Tit (Sittiparus varius)
202. Russet Sparrow (Passer cinnamomeus)
203. Eurasian Tree Sparrow (Passer montanus)
204. Yellow-browed Warbler (Phylloscopus inornatus)
205. Radde’s Warbler (Phylloscopus schwarzi) New
206. Dusky Warbler (Phylloscopus fuscatus)
207. Common Chiffchaff (Phylloscopus collybita)
208. Eastern Crowned Warbler (Phylloscopus coronatus) New
209. Sakhalin Leaf Warbler (Phylloscopus borealoides) New
210. Brown-eared Bulbul (Hypsipetes amaurotis)
211. Light-vented Bulbul (Pycnonotus sinensis)
212. Eurasian Nuthatch (Sitta europaea)
213. Chestnut-cheeked Starling (Agropsar philippensis) New
214. White-cheeked Starling (Spodiopsar cineraceus)
215. Eurasian Wren (Troglodytes troglodytes)
216. Siberian Thrush (Geokichla sibirica) New
217. Japanese Thrush (Turdus cardis) New
218. Grey-backed Thrush (Turdus hortulorum) New
219. Eyebrowed Thrush (Turdus obscurus)
220. Pale Thrush (Turdus pallidus)
221. Brown-headed Thrush (Turdus chrysolaus)
222. Dusky Thrush (Turdus eunomus)
223. White’s Thrush (Zoothera aurea)
224. Scaly Thrush (Zoothera dauma) New
225. Japanese White-eye (Zosterops japonicus)
226. Grey Heron (Ardea cinerea)
227. Purple Heron (Ardea purpurea)
228. Great Egret (Ardea alba)
229. Intermediate Egret (Ardea intermedia)
230. Eurasian Bittern (Botaurus stellaris)
231. Eastern Cattle Egret (Bubulcus ibis)
232. Striated Heron (Butorides striata) New
233. Little Egret (Egretta garzetta)
234. Pacific Reef Heron (Egretta sacra)
235. Chinese Egret (Egretta eulophotes) New
236. Yellow Bittern (Ixobrychus sinensis)
237. Black-crowned Night Heron (Nycticorax nycticorax)
238. Crested Ibis (Nipponia nippon)
239. Great Spotted Woodpecker (Dendrocopos major)
240. White-backed Woodpecker (Dendrocopos leucotos)
241. Eurasian Wryneck (Jynx torquilla)
242. Japanese Green Woodpecker (Picus awokera)
243. Grey-headed Woodpecker (Picus canus)
244. Japanese Pygmy Woodpecker (Yungipicus kizuki)
245. Red-necked Grebe (Podiceps grisegena)
246. Great Crested Grebe (Podiceps cristatus)
247. Horned Grebe (Podiceps auritus)
248. Black-necked Grebe (Podiceps nigricollis)
249. Little Grebe (Tachybaptus ruficollis)
250. Laysan Albatross (Phoebastria immutabilis)
251. Black-footed Albatross (Phoebastria nigripes) New
252. Short-tailed Albatross (Phoebastria albatrus)
253. Fork-tailed Storm Petrel (Hydrobates furcatus) New
254. Swinhoe’s Storm Petrel (Hydrobates monorhis) New
255. Leach’s Storm Petrel (Hydrobates leucorhous) New
256. Sooty Shearwater (Ardenna grisea)
257. Short-tailed Shearwater (Ardenna tenuirostris) New
258. Flesh-footed Shearwater (Ardenna carneipes) New
259. Streaked Shearwater (Calonectris leucomelas)
260. Northern Fulmar (Fulmarus glacialis)
261. Northern Boobook (Ninox japonica)
262. Ryukyu Scops Owl (Otus elegans)
263. Japanese Scops Owl (Otus semitorques) New
264. Ural Owl (Strix uralensis)
265. Japanese Cormorant (Phalacrocorax capillatus)
266. Great Cormorant (Phalacrocorax carbo)
267. Pelagic Cormorant (Urile pelagicus)

Observed species (non-native species)

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No data