Contributing teams：Mr & Mrs MIcawber, thinner nightmare, チーム蛙
OSJ8
Observed species (native species)#
- Tundra Swan (Cygnus columbianus)
- Baikal Teal (Sibirionetta formosa)
- Northern Shoveler (Spatula clypeata)
- Gadwall (Mareca strepera)
- Falcated Duck (Mareca falcata)
- Eurasian Wigeon (Mareca penelope)
- Eastern Spot-billed Duck (Anas zonorhyncha)
- Mallard (Anas platyrhynchos)
- Northern Pintail (Anas acuta)
- Eurasian Teal (Anas crecca)
- Common Pochard (Aythya ferina)
- Greater Scaup (Aythya marila)
- Black Scoter (Melanitta americana)
- Common Goldeneye (Bucephala clangula)
- Smew (Mergellus albellus)
- Red-breasted Merganser (Mergus serrator)
- Oriental Turtle Dove (Streptopelia orientalis)
- Eurasian Coot (Fulica atra)
- Ruddy-breasted Crake (Zapornia fusca)
- Little Grebe (Tachybaptus ruficollis)
- Red-necked Grebe (Podiceps grisegena)
- Great Crested Grebe (Podiceps cristatus)
- Horned Grebe (Podiceps auritus)
- Black-necked Grebe (Podiceps nigricollis)
- Eurasian Oystercatcher (Haematopus ostralegus)
- Northern Lapwing (Vanellus vanellus)
- Pacific Golden Plover (Pluvialis fulva)
- Grey Plover (Pluvialis squatarola)
- Long-billed Plover (Charadrius placidus)
- Kentish Plover (Charadrius alexandrinus)
- Ruddy Turnstone (Arenaria interpres)
- Temminck’s Stint (Calidris temminckii)
- Sanderling (Calidris alba)
- Dunlin (Calidris alpina)
- Eurasian Woodcock (Scolopax rusticola)
- Common Snipe (Gallinago gallinago)
- Common Sandpiper (Actitis hypoleucos)
- Black-headed Gull (Chroicocephalus ridibundus)
- Saunders’s Gull (Saundersilarus saundersi)
- Black-tailed Gull (Larus crassirostris)
- Mew Gull (Larus canus)
- Vega Gull (Larus vegae)
- Slaty-backed Gull (Larus schistisagus)
- Red-throated Loon (Gavia stellata)
- Pacific Loon (Gavia pacifica)
- Pelagic Cormorant (Urile pelagicus)
- Japanese Cormorant (Phalacrocorax capillatus)
- Great Cormorant (Phalacrocorax carbo)
- Black-crowned Night Heron (Nycticorax nycticorax)
- Grey Heron (Ardea cinerea)
- Great Egret (Ardea alba)
- Little Egret (Egretta garzetta)
- Pacific Reef Heron (Egretta sacra)
- Western Osprey (Pandion haliaetus)
- Eurasian Sparrowhawk (Accipiter nisus)
- Eastern Marsh Harrier (Circus spilonotus)
- Black Kite (Milvus migrans)
- Eastern Buzzard (Buteo japonicus)
- Common Kingfisher (Alcedo atthis)
- Japanese Pygmy Woodpecker (Yungipicus kizuki)
- Common Kestrel (Falco tinnunculus)
- Peregrine Falcon (Falco peregrinus)
- Bull-headed Shrike (Lanius bucephalus)
- Azure-winged Magpie (Cyanopica cyanus)
- Carrion Crow (Corvus corone)
- Large-billed Crow (Corvus macrorhynchos)
- Varied Tit (Sittiparus varius)
- Japanese Tit (Parus cinereus)
- Eurasian Skylark (Alauda arvensis)
- Brown-eared Bulbul (Hypsipetes amaurotis)
- Japanese Bush Warbler (Horornis diphone)
- Long-tailed Tit (Aegithalos caudatus)
- Dusky Warbler (Phylloscopus fuscatus)
- Japanese White-eye (Zosterops japonicus)
- White-cheeked Starling (Spodiopsar cineraceus)
- Pale Thrush (Turdus pallidus)
- Dusky Thrush (Turdus eunomus)
- Daurian Redstart (Phoenicurus auroreus)
- Blue Rock Thrush (Monticola solitarius)
- Eurasian Tree Sparrow (Passer montanus)
- White Wagtail (Motacilla alba)
- Water Pipit (Anthus rubescens)
- Hawfinch (Coccothraustes coccothraustes)
- Grey-capped Greenfinch (Chloris sinica)
- Meadow Bunting (Emberiza cioides)
- Masked Bunting (Emberiza personata)
- Grey Bunting (Emberiza variabilis)
- Common Reed Bunting (Emberiza schoeniclus)
Observed species (non-native species)#
- Feral pigeon (Columba livia)