Prefectures covered：Yamagata, Niigata
OSJ7
Number of orders recorded： 14
Number of families recorded： 34
Number of genera recorded： 66
Number of species recorded： 104
Observed species (native species)#
- Copper Pheasant (Syrmaticus soemmerringii) New
- Green Pheasant (Phasianus versicolor)
- Tundra Bean Goose (Anser serrirostris)
- Greater White-fronted Goose (Anser albifrons)
- Tundra Swan (Cygnus columbianus)
- Whooper Swan (Cygnus cygnus)
- Mandarin Duck (Aix galericulata)
- Gadwall (Anas strepera)
- Falcated Duck (Anas falcata)
- Eurasian Wigeon (Anas penelope)
- American Wigeon (Anas americana)
- Mallard (Anas platyrhynchos)
- Eastern Spot-billed Duck (Anas zonorhyncha)
- Northern Shoveler (Anas clypeata)
- Northern Pintail (Anas acuta)
- Baikal Teal (Anas formosa)
- Eurasian Teal (Anas crecca)
- Common Pochard (Aythya ferina)
- Tufted Duck (Aythya fuligula)
- Greater Scaup (Aythya marila)
- Lesser Scaup (Aythya affinis) New
- Harlequin Duck (Histrionicus histrionicus)
- Common Goldeneye (Bucephala clangula)
- Smew (Mergellus albellus)
- Common Merganser (Mergus merganser)
- Red-breasted Merganser (Mergus serrator)
- Little Grebe (Tachybaptus ruficollis)
- Great Crested Grebe (Podiceps cristatus)
- Black-necked Grebe (Podiceps nigricollis)
- Oriental Turtle Dove (Streptopelia orientalis)
- White-bellied Green Pigeon (Treron sieboldii)
- Pelagic Cormorant (Phalacrocorax pelagicus)
- Great Cormorant (Phalacrocorax carbo)
- Japanese Cormorant (Phalacrocorax capillatus)
- Grey Heron (Ardea cinerea)
- Great Egret (Ardea alba)
- Brown-cheeked Rail (Rallus indicus)
- Eurasian Coot (Fulica atra)
- Long-billed Plover (Charadrius placidus)
- Sanderling (Calidris alba)
- Dunlin (Calidris alpina)
- Black-headed Gull (Chroicocephalus ridibundus)
- Black-tailed Gull (Larus crassirostris)
- Mew Gull (Larus canus)
- Glaucous Gull (Larus hyperboreus)
- Vega Gull (Larus vegae)
- Slaty-backed Gull (Larus schistisagus)
- Western Osprey (Pandion haliaetus)
- Black Kite (Milvus migrans)
- White-tailed Eagle (Haliaeetus albicilla)
- Eastern Marsh Harrier (Circus spilonotus)
- Hen Harrier (Circus cyaneus)
- Eurasian Sparrowhawk (Accipiter nisus)
- Northern Goshawk (Accipiter gentilis)
- Eastern Buzzard (Buteo japonicus)
- Mountain Hawk-Eagle (Nisaetus nipalensis)
- Ural Owl (Strix uralensis)
- Crested Kingfisher (Megaceryle lugubris)
- Japanese Pygmy Woodpecker (Yungipicus kizuki)
- Great Spotted Woodpecker (Dendrocopos major)
- Japanese Green Woodpecker (Picus awokera)
- Common Kestrel (Falco tinnunculus)
- Peregrine Falcon (Falco peregrinus)
- Bull-headed Shrike (Lanius bucephalus)
- Eurasian Jay (Garrulus glandarius)
- Azure-winged Magpie (Cyanopica cyanus)
- Daurian Jackdaw (Coloeus dauuricus)
- Rook (Corvus frugilegus)
- Carrion Crow (Corvus corone)
- Large-billed Crow (Corvus macrorhynchos)
- Goldcrest (Regulus regulus)
- Willow Tit (Poecile montanus)
- Varied Tit (Sittiparus varius)
- Coal Tit (Periparus ater)
- Japanese Tit (Parus minor)
- Brown-eared Bulbul (Hypsipetes amaurotis)
- Japanese Bush Warbler (Horornis diphone)
- Long-tailed Tit (Aegithalos caudatus)
- Japanese White-eye (Zosterops japonicus)
- Eurasian Nuthatch (Sitta europaea)
- Eurasian Wren (Troglodytes troglodytes)
- White-cheeked Starling (Spodiopsar cineraceus)
- Brown Dipper (Cinclus pallasii)
- Dusky Thrush (Turdus eunomus)
- Red-flanked Bluetail (Tarsiger cyanurus)
- Daurian Redstart (Phoenicurus auroreus)
- Blue Rock Thrush (Monticola solitarius)
- Eurasian Tree Sparrow (Passer montanus)
- Grey Wagtail (Motacilla cinerea)
- White Wagtail (Motacilla alba)
- Japanese Wagtail (Motacilla grandis)
- Water Pipit (Anthus spinoletta)
- Brambling (Fringilla montifringilla)
- Grey-capped Greenfinch (Chloris sinica)
- Eurasian Siskin (Spinus spinus)
- Common Redpoll (Acanthis flammea) New
- Long-tailed Rosefinch (Carpodacus sibiricus)
- Red Crossbill (Loxia curvirostra)
- Eurasian Bullfinch (Pyrrhula pyrrhula)
- Hawfinch (Coccothraustes coccothraustes)
- Snow Bunting (Plectrophenax nivalis)
- Meadow Bunting (Emberiza cioides)
- Rustic Bunting (Emberiza rustica)
- Common Reed Bunting (Emberiza schoeniclus)
Observed species (introduced species)#
No data