Japan Ramsar wetland
Yonaha Bay
98 bird species recorded; the most in April and in September.
Junyu-K · CC BY-SA 4.0
This month here
33 species in January.0 species in February.59 species in March.61 species in April.32 species in May.27 species in June.28 species in July.27 species in August.65 species in September.35 species in October.39 species in November.15 species in December.
The birds you are most likely to see in the month you choose, those that come for the season first. It opens on today's month.








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- Resident all year
- Summer visitor comes to breed
- Winter visitor comes for the winter
- Passage migrant in spring and autumn
In numbers
98 species, counted.
Our own rating, from the records only: species (50 points), threatened species (20), migrants (20) and protected status — Ramsar, IBA, SPA, observatory (10).
- 98Speciesrecorded more than once
- 45Migrantssummer, winter or passage visitors
- 3ThreatenedVulnerable, Endangered or Critically Endangered (IUCN)
- 2,282Recordsopen records within 6 km
- 3Raptors
- 2Owls
- 31Waders
- 5Gulls & seabirds
- 10Ducks & geese
- 8Herons, ibises & grebes
- 26Songbirds
- 13Other birds
From open records (eBird and others, through GBIF, licensed for any use). More birdwatchers mean more records: a quiet place may have more birds than it shows.
The checklist
All 98 species.
By group, with the year in twelve cells: the darker the cell, the more often the bird is recorded that month.
Raptors3 species
- Grey-faced BuzzardButastur indicus
- OspreyPandion haliaetus
- Common KestrelFalco tinnunculus
Owls2 species
- Elegant Scops-OwlOtus elegansNT
- Northern BoobokNinox japonica
Waders31 species
- Gray-tailed TattlerTringa brevipes
- Ruddy TurnstoneArenaria interpresNT
- Eurasian WhimbrelNumenius phaeopus
- Kentish PloverCharadrius alexandrinus
- Pacific Golden PloverPluvialis fulva
- Common GreenshankTringa nebularia
- Charadrius mongolusCharadrius mongolus
- Common SandpiperActitis hypoleucos
- Grey PloverPluvialis squatarolaVU
- Red-necked StintCalidris ruficollisNT
- Greater Sand PloverCharadrius leschenaultii
- Terek SandpiperXenus cinereus
- Eurasian CurlewNumenius arquataNT
- DunlinCalidris alpinaNT
- Oriental PratincoleGlareola maldivarum
- RedshankTringa totanus
- Little ringed ploverCharadrius dubius
- Bar-tailed godwitLimosa lapponicaNT
- Black-winged StiltHimantopus himantopus
- Marsh SandpiperTringa stagnatilis
- Common SnipeGallinago gallinago
- Great KnotCalidris tenuirostris
- Long-toed StintCalidris subminuta
- Wood SandpiperTringa glareola
- Black-tailed GodwitLimosa limosaNT
- Far Eastern CurlewNumenius madagascariensis
- Sharp-tailed SandpiperCalidris acuminataVU
- Green SandpiperTringa ochropus
- Curlew SandpiperCalidris ferrugineaVU
- Pheasant-tailed JacanaHydrophasianus chirurgus
- SanderlingCalidris alba
Gulls & seabirds5 species
- Black-naped TernSterna sumatrana
- Sooty TernOnychoprion fuscatus
- Brown BoobySula leucogaster
- Whiskered TernChlidonias hybrida
- Little TernSternula albifrons
Ducks & geese10 species
- Eurasian TealAnas crecca
- Anas poecilorhynchaAnas poecilorhyncha
- Tufted DuckAythya fuligula
- Northern ShovelerSpatula clypeata
- Greater ScaupAythya marila
- MallardAnas platyrhynchos
- Northern PintailAnas acuta
- Eurasian WigeonMareca penelope
- Chinese Spot-billed DuckAnas zonorhyncha
- GadwallMareca strepera
Herons, ibises & grebes8 species
- Great White EgretArdea alba
- Little EgretEgretta garzetta
- Egretta intermediaEgretta intermedia
- Grey HeronArdea cinerea
- Black-crowned Night-HeronNycticorax nycticorax
- Great CormorantPhalacrocorax carbo
- Malay Night-heronGorsachius melanolophus
- Reef HeronEgretta sacra
Songbirds26 species
- Brown-eared BulbulHypsipetes amaurotis
- Blue Rock ThrushMonticola solitarius
- Eurasian Tree SparrowPasser montanus
- Zosterops japonicusZosterops japonicus
- Zitting CisticolaCisticola juncidis
- Barn swallowHirundo rustica
- Large-billed CrowCorvus macrorhynchos
- Eastern Yellow WagtailMotacilla tschutschensis
- Pacific SwallowHirundo javanica
- Grey WagtailMotacilla cinerea
- Japanese Paradise-FlycatcherTerpsiphone atrocaudata
- Narcissus FlycatcherFicedula narcissina
- Japanese Bush WarblerHorornis diphone
- Grey-streaked FlycatcherMuscicapa griseisticta
- Pale ThrushTurdus pallidus
- Brown ShrikeLanius cristatus
- White WagtailMotacilla alba
- Dark-sided FlycatcherMuscicapa sibirica
- Ryukyu MinivetPericrocotus tegimae
- Arctic warblerPhylloscopus borealis
- Yellow-browed WarblerPhylloscopus inornatus
- Chestnut MuniaLonchura atricapilla
- Spice FinchLonchura punctulata
- White's ThrushZoothera aurea
- Richard's PipitAnthus richardi
- Oriolus chinensisOriolus chinensis
Other birds13 species
- Oriental Turtle DoveStreptopelia orientalis
- Common Emerald DoveChalcophaps indica
- Ruddy KingfisherHalcyon coromanda
- Black Wood PigeonColumba janthina
- Taiwan Green-pigeonTreron formosaeNT
- White-breasted WaterhenAmaurornis phoenicurus
- Indian PeafowlPavo cristatus
- Slaty-legged CrakeRallina eurizonoides
- Lesser CuckooCuculus poliocephalus
- Barred ButtonquailTurnix suscitator
- Common KingfisherAlcedo atthis
- Rock DoveColumba livia
- Pacific SwiftApus pacificus
Monthly presence relative to all bird records that month, so a busy month does not inflate every species.
When to go
The most species in April and in September.
Species recorded in each month, with the usual temperature and rain.
- Jan21°/19°68 mm
- Feb21°/19°55 mm
- Mar22°/20°78 mm
- Apr24°/22°120 mm
- May26°/25°184 mm
- Jun28°/27°221 mm
- Jul29°/29°124 mm
- Aug29°/29°205 mm
- Sep29°/28°191 mm
- Oct27°/26°118 mm
- Nov25°/24°92 mm
- Dec22°/20°73 mm
- Bar: species recorded that month.
- Temperature: average maximum / minimum (NASA, 1991–2020).
- Rain: monthly total.
The place
Yonaha Bay.
Yonaha Bay is a wetland of international importance (Ramsar) in Japan.
98 bird species have been recorded here more than once, in 2,282 open records.
The most recorded are the Gray-tailed Tattler, the Ruddy Turnstone and the Eurasian Whimbrel.
27 species come for the summer, 12 for the winter and 6 only pass through.
3 are threatened worldwide, including Grey Plover, Sharp-tailed Sandpiper and Curlew Sandpiper.
The most species are recorded in April and in September.

Get there and watch
- 宮古島東急ホテル&リゾーツplace to stay · 2.8 km · 30 within 10 km
- Miyakojimanearest town · 5.0 km in a straight line
- Miyako Airport (MMY)nearest airport with scheduled flights · 3 km in a straight lineCar hire at ISG airport (Ishigaki)Discover Cars · sponsored link↗
Plan the visit
A guided walk, a bed nearby, a car.
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
From above
The place and its surroundings.
The satellite image of the 6 × 6 km around the place, with the bird hides, towers and trails that OpenStreetMap shows.

Around, in OpenStreetMap
- 2viewpoints within 5 km竜宮城展望台
- 10car parks within 3 km
- 30places to stay within 10 km宮古島東急ホテル&リゾーツ, ゆにの里 ぱりなか, Villa Pineapple and 27 more
- bird hides within 6 km
- observation towers within 6 km
- marked trails within 4 km
- visitor centres within 6 km
- restaurants and cafés within 3 km
- campsites within 10 km
Counted in OpenStreetMap, the map anyone can edit. A low number may just mean nobody has mapped it yet.
In our other atlases
Around Yonaha Bay.
The lakes, beaches, islands, rivers and mountains around this place, and its night sky, in the family's atlases.
Figures from the sister sites' databases (Wikidata, HydroATLAS, GeoNames, OpenStreetMap). Links open when each site is online.
Photographs
The place, as people saw it.



Other places nearby.
Where these figures come from
| Name and type | Wikidata (Q11361955) · CC0 |
|---|---|
| Birds | 2,282 open bird records within 6 km (GBIF, CC0 and CC BY 4.0 only; mostly eBird, Cornell Lab of Ornithology) |
| See these records | gbif.org |
| Species | GBIF Backbone Taxonomy · CC BY 4.0; Wikidata (CC0); Wikimedia Commons |
| Altitude | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Temperature and rain | NASA POWER (CERES SYN1deg, 2001–2020; MERRA-2) |
| What is around | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Sister atlases | Islandyas |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves, dark skies, viewpoints, birdwatching or forests?
Same idea, other landscapes: field atlases built on open data, in seven languages.



