United Kingdom Ramsar wetland
Llyn Idwal
106 bird species recorded; the most from May to June.
Ioanp1 · CC BY-SA 4.0
This month here
29 species in January.30 species in February.54 species in March.76 species in April.97 species in May.95 species in June.77 species in July.70 species in August.55 species in September.51 species in October.36 species in November.26 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.































































































































































































































































































- Resident all year
- Summer visitor comes to breed
- Winter visitor comes for the winter
- Passage migrant in spring and autumn
In numbers
106 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).
- 106Speciesrecorded more than once
- 60Migrantssummer, winter or passage visitors
- 0ThreatenedVulnerable, Endangered or Critically Endangered (IUCN)
- 5,490Recordsopen records within 6 km
- 372 mAltitudeabove the sea
- 9Raptors
- 1Owls
- 3Waders
- 5Gulls & seabirds
- 8Ducks & geese
- 5Herons, ibises & grebes
- 61Songbirds
- 14Other 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 106 species.
By group, with the year in twelve cells: the darker the cell, the more often the bird is recorded that month.
Raptors9 species
- Common BuzzardButeo buteo
- Common KestrelFalco tinnunculus
- Red KiteMilvus milvus
- Eurasian SparrowhawkAccipiter nisus
- Peregrine FalconFalco peregrinus
- Hen HarrierCircus cyaneus
- European HobbyFalco subbuteo
- OspreyPandion haliaetus
- MerlinFalco columbarius
Owls1 species
- Tawny OwlStrix aluco
Waders3 species
- Common SandpiperActitis hypoleucos
- Common SnipeGallinago gallinago
- Northern LapwingVanellus vanellusNT
Gulls & seabirds5 species
- European Herring GullLarus argentatus
- Lesser Black-backed GullLarus fuscus
- Black-headed GullChroicocephalus ridibundus
- Common GullLarus canus
- Great Black-backed GullLarus marinus
Ducks & geese8 species
- MallardAnas platyrhynchos
- Canada GooseBranta canadensis
- GoosanderMergus merganser
- Mute SwanCygnus olor
- Greylag GooseAnser anser
- Tufted DuckAythya fuligula
- Red-breasted MerganserMergus serrator
- Common ShelduckTadorna tadorna
Herons, ibises & grebes5 species
- Grey HeronArdea cinerea
- Great Crested GrebePodiceps cristatus
- Great CormorantPhalacrocorax carbo
- Little GrebeTachybaptus ruficollis
- ShagPhalacrocorax aristotelis
Songbirds61 species
- Northern WheatearOenanthe oenanthe
- Meadow PipitAnthus pratensis
- Northern RavenCorvus corax
- Carrion CrowCorvus corone
- White WagtailMotacilla alba
- European StonechatSaxicola rubicola
- Eurasian WrenTroglodytes troglodytes
- Eurasian ChaffinchFringilla coelebs
- European RobinErithacus rubecula
- Grey WagtailMotacilla cinerea
- Ring OuzelTurdus torquatus
- Eurasian BlackbirdTurdus merula
- Eurasian MagpiePica pica
- Barn swallowHirundo rustica
- Willow WarblerPhylloscopus trochilus
- Western JackdawColoeus monedula
- ChoughPyrrhocorax pyrrhocorax
- Eurasian Blue TitCyanistes caeruleus
- DunnockPrunella modularis
- Common RedpollAcanthis flammea
- Great titParus major
- TwiteLinaria flavirostris
- SkylarkAlauda arvensis
- Mistle ThrushTurdus viscivorus
- Common RedstartPhoenicurus phoenicurus
- Common House MartinDelichon urbicum
- European GoldfinchCarduelis carduelis
- Coal TitPeriparus ater
- Common ChiffchaffPhylloscopus collybita
- Eurasian SiskinSpinus spinus
- White-throated DipperCinclus cinclus
- House SparrowPasser domesticus
- Eurasian NuthatchSitta europaea
- GoldcrestRegulus regulus
- Song ThrushTurdus philomelos
- Common LinnetLinaria cannabina
- European Pied FlycatcherFicedula hypoleuca
- Common Reed BuntingEmberiza schoeniclus
- BlackcapSylvia atricapilla
- Eurasian TreecreeperCerthia familiaris
- Eurasian JayGarrulus glandarius
- RookCorvus frugilegus
- Spotted FlycatcherMuscicapa striata
- European GreenfinchChloris chloris
- WhinchatSaxicola rubetra
- BullfinchPyrrhula pyrrhula
- Tree PipitAnthus trivialis
- Common Grasshopper WarblerLocustella naevia
- Common StarlingSturnus vulgaris
- European Rock PipitAnthus petrosus
- Wood WarblerPhylloscopus sibillatrix
- Garden WarblerSylvia borin
- Common crossbillLoxia curvirostra
- RedwingTurdus iliacus
- WhitethroatSylvia communis
- Sedge WarblerAcrocephalus schoenobaenus
- Western Yellow WagtailMotacilla flava
- Marsh TitPoecile palustris
- Sand MartinRiparia riparia
- FieldfareTurdus pilaris
- Snow BuntingPlectrophenax nivalis
Other birds14 species
- Common Wood PigeonColumba palumbus
- Common CuckooCuculus canorus
- Great Spotted WoodpeckerDendrocopos major
- European SwiftApus apus
- Eurasian Collared DoveStreptopelia decaocto
- Green WoodpeckerPicus viridis
- Common PheasantPhasianus colchicus
- Willow PtarmiganLagopus lagopus
- Rock DoveColumba livia
- CootFulica atra
- Common KingfisherAlcedo atthis
- Stock DoveColumba oenas
- Grey PartridgePerdix perdix
- Red-legged PartridgeAlectoris rufaNT
Monthly presence relative to all bird records that month, so a busy month does not inflate every species.
When to go
The most species from May to June.
Species recorded in each month, with the usual temperature and rain.
- Jan6°/2°126 mm
- Feb6°/2°104 mm
- Mar8°/2°94 mm
- Apr11°/4°77 mm
- May14°/7°87 mm
- Jun16°/10°99 mm
- Jul18°/11°112 mm
- Aug17°/11°119 mm
- Sep16°/10°108 mm
- Oct12°/8°135 mm
- Nov9°/5°142 mm
- Dec6°/3°148 mm
- Bar: species recorded that month.
- Temperature: average maximum / minimum (NASA, 1991–2020).
- Rain: monthly total.
The place
Llyn Idwal.
Lake in Cwm Idwal, Conwy County Borough, Wales
Llyn Idwal is a wetland of international importance (Ramsar) in United Kingdom, 372 m above the sea.
106 bird species have been recorded here more than once, in 5,490 open records.
The most recorded are the Northern Wheatear, the Meadow Pipit and the Northern Raven.
42 species come for the summer, 18 for the winter and 0 only pass through.
The most species are recorded from May to June.

Get there and watch
- Gwern Gof Uchaf Campsitecampsite · 2.9 km · 25 within 10 km
- Snowdonia Mountain Lodgeplace to stay · 4.6 km · 78 within 10 km
- Llanberisnearest town · 6.9 km in a straight line
- Liverpool John Lennon Airport (LPL)nearest airport with scheduled flights · 82 km in a straight lineCar hire at LPL airport (Liverpool)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
- 8marked trails within 4 kmWelsh Three Thousands, Llwybr Llyn Llydaw, Llanberis Path and 5 more
- 2visitor centres within 6 kmHafod Eryri Summit Visitor Centre
- 4viewpoints within 5 kmTwll Du and 3 more
- 22car parks within 3 km
- 1restaurants and cafés within 3 km
- 25campsites within 10 kmGwern Gof Uchaf Campsite, Pritchard's Campsite, Gwern Gôf Isaf Campsite & Bunkhouses and 22 more
- 78places to stay within 10 kmSnowdonia Mountain Lodge, Dinorwig Lodge, Y Gwynedd and 75 more
- bird hides within 6 km
- observation towers within 6 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 Llyn Idwal.
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.
Where these figures come from
| Name and type | Wikidata (Q3405761) · CC0 |
|---|---|
| Birds | 5,490 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 | Peakyas, Islandyas, Lakeyas, Darkskyas, Cascadyas |
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.






