Birds to See in Gwynedd in May
119 bird species on our list for Gwynedd are recorded regularly in May
Of these, the most often recorded are Blackbird, Carrion Crow, European Robin, European Herring Gull and Barn Swallow. New this month: Little Grebe, Red Knot, Spotted Flycatcher and Sanderling and 5 more.
On the move in May
GBIF · MayArriving
At their peak
From Gwynedd’s bird records, 2019–2024: arriving birds are regular this month but not last; leaving birds are regular this month but not next.
Other months
All 119 birds in May
119 birds
BlackbirdTurdus merulaResidentCommon24–25 cmRecorded all year · 3.80% in May
Carrion CrowCorvus coroneResidentCommon45–47 cmRecorded all year · 3.34% in May
European RobinErithacus rubeculaResidentCommon13–14 cmRecorded all year · 3.04% in May
European Herring GullLarus argentatusResidentCommon55–67 cmRecorded all year · 2.96% in May
Barn SwallowHirundo rusticaSummer visitorCommon17–19 cmRegularly Apr–Oct · 2.91% in May
ChaffinchFringilla coelebsResidentCommon14–16 cmRecorded all year · 2.68% in May
Eurasian WrenTroglodytes troglodytesResidentCommon9–10 cmRecorded all year · 2.68% in May
ChiffchaffPhylloscopus collybitaSummer visitorCommon10–12 cmRegularly Mar–Dec · 2.64% in May
Willow WarblerPhylloscopus trochilusSummer visitorCommon11–13 cmRegularly Mar–Sep · 2.31% in May
WoodpigeonColumba palumbusResidentCommon40–42 cmRecorded all year · 2.20% in May
House SparrowPasser domesticusResidentCommon14–17 cmRecorded all year · 2.14% in May
Blue TitCyanistes caeruleusResidentCommon11–12 cmRecorded all year · 2.03% in May
Song ThrushTurdus philomelosResidentCommon20–23 cmRecorded all year · 2.00% in May
Pied WagtailMotacilla albaResidentCommon17–18 cmRecorded all year · 1.99% in May
MagpiePica picaResidentCommon44–46 cmRecorded all year · 1.93% in May
DunnockPrunella modularisResidentCommon14–15 cmRecorded all year · 1.93% in May
JackdawColoeus monedulaResidentCommon34–39 cmRecorded all year · 1.84% in May
Meadow PipitAnthus pratensisResidentCommon14–15 cmRecorded all year · 1.83% in May
Great TitParus majorResidentCommonRecorded all year · 1.79% in May
European GoldfinchCarduelis carduelisResidentCommon12–13 cmRecorded all year · 1.76% in May
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year · 1.70% in May
BuzzardButeo buteoResidentCommon51–57 cmRecorded all year · 1.64% in May
Eurasian OystercatcherHaematopus ostralegusResidentCommon40–45 cmRecorded all year · 1.60% in May
StonechatSaxicola rubicolaResidentCommon12–13 cmRecorded all year · 1.59% in May
BlackcapSylvia atricapillaSummer visitorCommon13–15 cmRegularly Mar–Dec · 1.58% in May
Common ShelduckTadorna tadornaResidentCommon58–67 cmRecorded all year · 1.25% in May
Common RavenCorvus coraxResidentCommon54–67 cmRecorded all year · 1.23% in May
House MartinDelichon urbicumSummer visitorCommon13–15 cmRegularly Apr–Oct · 1.23% in May
WheatearOenanthe oenantheSummer visitorCommon15–16 cmRegularly Mar–Oct · 1.22% in May
Canada GooseBranta canadensisResidentCommon76–110 cmRecorded all year · 1.21% in May
Great CormorantPhalacrocorax carboResidentCommon80–100 cmRecorded all year · 1.19% in May
CuckooCuculus canorusPassage migrantCommon32–34 cmRegularly Apr–Jun · 1.12% in May
Lesser Black-backed GullLarus fuscusResidentCommon52–64 cmRecorded all year · 1.12% in May
LinnetLinaria cannabinaSummer visitorCommon13–14 cmRegularly Mar–Nov · 1.05% in May
Grey HeronArdea cinereaResidentCommon90–98 cmRecorded all year · 1.02% in May
WhitethroatCurruca communisSummer visitorCommon13–15 cmRegularly Apr–Sep · 0.94% in May
Great Spotted WoodpeckerDendrocopos majorResidentCommon23–26 cmRecorded all year · 0.86% in May
Great Black-backed GullLarus marinusResidentCommon64–79 cmRecorded all year · 0.85% in May
Common SwiftApus apusSummer visitorCommon16–17 cmRegularly Apr–Aug · 0.80% in May
Eurasian Collared DoveStreptopelia decaoctoResidentCommon30–32 cmRecorded all year · 0.80% in May
GoldcrestRegulus regulusResidentCommon9–10 cmRecorded all year · 0.80% in May
European Pied FlycatcherFicedula hypoleucaSummer visitorCommon12–14 cmRegularly Apr–Sep · 0.77% in May
Grey WagtailMotacilla cinereaResidentCommon17–20 cmRecorded all year · 0.77% in May
Eurasian SkylarkAlauda arvensisSummer visitorCommon16–18 cmRegularly Feb–Dec · 0.76% in May
Mistle ThrushTurdus viscivorusResidentCommon27–28 cmRecorded all year · 0.72% in May
Little EgretEgretta garzettaResidentCommon55–65 cmRecorded all year · 0.71% in May
Common RedstartPhoenicurus phoenicurusSummer visitorCommon13–15 cmRegularly Apr–Aug · 0.68% in May
Eurasian SiskinSpinus spinusResidentCommon11–13 cmRecorded all year · 0.68% in May
Common StarlingSturnus vulgarisResidentCommon21–23 cmRecorded all year · 0.67% in May
Eurasian NuthatchSitta europaeaResidentCommon12–15 cmRecorded all year · 0.66% in May
Red-billed ChoughPyrrhocorax pyrrhocoraxSummer visitorCommon39–43 cmRegularly Mar–Jan · 0.63% in May
Long-tailed TitAegithalos caudatusResidentCommon13–16 cmRecorded all year · 0.59% in May
Rock PipitAnthus petrosusResidentCommon16–18 cmRecorded all year · 0.56% in May
RookCorvus frugilegusResidentCommon45–47 cmRecorded all year · 0.56% in May
Wood WarblerPhylloscopus sibilatrixPassage migrantCommon11–13 cmRegularly Apr–Jun · 0.56% in May
Sedge WarblerAcrocephalus schoenobaenusSummer visitorCommon12–13 cmRegularly Apr–Aug · 0.56% in May
Eurasian JayGarrulus glandariusResidentCommon32–35 cmRecorded all year · 0.55% in May
Common PheasantPhasianus colchicusResidentCommon50–90 cmRecorded all year · 0.53% in May
Sand MartinRiparia ripariaSummer visitorCommon12–14 cmRegularly Mar–Sep · 0.53% in May
Northern GannetMorus bassanusSummer visitorCommon87–100 cmRegularly Mar–Oct · 0.52% in May
Mute SwanCygnus olorResidentCommon140–160 cmRecorded all year · 0.50% in May
Rock DoveColumba liviaResidentCommon31–34 cmRecorded all year · 0.49% in May
Garden WarblerSylvia borinPassage migrantUncommon14–15 cmRegularly Apr–Aug · 0.48% in May
Red KiteMilvus milvusResidentCommon60–66 cmRecorded all year · 0.47% in May
European ShagGulosus aristotelisResidentCommon65–80 cmRecorded all year · 0.47% in May
MoorhenGallinula chloropusResidentCommon30–38 cmRecorded all year · 0.45% in May
TreecreeperCerthia familiarisResidentUncommon12–14 cmRecorded all year · 0.45% in May
Ringed PloverCharadrius hiaticulaResidentCommon17–19 cmRecorded all year · 0.41% in May
WhimbrelNumenius phaeopusPassage migrantCommon40–46 cmRegularly Apr–Oct · 0.41% in May
Manx ShearwaterPuffinus puffinusSummer visitorCommon30–38 cmRegularly Apr–Sep · 0.40% in May
RazorbillAlca tordaSummer visitorUncommon38–43 cmRegularly Apr–Dec · 0.39% in May
Common SandpiperActitis hypoleucosSummer visitorCommon18–20 cmRegularly Apr–Sep · 0.39% in May
Spotted FlycatcherMuscicapa striataSummer visitorUncommon14–16 cmRegularly May–Sep · 0.39% in May
DipperCinclus cinclusResidentUncommon17–20 cmRecorded all year · 0.38% in May
Common MerganserMergus merganserResidentCommon58–68 cmRecorded all year · 0.37% in May
Coal TitPeriparus aterResidentCommon10–12 cmRecorded all year · 0.36% in May
OspreyPandion haliaetusSummer visitorCommon54–58 cmRegularly Mar–Sep · 0.35% in May
Greylag GooseAnser anserWinter visitorCommon75–90 cmRegularly Dec–Oct · 0.34% in May
KittiwakeRissa tridactylaSummer visitorCommon37–41 cmRegularly Feb–Dec · 0.33% in May
CurlewNumenius arquataWinter visitorCommon50–60 cmRecorded all year · 0.32% in May
Black-headed GullChroicocephalus ridibundusResidentCommon38–44 cmRecorded all year · 0.31% in May
DunlinCalidris alpinaWinter visitorCommon16–22 cmRecorded all year · 0.31% in May
Sandwich TernThalasseus sandvicensisSummer visitorCommon36–41 cmRegularly Mar–Sep · 0.30% in May
BullfinchPyrrhula pyrrhulaResidentCommon15–17 cmRecorded all year · 0.29% in May
GreenfinchChloris chlorisResidentCommon15–16 cmRecorded all year · 0.29% in May
FulmarFulmarus glacialisSummer visitorCommon45–50 cmRegularly Apr–Sep · 0.27% in May
Common RedpollAcanthis flammeaSummer visitorUncommon12–14 cmRegularly Mar–Jan · 0.25% in May
Atlantic PuffinFratercula arcticaSummer visitorUncommon28–34 cmRegularly Apr–Aug · 0.24% in May
KestrelFalco tinnunculusResidentCommon32–39 cmRecorded all year · 0.24% in May
Reed BuntingEmberiza schoeniclusSummer visitorUncommon14–16 cmRegularly Mar–Jan · 0.24% in May
Ruddy TurnstoneArenaria interpresWinter visitorCommon21–24 cmRegularly Jul–May · 0.24% in May
EiderSomateria mollissimaSummer visitorCommon50–71 cmRegularly Jan–Nov · 0.22% in May
Red-breasted MerganserMergus serratorWinter visitorCommon52–58 cmRecorded all year · 0.21% in May
Tawny OwlStrix alucoResidentUncommon37–43 cmRecorded all year · 0.21% in May
Tree PipitAnthus trivialisSummer visitorUncommon14–16 cmRegularly Apr–Sep · 0.20% in May
SanderlingCalidris albaSummer visitorUncommon18–20 cmRegularly May–Dec · 0.19% in May
Grasshopper WarblerLocustella naeviaSummer visitorUncommon12–13 cmRegularly Apr–Jul · 0.17% in May
Great Crested GrebePodiceps cristatusWinter visitorCommon46–51 cmRecorded all year · 0.16% in May
SparrowhawkAccipiter nisusResidentUncommon28–38 cmRecorded all year · 0.16% in May
Ring OuzelTurdus torquatusSummer visitorUncommon23–24 cmRegularly Apr–Jul · 0.15% in May
Common Reed-warblerAcrocephalus scirpaceusSummer visitorUncommon13–14 cmRegularly Apr–Jul · 0.12% in May
Common GullLarus canusWinter visitorCommon40–46 cmRecorded all year · 0.11% in May
Little GrebeTachybaptus ruficollisWinter visitorCommon23–29 cmRegularly Aug–May · 0.10% in May
Northern LapwingVanellus vanellusWinter visitorCommon28–31 cmRegularly Sep–May · 0.09% in May
HobbyFalco subbuteoScarceUncommon28–35 cmRegularly May · 0.08% in May
WhinchatSaxicola rubetraPassage migrantUncommon12–14 cmRegularly May–Sep · 0.08% in May
YellowhammerEmberiza citrinellaSummer visitorUncommon16–17 cmRegularly Mar–Jul · 0.08% in May
European Green WoodpeckerPicus viridisSummer visitorUncommon30–36 cmRegularly Mar–Dec · 0.07% in May
Stock DoveColumba oenasSummer visitorUncommon32–34 cmRegularly Mar–Sep · 0.07% in May
Tufted DuckAythya fuligulaWinter visitorUncommon40–47 cmRegularly May–Feb · 0.07% in May
CootFulica atraResidentUncommon36–42 cmRegularly Nov–Jul · 0.06% in May
Yellow WagtailMotacilla flavaPassage migrantUncommon15–17 cmRegularly May–Jun · 0.06% in May
Purple SandpiperCalidris maritimaPassage migrantUncommon20–22 cmRegularly Apr–Jan · 0.05% in May
Red KnotCalidris canutusWinter visitorCommon23–26 cmRegularly May–Feb · 0.05% in May
Arctic TernSterna paradisaeaPassage migrantCommon33–39 cmRegularly Apr–Sep · 0.04% in May
Bar-tailed GodwitLimosa lapponicaWinter visitorUncommon37–41 cmRegularly Aug–May · 0.04% in May
Common ScoterMelanitta nigraSummer visitorUncommon43–54 cmRegularly Jan–Nov · 0.04% in May
Hooded CrowCorvus cornixResidentUncommon44–51 cmRegularly Apr–May · 0.04% in May
Common LoonGavia immerWinter visitorUncommon66–91 cmRegularly Nov–May · 0.03% in May
Data: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made

