Birds to See in Gwynedd in August
120 bird species on our list for Gwynedd are recorded regularly in August
Of these, the most often recorded are European Herring Gull, Carrion Crow, Black-headed Gull, Barn Swallow and Woodpigeon. New this month: Eurasian Teal, Little Grebe, Arctic Tern and Red Knot and 12 more.
On the move in August
GBIF · AugArriving
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 120 birds in August
120 birds
European Herring GullLarus argentatusResidentCommon55–67 cmRecorded all year · 4.50% in Aug
Carrion CrowCorvus coroneResidentCommon45–47 cmRecorded all year · 3.28% in Aug
Black-headed GullChroicocephalus ridibundusResidentCommon38–44 cmRecorded all year · 2.86% in Aug
Barn SwallowHirundo rusticaSummer visitorCommon17–19 cmRegularly Apr–Oct · 2.73% in Aug
WoodpigeonColumba palumbusResidentCommon40–42 cmRecorded all year · 2.55% in Aug
Eurasian OystercatcherHaematopus ostralegusResidentCommon40–45 cmRecorded all year · 2.49% in Aug
European RobinErithacus rubeculaResidentCommon13–14 cmRecorded all year · 2.49% in Aug
Great CormorantPhalacrocorax carboResidentCommon80–100 cmRecorded all year · 2.43% in Aug
MagpiePica picaResidentCommon44–46 cmRecorded all year · 2.17% in Aug
House SparrowPasser domesticusResidentCommon14–17 cmRecorded all year · 2.00% in Aug
JackdawColoeus monedulaResidentCommon34–39 cmRecorded all year · 1.97% in Aug
Great Black-backed GullLarus marinusResidentCommon64–79 cmRecorded all year · 1.92% in Aug
Grey HeronArdea cinereaResidentCommon90–98 cmRecorded all year · 1.74% in Aug
Pied WagtailMotacilla albaResidentCommon17–18 cmRecorded all year · 1.73% in Aug
Lesser Black-backed GullLarus fuscusResidentCommon52–64 cmRecorded all year · 1.67% in Aug
House MartinDelichon urbicumSummer visitorCommon13–15 cmRegularly Apr–Oct · 1.66% in Aug
Common RavenCorvus coraxResidentCommon54–67 cmRecorded all year · 1.64% in Aug
BlackbirdTurdus merulaResidentCommon24–25 cmRecorded all year · 1.62% in Aug
Eurasian WrenTroglodytes troglodytesResidentCommon9–10 cmRecorded all year · 1.60% in Aug
European GoldfinchCarduelis carduelisResidentCommon12–13 cmRecorded all year · 1.59% in Aug
Meadow PipitAnthus pratensisResidentCommon14–15 cmRecorded all year · 1.58% in Aug
StonechatSaxicola rubicolaResidentCommon12–13 cmRecorded all year · 1.56% in Aug
Northern GannetMorus bassanusSummer visitorCommon87–100 cmRegularly Mar–Oct · 1.55% in Aug
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year · 1.51% in Aug
Blue TitCyanistes caeruleusResidentCommon11–12 cmRecorded all year · 1.49% in Aug
BuzzardButeo buteoResidentCommon51–57 cmRecorded all year · 1.48% in Aug
CurlewNumenius arquataWinter visitorCommon50–60 cmRecorded all year · 1.40% in Aug
LinnetLinaria cannabinaSummer visitorCommon13–14 cmRegularly Mar–Nov · 1.38% in Aug
Sandwich TernThalasseus sandvicensisSummer visitorCommon36–41 cmRegularly Mar–Sep · 1.37% in Aug
Great TitParus majorResidentCommonRecorded all year · 1.32% in Aug
Little EgretEgretta garzettaResidentCommon55–65 cmRecorded all year · 1.22% in Aug
Manx ShearwaterPuffinus puffinusSummer visitorCommon30–38 cmRegularly Apr–Sep · 1.22% in Aug
ChaffinchFringilla coelebsResidentCommon14–16 cmRecorded all year · 1.15% in Aug
KittiwakeRissa tridactylaSummer visitorCommon37–41 cmRegularly Feb–Dec · 1.08% in Aug
Eurasian Collared DoveStreptopelia decaoctoResidentCommon30–32 cmRecorded all year · 1.01% in Aug
DunnockPrunella modularisResidentCommon14–15 cmRecorded all year · 0.97% in Aug
RedshankTringa totanusWinter visitorCommon27–29 cmRegularly Jul–Apr · 0.97% in Aug
WheatearOenanthe oenantheSummer visitorCommon15–16 cmRegularly Mar–Oct · 0.96% in Aug
European ShagGulosus aristotelisResidentCommon65–80 cmRecorded all year · 0.95% in Aug
RookCorvus frugilegusResidentCommon45–47 cmRecorded all year · 0.92% in Aug
Ruddy TurnstoneArenaria interpresWinter visitorCommon21–24 cmRegularly Jul–May · 0.85% in Aug
Common MerganserMergus merganserResidentCommon58–68 cmRecorded all year · 0.82% in Aug
Red-billed ChoughPyrrhocorax pyrrhocoraxSummer visitorCommon39–43 cmRegularly Mar–Jan · 0.82% in Aug
Rock DoveColumba liviaResidentCommon31–34 cmRecorded all year · 0.81% in Aug
Mute SwanCygnus olorResidentCommon140–160 cmRecorded all year · 0.79% in Aug
Rock PipitAnthus petrosusResidentCommon16–18 cmRecorded all year · 0.79% in Aug
Canada GooseBranta canadensisResidentCommon76–110 cmRecorded all year · 0.78% in Aug
FulmarFulmarus glacialisSummer visitorCommon45–50 cmRegularly Apr–Sep · 0.78% in Aug
Common StarlingSturnus vulgarisResidentCommon21–23 cmRecorded all year · 0.75% in Aug
Willow WarblerPhylloscopus trochilusSummer visitorCommon11–13 cmRegularly Mar–Sep · 0.71% in Aug
Ringed PloverCharadrius hiaticulaResidentCommon17–19 cmRecorded all year · 0.70% in Aug
ChiffchaffPhylloscopus collybitaSummer visitorCommon10–12 cmRegularly Mar–Dec · 0.67% in Aug
Grey WagtailMotacilla cinereaResidentCommon17–20 cmRecorded all year · 0.64% in Aug
WhimbrelNumenius phaeopusPassage migrantCommon40–46 cmRegularly Apr–Oct · 0.64% in Aug
Sand MartinRiparia ripariaSummer visitorCommon12–14 cmRegularly Mar–Sep · 0.62% in Aug
Common TernSterna hirundoPassage migrantCommon31–35 cmRegularly Apr–Aug · 0.60% in Aug
Eurasian NuthatchSitta europaeaResidentCommon12–15 cmRecorded all year · 0.59% in Aug
Arctic TernSterna paradisaeaPassage migrantCommon33–39 cmRegularly Apr–Sep · 0.55% in Aug
Mediterranean GullIchthyaetus melanocephalusResidentCommon37–40 cmRegularly Jul–Mar · 0.53% in Aug
MoorhenGallinula chloropusResidentCommon30–38 cmRecorded all year · 0.52% in Aug
WhitethroatCurruca communisSummer visitorCommon13–15 cmRegularly Apr–Sep · 0.51% in Aug
Red KiteMilvus milvusResidentCommon60–66 cmRecorded all year · 0.49% in Aug
KestrelFalco tinnunculusResidentCommon32–39 cmRecorded all year · 0.48% in Aug
Great Spotted WoodpeckerDendrocopos majorResidentCommon23–26 cmRecorded all year · 0.45% in Aug
GoldcrestRegulus regulusResidentCommon9–10 cmRecorded all year · 0.44% in Aug
Arctic JaegerStercorarius parasiticusPassage migrantUncommon41–46 cmRegularly Aug–Oct · 0.42% in Aug
DunlinCalidris alpinaWinter visitorCommon16–22 cmRecorded all year · 0.42% in Aug
RazorbillAlca tordaSummer visitorUncommon38–43 cmRegularly Apr–Dec · 0.41% in Aug
Spotted FlycatcherMuscicapa striataSummer visitorUncommon14–16 cmRegularly May–Sep · 0.41% in Aug
Common SandpiperActitis hypoleucosSummer visitorCommon18–20 cmRegularly Apr–Sep · 0.40% in Aug
Greylag GooseAnser anserWinter visitorCommon75–90 cmRegularly Dec–Oct · 0.40% in Aug
EiderSomateria mollissimaSummer visitorCommon50–71 cmRegularly Jan–Nov · 0.38% in Aug
SparrowhawkAccipiter nisusResidentUncommon28–38 cmRecorded all year · 0.38% in Aug
Common ShelduckTadorna tadornaResidentCommon58–67 cmRecorded all year · 0.37% in Aug
Common SwiftApus apusSummer visitorCommon16–17 cmRegularly Apr–Aug · 0.37% in Aug
Long-tailed TitAegithalos caudatusResidentCommon13–16 cmRecorded all year · 0.37% in Aug
Coal TitPeriparus aterResidentCommon10–12 cmRecorded all year · 0.36% in Aug
Common GullLarus canusWinter visitorCommon40–46 cmRecorded all year · 0.34% in Aug
Common KingfisherAlcedo atthisResidentUncommon16–17 cmRegularly Apr–Feb · 0.33% in Aug
OspreyPandion haliaetusSummer visitorCommon54–58 cmRegularly Mar–Sep · 0.33% in Aug
BlackcapSylvia atricapillaSummer visitorCommon13–15 cmRegularly Mar–Dec · 0.29% in Aug
Eurasian SiskinSpinus spinusResidentCommon11–13 cmRecorded all year · 0.29% in Aug
Peregrine FalconFalco peregrinusResidentUncommon34–58 cmRegularly Aug–Feb · 0.29% in Aug
Great Crested GrebePodiceps cristatusWinter visitorCommon46–51 cmRecorded all year · 0.26% in Aug
Eurasian JayGarrulus glandariusResidentCommon32–35 cmRecorded all year · 0.25% in Aug
GreenshankTringa nebulariaWinter visitorCommon30–35 cmRegularly Jul–Apr · 0.25% in Aug
SanderlingCalidris albaSummer visitorUncommon18–20 cmRegularly May–Dec · 0.25% in Aug
TreecreeperCerthia familiarisResidentUncommon12–14 cmRecorded all year · 0.25% in Aug
Common RedstartPhoenicurus phoenicurusSummer visitorCommon13–15 cmRegularly Apr–Aug · 0.23% in Aug
BullfinchPyrrhula pyrrhulaResidentCommon15–17 cmRecorded all year · 0.22% in Aug
Song ThrushTurdus philomelosResidentCommon20–23 cmRecorded all year · 0.22% in Aug
Common ScoterMelanitta nigraSummer visitorUncommon43–54 cmRegularly Jan–Nov · 0.21% in Aug
DipperCinclus cinclusResidentUncommon17–20 cmRecorded all year · 0.21% in Aug
Mistle ThrushTurdus viscivorusResidentCommon27–28 cmRecorded all year · 0.21% in Aug
Black-tailed GodwitLimosa limosaWinter visitorCommon40–44 cmRegularly Jul–Apr · 0.19% in Aug
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRegularly Aug–Apr · 0.18% in Aug
Common PheasantPhasianus colchicusResidentCommon50–90 cmRecorded all year · 0.16% in Aug
Sedge WarblerAcrocephalus schoenobaenusSummer visitorCommon12–13 cmRegularly Apr–Aug · 0.16% in Aug
European Storm-petrelHydrobates pelagicusPassage migrantUncommon14–18 cmRegularly Aug · 0.15% in Aug
GreenfinchChloris chlorisResidentCommon15–16 cmRecorded all year · 0.15% in Aug
Purple SandpiperCalidris maritimaPassage migrantUncommon20–22 cmRegularly Apr–Jan · 0.15% in Aug
Common RedpollAcanthis flammeaSummer visitorUncommon12–14 cmRegularly Mar–Jan · 0.14% in Aug
European Green WoodpeckerPicus viridisSummer visitorUncommon30–36 cmRegularly Mar–Dec · 0.14% in Aug
Common SnipeGallinago gallinagoWinter visitorUncommon25–27 cmRegularly Aug–Apr · 0.11% in Aug
Lesser WhitethroatCurruca currucaPassage migrantUncommon11–13 cmRegularly Aug · 0.11% in Aug
Little GrebeTachybaptus ruficollisWinter visitorCommon23–29 cmRegularly Aug–May · 0.11% in Aug
Red-breasted MerganserMergus serratorWinter visitorCommon52–58 cmRecorded all year · 0.11% in Aug
Reed BuntingEmberiza schoeniclusSummer visitorUncommon14–16 cmRegularly Mar–Jan · 0.11% in Aug
Atlantic PuffinFratercula arcticaSummer visitorUncommon28–34 cmRegularly Apr–Aug · 0.10% in Aug
Eurasian SkylarkAlauda arvensisSummer visitorCommon16–18 cmRegularly Feb–Dec · 0.10% in Aug
WhinchatSaxicola rubetraPassage migrantUncommon12–14 cmRegularly May–Sep · 0.10% in Aug
Red KnotCalidris canutusWinter visitorCommon23–26 cmRegularly May–Feb · 0.08% in Aug
Tawny OwlStrix alucoResidentUncommon37–43 cmRecorded all year · 0.08% in Aug
Bar-tailed GodwitLimosa lapponicaWinter visitorUncommon37–41 cmRegularly Aug–May · 0.07% in Aug
Garden WarblerSylvia borinPassage migrantUncommon14–15 cmRegularly Apr–Aug · 0.07% in Aug
Pomarine JaegerStercorarius pomarinusPassage migrantUncommon46–51 cmRegularly Aug–Sep · 0.07% in Aug
Stock DoveColumba oenasSummer visitorUncommon32–34 cmRegularly Mar–Sep · 0.07% in Aug
Tree PipitAnthus trivialisSummer visitorUncommon14–16 cmRegularly Apr–Sep · 0.05% in Aug
Marsh TitPoecile palustrisResidentRare12–13 cmRegularly Aug · 0.04% in Aug
Western Marsh-harrierCircus aeruginosusResidentRare48–56 cmRegularly Aug · 0.04% in Aug
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