Birds to See in Gwynedd in September
119 bird species on our list for Gwynedd are recorded regularly in September
Of these, the most often recorded are Carrion Crow, European Robin, European Herring Gull, Woodpigeon and Black-headed Gull. New this month: Eurasian Wigeon, European Pied Flycatcher, Northern Pintail and Northern Lapwing and 6 more.
On the move in September
GBIF · SepArriving
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 September
119 birds
Carrion CrowCorvus coroneResidentCommon45–47 cmRecorded all year · 3.95% in Sep
European RobinErithacus rubeculaResidentCommon13–14 cmRecorded all year · 3.80% in Sep
European Herring GullLarus argentatusResidentCommon55–67 cmRecorded all year · 3.32% in Sep
WoodpigeonColumba palumbusResidentCommon40–42 cmRecorded all year · 2.65% in Sep
Black-headed GullChroicocephalus ridibundusResidentCommon38–44 cmRecorded all year · 2.29% in Sep
JackdawColoeus monedulaResidentCommon34–39 cmRecorded all year · 2.28% in Sep
Blue TitCyanistes caeruleusResidentCommon11–12 cmRecorded all year · 2.26% in Sep
Meadow PipitAnthus pratensisResidentCommon14–15 cmRecorded all year · 2.18% in Sep
MagpiePica picaResidentCommon44–46 cmRecorded all year · 2.11% in Sep
Eurasian OystercatcherHaematopus ostralegusResidentCommon40–45 cmRecorded all year · 1.98% in Sep
Eurasian WrenTroglodytes troglodytesResidentCommon9–10 cmRecorded all year · 1.96% in Sep
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year · 1.91% in Sep
BlackbirdTurdus merulaResidentCommon24–25 cmRecorded all year · 1.89% in Sep
Great CormorantPhalacrocorax carboResidentCommon80–100 cmRecorded all year · 1.83% in Sep
Pied WagtailMotacilla albaResidentCommon17–18 cmRecorded all year · 1.81% in Sep
Barn SwallowHirundo rusticaSummer visitorCommon17–19 cmRegularly Apr–Oct · 1.78% in Sep
CurlewNumenius arquataWinter visitorCommon50–60 cmRecorded all year · 1.76% in Sep
Common RavenCorvus coraxResidentCommon54–67 cmRecorded all year · 1.74% in Sep
Grey HeronArdea cinereaResidentCommon90–98 cmRecorded all year · 1.73% in Sep
DunnockPrunella modularisResidentCommon14–15 cmRecorded all year · 1.68% in Sep
BuzzardButeo buteoResidentCommon51–57 cmRecorded all year · 1.62% in Sep
Great Black-backed GullLarus marinusResidentCommon64–79 cmRecorded all year · 1.61% in Sep
Little EgretEgretta garzettaResidentCommon55–65 cmRecorded all year · 1.57% in Sep
Great TitParus majorResidentCommonRecorded all year · 1.56% in Sep
ChaffinchFringilla coelebsResidentCommon14–16 cmRecorded all year · 1.52% in Sep
StonechatSaxicola rubicolaResidentCommon12–13 cmRecorded all year · 1.51% in Sep
ChiffchaffPhylloscopus collybitaSummer visitorCommon10–12 cmRegularly Mar–Dec · 1.39% in Sep
House SparrowPasser domesticusResidentCommon14–17 cmRecorded all year · 1.37% in Sep
European GoldfinchCarduelis carduelisResidentCommon12–13 cmRecorded all year · 1.19% in Sep
RedshankTringa totanusWinter visitorCommon27–29 cmRegularly Jul–Apr · 1.17% in Sep
Grey WagtailMotacilla cinereaResidentCommon17–20 cmRecorded all year · 1.14% in Sep
GoldcrestRegulus regulusResidentCommon9–10 cmRecorded all year · 1.11% in Sep
LinnetLinaria cannabinaSummer visitorCommon13–14 cmRegularly Mar–Nov · 1.11% in Sep
Lesser Black-backed GullLarus fuscusResidentCommon52–64 cmRecorded all year · 1.04% in Sep
Northern GannetMorus bassanusSummer visitorCommon87–100 cmRegularly Mar–Oct · 1.02% in Sep
Mute SwanCygnus olorResidentCommon140–160 cmRecorded all year · 0.97% in Sep
Canada GooseBranta canadensisResidentCommon76–110 cmRecorded all year · 0.89% in Sep
House MartinDelichon urbicumSummer visitorCommon13–15 cmRegularly Apr–Oct · 0.85% in Sep
Ruddy TurnstoneArenaria interpresWinter visitorCommon21–24 cmRegularly Jul–May · 0.82% in Sep
Rock DoveColumba liviaResidentCommon31–34 cmRecorded all year · 0.80% in Sep
Sandwich TernThalasseus sandvicensisSummer visitorCommon36–41 cmRegularly Mar–Sep · 0.79% in Sep
WheatearOenanthe oenantheSummer visitorCommon15–16 cmRegularly Mar–Oct · 0.75% in Sep
Common MerganserMergus merganserResidentCommon58–68 cmRecorded all year · 0.74% in Sep
Eurasian NuthatchSitta europaeaResidentCommon12–15 cmRecorded all year · 0.74% in Sep
RookCorvus frugilegusResidentCommon45–47 cmRecorded all year · 0.74% in Sep
Long-tailed TitAegithalos caudatusResidentCommon13–16 cmRecorded all year · 0.70% in Sep
Ringed PloverCharadrius hiaticulaResidentCommon17–19 cmRecorded all year · 0.67% in Sep
Common StarlingSturnus vulgarisResidentCommon21–23 cmRecorded all year · 0.65% in Sep
DunlinCalidris alpinaWinter visitorCommon16–22 cmRecorded all year · 0.64% in Sep
Eurasian JayGarrulus glandariusResidentCommon32–35 cmRecorded all year · 0.64% in Sep
Eurasian WigeonMareca penelopeWinter visitorCommon42–51 cmRegularly Sep–Mar · 0.64% in Sep
Red-billed ChoughPyrrhocorax pyrrhocoraxSummer visitorCommon39–43 cmRegularly Mar–Jan · 0.62% in Sep
Red KiteMilvus milvusResidentCommon60–66 cmRecorded all year · 0.60% in Sep
Coal TitPeriparus aterResidentCommon10–12 cmRecorded all year · 0.59% in Sep
European ShagGulosus aristotelisResidentCommon65–80 cmRecorded all year · 0.57% in Sep
Great Spotted WoodpeckerDendrocopos majorResidentCommon23–26 cmRecorded all year · 0.57% in Sep
KestrelFalco tinnunculusResidentCommon32–39 cmRecorded all year · 0.57% in Sep
Eurasian Collared DoveStreptopelia decaoctoResidentCommon30–32 cmRecorded all year · 0.55% in Sep
MoorhenGallinula chloropusResidentCommon30–38 cmRecorded all year · 0.54% in Sep
Common GullLarus canusWinter visitorCommon40–46 cmRecorded all year · 0.50% in Sep
GreenshankTringa nebulariaWinter visitorCommon30–35 cmRegularly Jul–Apr · 0.50% in Sep
Rock PipitAnthus petrosusResidentCommon16–18 cmRecorded all year · 0.50% in Sep
Eurasian SkylarkAlauda arvensisSummer visitorCommon16–18 cmRegularly Feb–Dec · 0.47% in Sep
Song ThrushTurdus philomelosResidentCommon20–23 cmRecorded all year · 0.47% in Sep
BlackcapSylvia atricapillaSummer visitorCommon13–15 cmRegularly Mar–Dec · 0.45% in Sep
KittiwakeRissa tridactylaSummer visitorCommon37–41 cmRegularly Feb–Dec · 0.45% in Sep
RazorbillAlca tordaSummer visitorUncommon38–43 cmRegularly Apr–Dec · 0.45% in Sep
Willow WarblerPhylloscopus trochilusSummer visitorCommon11–13 cmRegularly Mar–Sep · 0.45% in Sep
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRegularly Aug–Apr · 0.44% in Sep
FulmarFulmarus glacialisSummer visitorCommon45–50 cmRegularly Apr–Sep · 0.44% in Sep
Great Crested GrebePodiceps cristatusWinter visitorCommon46–51 cmRecorded all year · 0.44% in Sep
SparrowhawkAccipiter nisusResidentUncommon28–38 cmRecorded all year · 0.42% in Sep
Eurasian SiskinSpinus spinusResidentCommon11–13 cmRecorded all year · 0.40% in Sep
Peregrine FalconFalco peregrinusResidentUncommon34–58 cmRegularly Aug–Feb · 0.39% in Sep
WhimbrelNumenius phaeopusPassage migrantCommon40–46 cmRegularly Apr–Oct · 0.39% in Sep
EiderSomateria mollissimaSummer visitorCommon50–71 cmRegularly Jan–Nov · 0.37% in Sep
Manx ShearwaterPuffinus puffinusSummer visitorCommon30–38 cmRegularly Apr–Sep · 0.37% in Sep
Common KingfisherAlcedo atthisResidentUncommon16–17 cmRegularly Apr–Feb · 0.35% in Sep
Common ScoterMelanitta nigraSummer visitorUncommon43–54 cmRegularly Jan–Nov · 0.35% in Sep
BullfinchPyrrhula pyrrhulaResidentCommon15–17 cmRecorded all year · 0.32% in Sep
Common ShelduckTadorna tadornaResidentCommon58–67 cmRecorded all year · 0.28% in Sep
Golden PloverPluvialis apricariaPassage migrantUncommon26–29 cmRegularly Sep–Apr · 0.28% in Sep
Little GrebeTachybaptus ruficollisWinter visitorCommon23–29 cmRegularly Aug–May · 0.28% in Sep
WhitethroatCurruca communisSummer visitorCommon13–15 cmRegularly Apr–Sep · 0.28% in Sep
Arctic JaegerStercorarius parasiticusPassage migrantUncommon41–46 cmRegularly Aug–Oct · 0.27% in Sep
Mistle ThrushTurdus viscivorusResidentCommon27–28 cmRecorded all year · 0.27% in Sep
Spotted FlycatcherMuscicapa striataSummer visitorUncommon14–16 cmRegularly May–Sep · 0.27% in Sep
Tawny OwlStrix alucoResidentUncommon37–43 cmRecorded all year · 0.27% in Sep
Black-tailed GodwitLimosa limosaWinter visitorCommon40–44 cmRegularly Jul–Apr · 0.25% in Sep
Common PheasantPhasianus colchicusResidentCommon50–90 cmRecorded all year · 0.25% in Sep
DipperCinclus cinclusResidentUncommon17–20 cmRecorded all year · 0.25% in Sep
Red-breasted MerganserMergus serratorWinter visitorCommon52–58 cmRecorded all year · 0.25% in Sep
Common SnipeGallinago gallinagoWinter visitorUncommon25–27 cmRegularly Aug–Apr · 0.23% in Sep
Greylag GooseAnser anserWinter visitorCommon75–90 cmRegularly Dec–Oct · 0.23% in Sep
SanderlingCalidris albaSummer visitorUncommon18–20 cmRegularly May–Dec · 0.23% in Sep
TreecreeperCerthia familiarisResidentUncommon12–14 cmRecorded all year · 0.22% in Sep
Bar-tailed GodwitLimosa lapponicaWinter visitorUncommon37–41 cmRegularly Aug–May · 0.20% in Sep
Arctic TernSterna paradisaeaPassage migrantCommon33–39 cmRegularly Apr–Sep · 0.18% in Sep
Northern LapwingVanellus vanellusWinter visitorCommon28–31 cmRegularly Sep–May · 0.18% in Sep
Great SkuaStercorarius skuaPassage migrantUncommon50–58 cmRegularly Sep–Oct · 0.17% in Sep
Mediterranean GullIchthyaetus melanocephalusResidentCommon37–40 cmRegularly Jul–Mar · 0.17% in Sep
OspreyPandion haliaetusSummer visitorCommon54–58 cmRegularly Mar–Sep · 0.17% in Sep
Reed BuntingEmberiza schoeniclusSummer visitorUncommon14–16 cmRegularly Mar–Jan · 0.17% in Sep
Common SandpiperActitis hypoleucosSummer visitorCommon18–20 cmRegularly Apr–Sep · 0.15% in Sep
Pomarine JaegerStercorarius pomarinusPassage migrantUncommon46–51 cmRegularly Aug–Sep · 0.15% in Sep
GreenfinchChloris chlorisResidentCommon15–16 cmRecorded all year · 0.13% in Sep
MerlinFalco columbariusPassage migrantUncommon24–33 cmRegularly Sep–Apr · 0.13% in Sep
Northern PintailAnas acutaWinter visitorCommon59–76 cmRegularly Sep–Feb · 0.13% in Sep
European Green WoodpeckerPicus viridisSummer visitorUncommon30–36 cmRegularly Mar–Dec · 0.12% in Sep
European Pied FlycatcherFicedula hypoleucaSummer visitorCommon12–14 cmRegularly Apr–Sep · 0.12% in Sep
Tree PipitAnthus trivialisSummer visitorUncommon14–16 cmRegularly Apr–Sep · 0.12% in Sep
Brent GooseBranta berniclaWinter visitorCommon55–66 cmRegularly Sep–Apr · 0.10% in Sep
Stock DoveColumba oenasSummer visitorUncommon32–34 cmRegularly Mar–Sep · 0.10% in Sep
Sand MartinRiparia ripariaSummer visitorCommon12–14 cmRegularly Mar–Sep · 0.08% in Sep
Common RedpollAcanthis flammeaSummer visitorUncommon12–14 cmRegularly Mar–Jan · 0.07% in Sep
Sooty ShearwaterArdenna griseaPassage migrantUncommon40–51 cmRegularly Sep · 0.07% in Sep
Tufted DuckAythya fuligulaWinter visitorUncommon40–47 cmRegularly May–Feb · 0.07% in Sep
Red KnotCalidris canutusWinter visitorCommon23–26 cmRegularly May–Feb · 0.05% in Sep
WhinchatSaxicola rubetraPassage migrantUncommon12–14 cmRegularly May–Sep · 0.05% in Sep
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