Birds to See in Hertfordshire in April
141 bird species on our list for Hertfordshire are recorded regularly in April
Of these, the most often recorded are Woodpigeon, European Robin, Blackbird, Blue Tit and Great Tit. New this month: Common Swift, Whitethroat, Barn Swallow and Common Tern and 24 more.
On the move in April
GBIF · AprArriving
At their peak
From Hertfordshire’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 141 birds in April
141 birds
WoodpigeonColumba palumbusResidentCommon40–42 cmRecorded all year · 3.62% in Apr
European RobinErithacus rubeculaResidentCommon13–14 cmRecorded all year · 3.31% in Apr
BlackbirdTurdus merulaResidentCommon24–25 cmRecorded all year · 3.27% in Apr
Blue TitCyanistes caeruleusResidentCommon11–12 cmRecorded all year · 3.20% in Apr
Great TitParus majorResidentCommonRecorded all year · 2.83% in Apr
MagpiePica picaResidentCommon44–46 cmRecorded all year · 2.81% in Apr
Carrion CrowCorvus coroneResidentCommon45–47 cmRecorded all year · 2.73% in Apr
JackdawColoeus monedulaResidentCommon34–39 cmRecorded all year · 2.60% in Apr
Eurasian WrenTroglodytes troglodytesResidentCommon9–10 cmRecorded all year · 2.58% in Apr
European GoldfinchCarduelis carduelisResidentCommon12–13 cmRecorded all year · 2.57% in Apr
DunnockPrunella modularisResidentCommon14–15 cmRecorded all year · 2.47% in Apr
ChiffchaffPhylloscopus collybitaSummer visitorCommon10–12 cmRecorded all year · 2.22% in Apr
BlackcapSylvia atricapillaSummer visitorCommon13–15 cmRegularly Jan–Oct · 2.19% in Apr
Red KiteMilvus milvusResidentCommon60–66 cmRecorded all year · 2.17% in Apr
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year · 1.99% in Apr
Common StarlingSturnus vulgarisResidentCommon21–23 cmRecorded all year · 1.73% in Apr
Canada GooseBranta canadensisResidentCommon76–110 cmRecorded all year · 1.68% in Apr
Song ThrushTurdus philomelosResidentCommon20–23 cmRecorded all year · 1.67% in Apr
MoorhenGallinula chloropusResidentCommon30–38 cmRecorded all year · 1.55% in Apr
CootFulica atraResidentCommon36–42 cmRecorded all year · 1.55% in Apr
ChaffinchFringilla coelebsResidentCommon14–16 cmRecorded all year · 1.52% in Apr
Lesser Black-backed GullLarus fuscusResidentCommon52–64 cmRecorded all year · 1.45% in Apr
BuzzardButeo buteoResidentCommon51–57 cmRecorded all year · 1.44% in Apr
Stock DoveColumba oenasResidentCommon32–34 cmRecorded all year · 1.44% in Apr
House SparrowPasser domesticusResidentCommon14–17 cmRecorded all year · 1.38% in Apr
Eurasian Collared DoveStreptopelia decaoctoResidentCommon30–32 cmRecorded all year · 1.36% in Apr
Rock DoveColumba liviaResidentCommon29–37 cmRecorded all year · 1.35% in Apr
Black-headed GullChroicocephalus ridibundusResidentCommon38–44 cmRecorded all year · 1.32% in Apr
GreenfinchChloris chlorisResidentCommon15–16 cmRecorded all year · 1.29% in Apr
Mute SwanCygnus olorResidentCommon140–160 cmRecorded all year · 1.28% in Apr
Tufted DuckAythya fuligulaResidentCommon40–47 cmRecorded all year · 1.27% in Apr
Common PheasantPhasianus colchicusResidentCommon50–90 cmRecorded all year · 1.27% in Apr
Barn SwallowHirundo rusticaSummer visitorCommon17–19 cmRegularly Apr–Oct · 1.26% in Apr
Long-tailed TitAegithalos caudatusResidentCommon13–16 cmRecorded all year · 1.25% in Apr
Great CormorantPhalacrocorax carboResidentCommon80–100 cmRecorded all year · 1.16% in Apr
Grey HeronArdea cinereaResidentCommon90–98 cmRecorded all year · 1.14% in Apr
Eurasian SkylarkAlauda arvensisResidentCommon16–18 cmRecorded all year · 1.08% in Apr
Great Crested GrebePodiceps cristatusResidentCommon46–51 cmRecorded all year · 1.07% in Apr
GadwallMareca streperaResidentCommon46–56 cmRecorded all year · 1.04% in Apr
RookCorvus frugilegusResidentCommon45–47 cmRecorded all year · 0.96% in Apr
Greylag GooseAnser anserResidentCommon75–90 cmRecorded all year · 0.95% in Apr
Eurasian JayGarrulus glandariusResidentCommon32–35 cmRecorded all year · 0.94% in Apr
Pied WagtailMotacilla albaResidentCommon17–19 cmRecorded all year · 0.88% in Apr
European Herring GullLarus argentatusResidentCommon55–67 cmRecorded all year · 0.87% in Apr
Rose-ringed ParakeetPsittacula krameriResidentCommon38–42 cmRecorded all year · 0.86% in Apr
European Green WoodpeckerPicus viridisResidentCommon30–36 cmRecorded all year · 0.84% in Apr
LinnetLinaria cannabinaResidentCommon13–14 cmRecorded all year · 0.80% in Apr
Cetti's WarblerCettia cettiResidentCommon13–14 cmRecorded all year · 0.80% in Apr
Great Spotted WoodpeckerDendrocopos majorResidentCommon23–26 cmRecorded all year · 0.79% in Apr
Little EgretEgretta garzettaResidentCommon55–65 cmRecorded all year · 0.71% in Apr
PochardAythya ferinaResidentCommon42–49 cmRecorded all year · 0.68% in Apr
Reed BuntingEmberiza schoeniclusResidentCommon14–16 cmRecorded all year · 0.67% in Apr
KestrelFalco tinnunculusResidentCommon32–39 cmRecorded all year · 0.65% in Apr
Northern ShovelerSpatula clypeataWinter visitorCommon44–51 cmRecorded all year · 0.64% in Apr
Eurasian TealAnas creccaWinter visitorCommon34–38 cmRecorded all year · 0.63% in Apr
Northern LapwingVanellus vanellusResidentCommon28–31 cmRecorded all year · 0.62% in Apr
GoldcrestRegulus regulusResidentCommon9–10 cmRecorded all year · 0.61% in Apr
Mistle ThrushTurdus viscivorusResidentCommon26–29 cmRecorded all year · 0.61% in Apr
WhitethroatCurruca communisSummer visitorCommon13–15 cmRegularly Apr–Sep · 0.59% in Apr
Sand MartinRiparia ripariaSummer visitorCommon12–14 cmRegularly Mar–Sep · 0.52% in Apr
Egyptian GooseAlopochen aegyptiacaResidentCommon63–73 cmRecorded all year · 0.51% in Apr
Eurasian NuthatchSitta europaeaResidentCommon12–15 cmRecorded all year · 0.49% in Apr
YellowhammerEmberiza citrinellaResidentCommon16–17 cmRecorded all year · 0.49% in Apr
Sedge WarblerAcrocephalus schoenobaenusSummer visitorCommon12–13 cmRegularly Apr–Sep · 0.48% in Apr
Coal TitPeriparus aterResidentCommon10–12 cmRecorded all year · 0.47% in Apr
Little Ringed PloverThinornis dubiusSummer visitorCommon14–17 cmRegularly Mar–Aug · 0.46% in Apr
SparrowhawkAccipiter nisusResidentCommon28–38 cmRecorded all year · 0.44% in Apr
Little GrebeTachybaptus ruficollisResidentCommon23–29 cmRecorded all year · 0.44% in Apr
House MartinDelichon urbicumSummer visitorCommon13–15 cmRegularly Apr–Oct · 0.43% in Apr
Common TernSterna hirundoSummer visitorCommon31–35 cmRegularly Apr–Aug · 0.38% in Apr
Eurasian OystercatcherHaematopus ostralegusSummer visitorUncommon40–45 cmRegularly Feb–Aug · 0.36% in Apr
Willow WarblerPhylloscopus trochilusSummer visitorUncommon11–13 cmRegularly Apr–Sep · 0.36% in Apr
Grey WagtailMotacilla cinereaResidentCommon17–20 cmRecorded all year · 0.35% in Apr
Common Reed-warblerAcrocephalus scirpaceusSummer visitorCommon13–14 cmRegularly Apr–Sep · 0.32% in Apr
Common SnipeGallinago gallinagoWinter visitorCommon25–27 cmRegularly Aug–May · 0.30% in Apr
Meadow PipitAnthus pratensisWinter visitorCommon14–15 cmRecorded all year · 0.29% in Apr
Yellow WagtailMotacilla flavaSummer visitorUncommon15–17 cmRegularly Apr–Sep · 0.29% in Apr
Red-legged PartridgeAlectoris rufaResidentUncommon32–34 cmRecorded all year · 0.24% in Apr
Red-crested PochardNetta rufinaResidentUncommon53–57 cmRecorded all year · 0.22% in Apr
Common RavenCorvus coraxResidentUncommon54–67 cmRecorded all year · 0.21% in Apr
TreecreeperCerthia familiarisResidentUncommon12–14 cmRecorded all year · 0.21% in Apr
Corn BuntingEmberiza calandraResidentUncommon16–19 cmRecorded all year · 0.20% in Apr
Garden WarblerSylvia borinSummer visitorCommon14–15 cmRegularly Apr–Aug · 0.19% in Apr
Mandarin DuckAix galericulataSummer visitorUncommon41–49 cmRecorded all year · 0.19% in Apr
Common KingfisherAlcedo atthisResidentCommon16–17 cmRecorded all year · 0.18% in Apr
Common GullLarus canusWinter visitorCommon40–46 cmRegularly Aug–Apr · 0.17% in Apr
Lesser WhitethroatCurruca currucaSummer visitorUncommon11–13 cmRegularly Apr–Sep · 0.17% in Apr
Common SwiftApus apusSummer visitorCommon16–17 cmRegularly Apr–Sep · 0.16% in Apr
WheatearOenanthe oenanthePassage migrantUncommon15–16 cmRegularly Mar–Sep · 0.14% in Apr
Green SandpiperTringa ochropusWinter visitorCommon21–24 cmRegularly Jun–Apr · 0.13% in Apr
CuckooCuculus canorusSummer visitorCommon32–34 cmRegularly Apr–Jul · 0.11% in Apr
BullfinchPyrrhula pyrrhulaResidentUncommon15–17 cmRecorded all year · 0.11% in Apr
Common SandpiperActitis hypoleucosPassage migrantCommon18–20 cmRegularly Apr–Oct · 0.10% in Apr
Grey PartridgePerdix perdixResidentUncommon28–32 cmRecorded all year · 0.09% in Apr
Common ShelduckTadorna tadornaWinter visitorUncommon58–67 cmRegularly Nov–Jun · 0.09% in Apr
FieldfareTurdus pilarisWinter visitorCommon22–27 cmRegularly Oct–Apr · 0.08% in Apr
Water RailRallus aquaticusWinter visitorCommon23–28 cmRecorded all year · 0.08% in Apr
Eurasian SiskinSpinus spinusWinter visitorCommon11–13 cmRegularly Sep–Apr · 0.08% in Apr
Eurasian WigeonMareca penelopeWinter visitorCommon42–51 cmRegularly Aug–Apr · 0.07% in Apr
Tawny OwlStrix alucoResidentUncommon37–43 cmRecorded all year · 0.06% in Apr
Common RedpollAcanthis flammeaWinter visitorUncommon12–14 cmRegularly Oct–Apr · 0.05% in Apr
HobbyFalco subbuteoSummer visitorUncommon28–35 cmRegularly Apr–Oct · 0.05% in Apr
Arctic TernSterna paradisaeaPassage migrantRare33–39 cmRegularly Apr–May · 0.05% in Apr
Little OwlAthene noctuaResidentUncommon21–23 cmRecorded all year · 0.04% in Apr
Ring OuzelTurdus torquatusPassage migrantRare23–24 cmRegularly Apr · 0.04% in Apr
RedshankTringa totanusSummer visitorUncommon27–29 cmRegularly Mar–Aug · 0.04% in Apr
Barn OwlTyto albaResidentUncommon33–39 cmRecorded all year · 0.04% in Apr
Peregrine FalconFalco peregrinusResidentUncommon34–58 cmRecorded all year · records held back in Apr (protected)
GreenshankTringa nebulariaPassage migrantUncommon30–35 cmRegularly Apr–Sep · 0.04% in Apr
Cattle EgretArdea ibisResidentRare46–56 cmRegularly Aug–May · 0.04% in Apr
DunlinCalidris alpinaResidentRare16–22 cmRegularly Mar–Nov · 0.04% in Apr
BramblingFringilla montifringillaWinter visitorUncommon14–16 cmRegularly Oct–Apr · 0.03% in Apr
Grasshopper WarblerLocustella naeviaSummer visitorRare12–13 cmRegularly Apr–Jul · 0.03% in Apr
Little GullHydrocoloeus minutusPassage migrantRare25–30 cmRegularly Mar–May · 0.03% in Apr
Mediterranean GullIchthyaetus melanocephalusSummer visitorRare37–40 cmRegularly Mar–Jan · 0.03% in Apr
FirecrestRegulus ignicapillaWinter visitorRare9–10 cmRegularly Sep–Jun · 0.03% in Apr
Great Black-backed GullLarus marinusWinter visitorUncommon64–79 cmRegularly Jul–Apr · 0.03% in Apr
Western Marsh-harrierCircus aeruginosusSummer visitorUncommon48–56 cmRegularly Mar–Oct · 0.03% in Apr
Common RedstartPhoenicurus phoenicurusPassage migrantUncommon13–15 cmRegularly Apr–Sep · 0.03% in Apr
Yellow-legged GullLarus michahellisWinter visitorUncommon52–68 cmRecorded all year · 0.02% in Apr
Eurasian Tree SparrowPasser montanusWinter visitorRare13–14 cmRegularly Aug–Jun · 0.02% in Apr
Ringed PloverCharadrius hiaticulaPassage migrantUncommon17–19 cmRegularly Apr–Sep · 0.02% in Apr
Bar-tailed GodwitLimosa lapponicaResidentRare37–41 cmRegularly Apr · 0.02% in Apr
Barnacle GooseBranta leucopsisWinter visitorUncommon58–70 cmRegularly Jul–May · 0.02% in Apr
GarganeySpatula querquedulaSummer visitorUncommon37–41 cmRegularly Apr–Oct · 0.02% in Apr
Marsh TitPoecile palustrisWinter visitorUncommon12–13 cmRecorded all year · 0.02% in Apr
WhimbrelNumenius phaeopusPassage migrantRare40–46 cmRegularly Apr–May · 0.02% in Apr
Northern PintailAnas acutaWinter visitorRare59–76 cmRegularly Sep–Jun · records held back in Apr (protected)
Common ScoterMelanitta nigraResidentRare43–54 cmRegularly Apr–Jun · 0.02% in Apr
Sandwich TernThalasseus sandvicensisPassage migrantRare36–41 cmRegularly Apr · 0.01% in Apr
WhinchatSaxicola rubetraPassage migrantUncommon12–14 cmRegularly Apr–Sep · 0.01% in Apr
Golden PloverPluvialis apricariaWinter visitorUncommon26–29 cmRegularly Sep–Apr · 0.01% in Apr
CurlewNumenius arquataResidentRare50–60 cmRegularly Mar–Apr · 0.01% in Apr
Black-tailed GodwitLimosa limosaResidentRare40–44 cmRegularly Mar–Aug · 0.01% in Apr
Hen HarrierCircus cyaneusPassage migrantRare41–52 cmRegularly Jan–Jul · records held back in Apr (protected)
Black-necked GrebePodiceps nigricollisPassage migrantRare28–34 cmRegularly Mar–Aug · records held back in Apr (protected)
Common MerganserMergus merganserWinter visitorUncommon58–68 cmRegularly Nov–Apr · 0.01% in Apr
Jack SnipeLymnocryptes minimusWinter visitorUncommon17–19 cmRegularly Oct–Apr · 0.01% in Apr
OspreyPandion haliaetusPassage migrantRare54–58 cmRegularly Apr–Sep · 0.01% in Apr
Helmeted GuineafowlNumida meleagrisWinter visitorRare53–63 cmRegularly Dec–Aug · 0.00% in Apr
MerlinFalco columbariusWinter visitorRare24–33 cmRegularly Oct–Apr · 0.00% in Apr
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