Birds to See in Merthyr Tydfil in May
25 bird species on our list for Merthyr Tydfil are recorded regularly in May
Of these, the most often recorded are Jackdaw, Woodpigeon, Blackbird, Carrion Crow and European Robin. New this month: Common Swift, Eurasian Wren, Dunnock and House Sparrow and 7 more.
On the move in May
GBIF · MayArriving
At their peak
From Merthyr Tydfil’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 25 birds in May
25 birds
JackdawColoeus monedulaWinter visitorCommon34–39 cmRegularly Oct–Jun · 5.33% in May
WoodpigeonColumba palumbusSummer visitorCommon40–42 cmRegularly Oct–Jul · 5.00% in May
BlackbirdTurdus merulaResidentCommon24–25 cmRegularly Oct–Jun · 4.67% in May
Carrion CrowCorvus coroneSummer visitorCommon45–47 cmRegularly Oct–Jul · 4.67% in May
European RobinErithacus rubeculaWinter visitorCommon13–14 cmRegularly Oct–Jun · 4.67% in May
MagpiePica picaResidentCommon44–46 cmRegularly Oct–Jun · 4.67% in May
House SparrowPasser domesticusResidentCommon14–17 cmRegularly May–Dec · 3.33% in May
Song ThrushTurdus philomelosResidentCommon20–23 cmRegularly Apr–Dec · 3.33% in May
Great TitParus majorWinter visitorCommonRegularly Nov–Jun · 3.00% in May
Blue TitCyanistes caeruleusWinter visitorCommon11–12 cmRegularly Nov–Jun · 2.67% in May
Canada GooseBranta canadensisResidentCommon76–110 cmRegularly Oct–Jun · 2.67% in May
ChaffinchFringilla coelebsResidentCommon14–16 cmRegularly Jan–Jun · 2.67% in May
ChiffchaffPhylloscopus collybitaSummer visitorCommon10–12 cmRegularly Mar–Jul · 2.67% in May
DipperCinclus cinclusResidentCommon17–20 cmRegularly Mar–May · 2.33% in May
DunnockPrunella modularisResidentCommon14–15 cmRegularly Oct–May · 2.33% in May
BuzzardButeo buteoResidentCommon51–57 cmRegularly Aug–May · 1.67% in May
Eurasian WrenTroglodytes troglodytesSummer visitorCommon9–10 cmRegularly Oct–Jul · 1.67% in May
Long-tailed TitAegithalos caudatusResidentCommon13–16 cmRegularly Dec–May · 1.67% in May
Rock DoveColumba liviaResidentCommon31–34 cmRegularly May–Nov · 1.67% in May
Willow WarblerPhylloscopus trochilusPassage migrantCommon11–13 cmRegularly May–Jun · 1.67% in May
Barn SwallowHirundo rusticaPassage migrantCommon17–19 cmRegularly May–Jun · 1.33% in May
BullfinchPyrrhula pyrrhulaResidentCommon15–17 cmRegularly Dec–May · 1.33% in May
Common SwiftApus apusPassage migrantCommon16–17 cmRegularly May · 1.33% in May
Eurasian Collared DoveStreptopelia decaoctoResidentCommon30–32 cmRegularly May · 1.33% in May
Pied WagtailMotacilla albaResidentCommon17–18 cmRegularly May · 1.33% in May
Smallest to largest
Length, cm- Eurasian Wren 9–10 cm
- Chiffchaff 10–12 cm
- Blue Tit 11–12 cm
- Willow Warbler 11–13 cm
- European Robin 13–14 cm
- Dunnock 14–15 cm
- Long-tailed Tit 13–16 cm
- Chaffinch 14–16 cm
- House Sparrow 14–17 cm
- Bullfinch 15–17 cm
- Common Swift 16–17 cm
- Pied Wagtail 17–18 cm
- Barn Swallow 17–19 cm
- Dipper 17–20 cm
- Song Thrush 20–23 cm
- Blackbird 24–25 cm
- Eurasian Collared Dove 30–32 cm
- Rock Dove 31–34 cm
- Jackdaw 34–39 cm
- Woodpigeon 40–42 cm
- Magpie 44–46 cm
- Carrion Crow 45–47 cm
- Buzzard 51–57 cm
- Canada Goose 76–110 cm
Body length, bill to tail. Rare birds in grey.
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