Birds to See in Merthyr Tydfil in December
16 bird species on our list for Merthyr Tydfil are recorded regularly in December
Of these, the most often recorded are European Robin, Blue Tit, Magpie, Red Kite and Jackdaw. New this month: European Goldfinch, Dunnock, Long-tailed Tit and Treecreeper and 2 more.
On the move in December
GBIF · DecArriving
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 16 birds in December
16 birds
European RobinErithacus rubeculaWinter visitorCommon13–14 cmRegularly Oct–Jun · 4.95% in Dec
Blue TitCyanistes caeruleusWinter visitorCommon11–12 cmRegularly Nov–Jun · 3.89% in Dec
MagpiePica picaResidentCommon44–46 cmRegularly Oct–Jun · 3.53% in Dec
Red KiteMilvus milvusResidentCommon60–66 cmRegularly Oct–Apr · 3.53% in Dec
JackdawColoeus monedulaWinter visitorCommon34–39 cmRegularly Oct–Jun · 3.18% in Dec
European GoldfinchCarduelis carduelisResidentCommon12–13 cmRegularly Dec–Jun · 2.83% in Dec
Great TitParus majorWinter visitorCommonRegularly Nov–Jun · 2.83% in Dec
BullfinchPyrrhula pyrrhulaResidentCommon15–17 cmRegularly Dec–May · 2.47% in Dec
Coal TitPeriparus aterResidentCommon10–12 cmRegularly Nov–Mar · 2.47% in Dec
Long-tailed TitAegithalos caudatusResidentCommon13–16 cmRegularly Dec–May · 2.12% in Dec
Eurasian SiskinSpinus spinusResidentCommon11–13 cmRegularly Dec · 1.77% in Dec
Eurasian WrenTroglodytes troglodytesSummer visitorCommon9–10 cmRegularly Oct–Jul · 1.77% in Dec
TreecreeperCerthia familiarisResidentCommon12–14 cmRegularly Dec–Mar · 1.77% in Dec
DunnockPrunella modularisResidentCommon14–15 cmRegularly Oct–May · 1.41% in Dec
House SparrowPasser domesticusResidentCommon14–17 cmRegularly May–Dec · 1.41% in Dec
Song ThrushTurdus philomelosResidentCommon20–23 cmRegularly Apr–Dec · 1.41% in Dec
Smallest to largest
Length, cm- Eurasian Wren 9–10 cm
- Coal Tit 10–12 cm
- Blue Tit 11–12 cm
- Eurasian Siskin 11–13 cm
- European Goldfinch 12–13 cm
- Treecreeper 12–14 cm
- European Robin 13–14 cm
- Dunnock 14–15 cm
- Long-tailed Tit 13–16 cm
- Bullfinch 15–17 cm
- House Sparrow 14–17 cm
- Song Thrush 20–23 cm
- Jackdaw 34–39 cm
- Magpie 44–46 cm
- Red Kite 60–66 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