Gulls & Terns in Pembrokeshire
Our list for Pembrokeshire has 15 gulls & terns recorded regularly there: 4 residents, 1 summer visitor, 3 winter visitors and 7 passage migrants
Most likely in October
GBIF · OctShare of all bird records in Pembrokeshire in October, 2019–2024. Each month links to that month’s page.
All 15, most common first
European Herring GullLarus argentatusResidentCommon55–67 cmRecorded all year
Black-headed GullChroicocephalus ridibundusWinter visitorCommon38–44 cmRecorded all year
Lesser Black-backed GullLarus fuscusResidentCommon52–64 cmRecorded all year
Great Black-backed GullLarus marinusResidentCommon64–79 cmRecorded all year
Mediterranean GullIchthyaetus melanocephalusWinter visitorCommon37–40 cmRegularly Jul–Mar
Common GullLarus canusWinter visitorCommon40–46 cmRegularly Aug–May
KittiwakeRissa tridactylaResidentCommon37–41 cmRecorded all year
Sandwich TernThalasseus sandvicensisSummer visitorUncommon36–41 cmRegularly Mar–Oct
Little GullHydrocoloeus minutusPassage migrantUncommon25–30 cmRegularly Sep–Feb
Arctic TernSterna paradisaeaPassage migrantUncommon33–39 cmRegularly Aug–Oct
Common TernSterna hirundoPassage migrantUncommon31–35 cmRegularly Aug–Sep
Yellow-legged GullLarus michahellisPassage migrantUncommon52–68 cmRegularly Feb
Sabine's GullXema sabiniPassage migrantUncommon27–33 cmRegularly Aug–Oct
Black TernChlidonias nigerPassage migrantUncommon22–26 cmRegularly Aug–Sep
Roseate TernSterna dougalliiPassage migrantRare33–41 cmRegularly Sep
Smallest to largest
Length, cm- Black Tern 22–26 cm
- Little Gull 25–30 cm
- Sabine's Gull 27–33 cm
- Common Tern 31–35 cm
- Arctic Tern 33–39 cm
- Roseate Tern 33–41 cm
- Mediterranean Gull 37–40 cm
- Sandwich Tern 36–41 cm
- Kittiwake 37–41 cm
- Black-headed Gull 38–44 cm
- Common Gull 40–46 cm
- Lesser Black-backed Gull 52–64 cm
- Yellow-legged Gull 52–68 cm
- European Herring Gull 55–67 cm
- Great Black-backed Gull 64–79 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