Gulls & Terns in Ceredigion
Our list for Ceredigion has 11 gulls & terns recorded regularly there: 5 residents, 1 summer visitor, 1 winter visitor, 2 passage migrants and 2 scarce visitors
Most likely in October
GBIF · OctShare of all bird records in Ceredigion in October, 2019–2024. Each month links to that month’s page.
All 11, most common first
European Herring GullLarus argentatusResidentCommon55–67 cmRecorded all year
Black-headed GullChroicocephalus ridibundusResidentCommon38–44 cmRecorded all year
Lesser Black-backed GullLarus fuscusResidentCommon52–64 cmRecorded all year
Great Black-backed GullLarus marinusResidentCommon64–79 cmRecorded all year
Sandwich TernThalasseus sandvicensisPassage migrantCommon36–41 cmRegularly Apr–Sep
Mediterranean GullIchthyaetus melanocephalusResidentCommon37–40 cmRegularly Jul–Apr
Common GullLarus canusWinter visitorCommon40–46 cmRegularly Aug–May
KittiwakeRissa tridactylaSummer visitorCommon37–41 cmRegularly Apr–Oct
Common TernSterna hirundoPassage migrantUncommon31–35 cmRegularly Aug–Sep
Little GullHydrocoloeus minutusScarceUncommon25–30 cm
Arctic TernSterna paradisaeaScarceUncommon33–39 cm
Smallest to largest
Length, cm- Little Gull 25–30 cm
- Common Tern 31–35 cm
- Arctic Tern 33–39 cm
- Sandwich Tern 36–41 cm
- Mediterranean Gull 37–40 cm
- Kittiwake 37–41 cm
- Black-headed Gull 38–44 cm
- Common Gull 40–46 cm
- Lesser Black-backed Gull 52–64 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