Gulls & Terns in Cardiff
Our list for Cardiff has 9 gulls & terns recorded regularly there: 4 residents, 2 winter visitors, 2 passage migrants and 1 scarce visitor
Most likely in October
GBIF · OctShare of all bird records in Cardiff in October, 2019–2024. Each month links to that month’s page.
All 9, most common first
Lesser Black-backed GullLarus fuscusResidentCommon52–64 cmRecorded all year
Black-headed GullChroicocephalus ridibundusResidentCommon38–44 cmRecorded all year
European Herring GullLarus argentatusResidentCommon55–67 cmRecorded all year
Great Black-backed GullLarus marinusWinter visitorUncommon64–79 cmRegularly Jul–May
Common GullLarus canusWinter visitorUncommon40–46 cmRegularly Oct–Apr
Yellow-legged GullLarus michahellisPassage migrantUncommon52–68 cmRegularly Jul–Mar
Little GullHydrocoloeus minutusPassage migrantUncommon25–30 cmRegularly Mar–Apr
Mediterranean GullIchthyaetus melanocephalusResidentUncommon37–40 cmRegularly Feb–Aug
Common TernSterna hirundoScarceRare31–35 cm
Smallest to largest
Length, cmData: 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

