Gulls & Terns in Conwy
Our list for Conwy has 9 gulls & terns recorded regularly there: 4 residents, 2 summer visitors, 1 winter visitor, 1 passage migrant and 1 scarce visitor
Most likely in October
GBIF · OctShare of all bird records in Conwy in October, 2019–2024. Each month links to that month’s page.
All 9, most common first
European Herring GullLarus argentatusResidentCommon55–67 cmRecorded all year
Black-headed GullChroicocephalus ridibundusResidentCommon38–44 cmRecorded all year
Lesser Black-backed GullLarus fuscusSummer visitorCommon52–64 cmRecorded all year
Great Black-backed GullLarus marinusResidentCommon64–79 cmRecorded all year
Common GullLarus canusWinter visitorCommon40–46 cmRecorded all year
Sandwich TernThalasseus sandvicensisPassage migrantCommon36–41 cmRegularly Mar–Sep
KittiwakeRissa tridactylaSummer visitorUncommon37–41 cmRegularly Jan–Nov
Common TernSterna hirundoScarceUncommon31–35 cm
Mediterranean GullIchthyaetus melanocephalusResidentUncommon37–40 cmRegularly Jun–Jul
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