Gulls & Terns in West Dunbartonshire
Our list for West Dunbartonshire has 6 gulls & terns recorded regularly there: 4 residents, 1 summer visitor and 1 passage migrant
Most likely in October
GBIF · OctShare of all bird records in West Dunbartonshire in October, 2019–2024. Each month links to that month’s page.
All 6, most common first
Lesser Black-backed GullLarus fuscusSummer visitorCommon52–64 cmRegularly Jan–Oct
Black-headed GullChroicocephalus ridibundusResidentCommon38–44 cmRegularly May–Mar
European Herring GullLarus argentatusResidentCommon55–67 cmRegularly Dec–Oct
Common GullLarus canusResidentCommon40–46 cmRegularly Sep–Jul
Great Black-backed GullLarus marinusResidentCommon64–79 cmRegularly Jan–Jun
Common TernSterna hirundoPassage migrantUncommon31–35 cmRegularly May
Smallest to largest
Length, cm- Common Tern 31–35 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