Gulls & Terns in Stockton-on-Tees
Our list for Stockton-on-Tees has 12 gulls & terns recorded regularly there: 4 residents, 4 summer visitors, 2 passage migrants and 2 scarce visitors
Most likely in October
GBIF · OctShare of all bird records in Stockton-on-Tees in October, 2019–2024. Each month links to that month’s page.
All 12, most common first
Black-headed GullChroicocephalus ridibundusResidentCommon38–44 cmRecorded all year
European Herring GullLarus argentatusResidentCommon55–67 cmRecorded all year
Common TernSterna hirundoSummer visitorCommon31–35 cmRegularly May–Sep
Lesser Black-backed GullLarus fuscusSummer visitorCommon52–64 cmRecorded all year
Great Black-backed GullLarus marinusResidentCommon64–79 cmRecorded all year
Common GullLarus canusResidentCommon40–46 cmRecorded all year
Mediterranean GullIchthyaetus melanocephalusSummer visitorUncommon37–40 cmRegularly Mar–Jul
Sandwich TernThalasseus sandvicensisSummer visitorUncommon36–41 cmRegularly May–Jul
Little GullHydrocoloeus minutusPassage migrantUncommon25–30 cmRegularly Apr–May
Black TernChlidonias nigerScarceUncommon22–26 cmRegularly Aug
Roseate TernSterna dougalliiScarceUncommon33–41 cmRegularly Jun
Arctic TernSterna paradisaeaPassage migrantUncommon33–39 cmRegularly Jun–Jul
Smallest to largest
Length, cm- Black Tern 22–26 cm
- Little Gull 25–30 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
- 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

