Gulls & Terns in Powys
Our list for Powys has 5 gulls & terns recorded regularly there: 4 residents and 1 scarce visitor
Most likely in October
GBIF · OctShare of all bird records in Powys in October, 2019–2024. Each month links to that month’s page.
All 5, most common first
Black-headed GullChroicocephalus ridibundusResidentCommon38–44 cmRecorded all year
Lesser Black-backed GullLarus fuscusResidentCommon52–64 cmRecorded all year
European Herring GullLarus argentatusResidentCommon55–67 cmRecorded all year
Great Black-backed GullLarus marinusResidentUncommon64–79 cmRegularly Jul–Apr
Common GullLarus canusScarceUncommon40–46 cm
Smallest to largest
Length, 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

