Gulls & Terns in Merthyr Tydfil
Our list for Merthyr Tydfil has 3 gulls & terns recorded regularly there: 3 residents
Most likely in October
GBIF · Oct
Share of all bird records in Merthyr Tydfil in October, 2019–2024. Each month links to that month’s page.
All 3, most common first
Smallest to largest
Length, cmBody 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