Swallows & Martins in Merthyr Tydfil
Our list for Merthyr Tydfil has 2 swallows & martins recorded regularly there: 2 passage migrants
All 2, most common first
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