Sylviid Warblers in Derry
Our list for Derry has 2 sylviid warblers recorded regularly there: 1 resident and 1 scarce visitor
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