Data sources and attribution

The UK Bird Atlas is a free, non-commercial resource. It sells nothing and carries no advertising. It aggregates open bird records into 10 km squares and months; no individual record is republished.

Build 2026-08-31, records to 2026-08-16. GBIF occurrence download: 10.15468/dl.krpwz5.

Grid squares: Ordnance Survey British National Grid (contains OS data © Crown copyright and database right 2026, Open Government Licence v3.0) and the Irish Grid for Northern Ireland. Place names on the maps: OS Open Names (OGL v3.0) for Great Britain, the OSNI Open Data place-name gazetteer (OGL v3.0) for Northern Ireland, and Natural Earth for the Isle of Man. County and country boundaries: Counties and Unitary Authorities (December 2024), Office for National Statistics, licensed under the Open Government Licence v3.0. Coastlines: Natural Earth (public domain). Taxonomy: AviList v2025b (CC BY 4.0) and the BOU British List.