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The UK Bird Atlas

The UK Bird Atlas

Where and when to see every bird species on the British List. Each species page has a month-by-month map across 10 km squares, built from 53,307,776 open bird records to 2026.

Species recorded per 10 km square

Species recorded per 10 km square, September

Darker squares have more species recorded (or more visits, on the coverage layer), relative to the other squares in that month. Contains OS data © Crown copyright and database right 2026 (grid squares, place names from OS Open Names; Northern Ireland place names from OSNI Open Data). Boundaries: Office for National Statistics, OGL v3.0. Coastline: Natural Earth.