This interactive map shows the distribution of a species in every 1km monad and 10km hectad in Great Britain and Ireland as of December 2025. Either select a species from the list or start typing to filter the list. Click on each square for more information, including the vice-county if known.
Hectads do not include monad records - zoom in to see those. You can opt to see a 1km grid when zoomed in. Individual record details are not shown. Squares for the Channel Islands cannot be shown. No zoomed-in maps available for the Ireland or the Isle of Man. Click here to see a map of all species in every square - slow to load.
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