Field Survey
Based on the data received for 2021, 165 volunteers carried out the Field Survey at 195 sites. This survey involves walking a triangular transect within a 1km square and counting noctule, serotine, common pipistrelle and soprano pipistrelle passes.
Noctule and Leisler's bat
Noctules were recorded at 95 sites this year (49% of sites surveyed).
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Serotine
Serotines were recorded at 39 sites (20% of sites surveyed).
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Common pipistrelle
Common pipistrelles were recorded at 172 sites (88% of sites surveyed).
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Soprano pipistrelle
Soprano pipistrelles were recorded at 108 sites (55% of sites surveyed).
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