Field Survey
Based on the data received for 2020, 130 volunteers carried out the Field Survey at 142 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 66 sites this year (48% of sites surveyed).
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Serotine
Serotines were recorded at 34 sites (24% of sites surveyed).
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Common pipistrelle
Common pipistrelles were recorded at 119 sites (84% of sites surveyed).
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Soprano pipistrelle
Soprano pipistrelles were recorded at 77 sites (54% of sites surveyed).
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