Field Survey

Based on the data received for 2018, 188 volunteers carried out the Field Survey at 209 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

Field Survey

Noctules were recorded at 100 sites (48% of sites surveyed) and Leisler's bats were recorded at 1 site in Northern Ireland​

Serotine

Field Survey

Serotines were recorded at 34 sites (16% of sites surveyed)

Common pipistrelle

Field Survey

Common pipistrelles were recorded at 195 sites (93% of sites surveyed)

Soprano pipistrelle

Field Survey

Soprano pipistrelles were recorded at 119 sites (57% of sites surveyed)