noctule

noctule

Observation - noctule - UK and Ireland. Description: This is a sonogram recorded from my Batbox duet feeding a recorder, recorded in real-time at 19:05 BST approx. The location was on the east bank of the River Thames by Wallingford bridge. Weather was fair. The sonogram is produced using 'Batscan'.

This is a sonogram recorded from my Batbox duet feeding a recorder, recorded in real-time at 19:05 BST approx. The location was on the east bank of the River Thames by Wallingford bridge. Weather was fair. The sonogram is produced using 'Batscan'.