Fladdermöss

Date of Observation
Sighting Details
What did you observe?
Other (What did you Observe)
They were flying around the trees in the area. I could also hear their sound.
How many bats did you see?
2-10
How did you hear about BatMapper?: -radio -tv -newspaper -online news -social media - other (please give details)
I think I heard absolut it in radio program Naturmorgon P1