First sighting May 2021

Date of Observation
Sighting Details
Do you know what species you observed?

Haven't seen the bat yet, just the droppings that proves that he´s (?) returned for the summer.

What did you observe?
How many bats did you see?
1
How did you hear about BatMapper?: -radio -tv -newspaper -online news -social media - other (please give details)
I think it was online, or possibly newspaper,