2 large colonies, about 50st in one of them

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

NO, sorry they are pretty small

What did you observe?
Other (What did you Observe)
We have sen bats here since many years.
I am 4th generetion in this house and my family have seen bats here since The beginning, about 1940 something.
Can you give further details on the observation e.g. behavior, habitat etc:

There are 2 colonies, one colony under The roof of my house, and one in The roof of my storage-house. About 50 in one of them, and many in The other but cant count them, they live too high upp, about 8meters up... But they are many... 

How many bats did you see?
>50
How did you identify them
Visually Identified Bat
How did you hear about BatMapper?: -radio -tv -newspaper -online news -social media - other (please give details)
Joined a group on fb, and an administrator sent me a link...