Kållandsö

Date of Observation
Roost Details
Give specific details on the location e.g. is it in the attic, under roof tiles, inside the building, in a tree hole, underneath bark of a tree:

BarnWall faceing South. 
 

and maybe in the 250 year Old oaktree 50 m from the barn. At least they fly there a lot.

Where is the Roost
ladugård
How long has it been used by Bats
>10 Years
How do you know it's a Bat Roost
Seen Bat Roosting
Other (How do you know it's a Bat Roost)
Droppings, flying around.
How many Bats use this Roost approximately
11-25
How did you identify them
Visually Identified Bat
Do you have sound files of recorded Bats
No
Yes
How did you hear about BatMapper?: -radio -tv -newspaper -online news -social media - other (please give details)
Vetenskapsradion