Porsholmen, Östergötland

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:

In the outer wall, under the wooden facade of our summerhouse on the island Porsholmen in Bråviken.

Where is the Roost
House / Cabin
How long has it been used by Bats
>10 Years
How do you know it's a Bat Roost
Seen Bat Roosting
How many Bats use this Roost approximately
2-10
Do you know what Species use the Roost

No

How did you identify them
Visually Identified Bat
Do you have sound files of recorded Bats
No
How did you hear about BatMapper?: -radio -tv -newspaper -online news -social media - other (please give details)
Newspaper article (Östgöta Correspondenten)