Date of Observation Tue, 07/02/2019 - 22:00 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: Under tin roof 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 Flying How many Bats use this Roost approximately 2-10 Do you know what Species use the Roost Probably Eptesicus nilssonii How did you identify them Visually Identified Bat Do you have sound files of recorded Bats No Photos Yes How did you hear about BatMapper?: -radio -tv -newspaper -online news -social media - other (please give details) .