bats as inhabitants of caves and dungeons.

and animals bat bats big biophysics blood brown cave caves clawed common daubentoni daubentons disease disgust down dungeon dungeons european fear flight grasping hang hibernate hibernation horror infection inhabitants large little mammals migration mine mouse mouseeared movies myotis nature paw radar silent sleep sonar state suck tunnel ultrasound unpleasant upside vampire vespertilionidae water witch witchcraft