wintering of bats in quarries

animal animals bat bats beast beauty biophysics blood brandti brandts brown cave common condensation daubenton daubentoni dew dewdrop dewpoint diapause disgust down dungeon europe fear flier flight grasping gray hang hibernate hibernation leather mice mouse myotis mystacinus night nocturnal nocturnalhabit point quarries radar saturation silent sleep sleeping sonar suck temperature ultrasound unpleasant upside vampire whiskered wild wing winter wintering