Lesser horseshoe bat (Rhinolophus hipposideros) hibernating in a cave, Thuringia, Germany, Europe

animal animals bat bats cave caves europe fauna germany hibernating hibernation hipposideros horseshoe in inboard indoor indoors inside interior internal kingdom lesser mammal mammalia mammalian mammalians mammals microchiroptera nature nobody photo relax relaxing rest resting rests rhinolophus sleep sleeping sleeps tetrapod thuringia vertebrata vertebrate vertebrates view views wild wildlife world