lesser horseshoe bat, rhinolophus hipposideros, in the nature cave habitat, cesky kras, czech. underground animal sitting on stone

animal biodiversity black brown cave caving cesky climb close closeup colony conservation czech dark darkness deep detail down dracula ecosystem flight greater habitat hanging hibernate hipposideros horseshoe interior kras lesser little mammal mouse mouseeared mouth myotis nature nocturnal over protection rhinolophus rock scary science sitting sleeping speleology stone underground vampire wall wild wilderness wildlife wing winged