groups of sleeping bats in cave - lesser mouse-eared bat myotis blythii and rhinolophus hipposideros - lesser horseshoe bat.

animal bats biodiversity biology black blythii brown cave caving climb colony conservation dark darkness deep dracula flight flying group groups habitat hanging hipposideros horseshoe lesser mammal mouse mouseeared mouth myotis nature nocturnal protection rhinolophus rock scary science sleeping speleology stone underground vampire wall wild wilderness wildlife wing winged