The Greater Mouse-Eared Bat is found across Europe and Asia.
For hibernation Greater mouse-eared Bat prefer caves among a variety of habitats dotted across the southern edges of Europe and Asia at altitudes from sea level up to four thousand metres.
Greater Mouse-Eared Bats also have an average lifespan of twelve years old with adults reaching lengths of forty seven millimetres tall and weighing as much as eleven grams . It has been recorded that they can eat as much as one fifth their body weight each in food such as beetles , moths and grasshoppers (insects) in one night.
The male of the species are generally larger than the female bats and they tend to roost alone or in small clusters rather than in large groups.
The Greater Mouse-Eared Bat has a unique method for hunting: they fly fast through the air until they spot their prey then swoop down and snatch up insects or small vertebrates with their claws.