Of the some 900 species of bats, over half depend on echolocation to identify barriers in flight, find their method right into roosts as well as forage for food. Additionally, we must appreciate that in earlier times, residences were a lot more than good investments and also revenue tax breaks; they were an individual's safe refuge from several really genuine dangers. The bat, as an evil one or fiend, was seen as entering this sanctum with evil-minded intent.