A lion's roar can be heard five miles away
The lion has the loudest roar of all the big cats. It's so loud it can reach 114 decibels (at a distance of around one meter) and can be heard from as far away as five miles.
The volume has to do with the shape of the lion's larynx. The lions' square and flat vocal cords allow them to respond easier to air passing through. Therefore, they produce a louder roar with minimal effort.
