A lion's roar is a deep, powerful and unmistakable sound that can be heard from miles away. It is the loudest roar of any big cat and can reach up to 114 decibels, which is louder than a chainsaw. The roar is produced by the lion's larynx, and it is composed of a combination of low-pitched and high-pitched sounds. The barking at the end of the lion's roar ( as shown here by Smokey) is a distinctive part of their vocal repertoire and is often called a "cough, grunt or back roar”. It is a sound th