Highly distinctive, the male lion is easily recognized by its mane, and its face is one of the most widely recognized animal symbols in human culture. A lion’s roar is one of the most terrifying sounds in the animal kingdom. If you’re in the African savannas and happen to hear that sound, you may want to start running! Play the sound by just downloading the app. A lion’s roar is so loud because its vocal folds form a square shape. This shape essentially stabilizes the vocal cords, enabling the