You don’t want to hear a rattlesnake in the wild, but with this app you can experience this venomous snake’s sounds without the danger! Like other snakes, rattlesnakes can make a hissing sound using their mouths and tongues. However, no other snake sounds quite like the rattlesnake once it starts to make its unique rattling noise. This rattle is used by the snake to warn off predators as well as innocent intruders who might not realize the snake is there! The snake makes this warning sound by