Rattle snakes are poisonous snakes that have rattles at the end of their tails. Whenever they feel threatened, they shake their rattles as a warning to other animals. When they bite, their teeth inject poison.

Rattle snakes are poisonous snakes that have rattles at the end of their tails. Whenever they feel threatened, they shake their rattles as a warning to other animals. When they bite, their teeth inject poison.