Identifying Poisonous Snakes: Here are some guidelines, but there is always some snakes that are exceptions to the rules. For example, not all poisonous snakes have slits for pupils. In the end it does good to still study varieties of poisonous snakes.
Most poisonest snake in USA, but they are small. Eastern Coral snake To differentiate the KING snake from the poisonous CORAL snake, remember rhyme; Red on black, friend of jack. (King) Red on yellow, kill a fellow.