Frequently Asked Questions Q0. How do I snake-proof my home and yard? Q0. What are a snake's teeth like? Q0. Are all snakes venomous? Q0. Do snakes have eyelids? Q0. Do all snakes lay eggs? Q0. What is the world's longest snake? Q0. How big a meal can a snake eat? Q0. How long do snakes live? Q0. What is the world's heaviest snake? Q0. Can you tell the age of a rattlesnake by counting it's rattles?