Snakes have a special technique that lets them hiss. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Dogs say "woof," cats say "meow" and snakes ...

How big they are: Can range from 4 inches (10 centimeters) to over 30 feet (9 meters) There are about 4,000 different snake species in the world today. They occupy a wide range of habitats — some ...