A legless reptile is a SNAKE, which is a type of reptile that has no legs and moves by using its body to push itself along the ground. Snakes are found in many different habitats around the world and come in a variety of sizes and colors. They are carnivorous animals, meaning they feed on other animals, and some species are venomous. Snakes have been around for millions of years and are an important part of the food chain.