There are two kinds of reptiles based on their diets, namely carnivorous reptiles and herbivorous reptiles.
Carnivorous reptiles include lizards, snakes, and crocodiles, feed on insects, birds, bird eggs, mammals (boars, jaguars, deers, zebras, to name a few), fishes, mollusks, other reptile species, and even humans.
Herbivorous reptiles include turtles, iguanas, and tortoises, eat vegetations such as leaves, grass, cactus, and seaweeds.