Carnivores, like lions and tigers, are animals that feed on other animals.
Herbivores, like cows and rabbits, are animals that feed on plants.
Omnivores, like bears, dogs and humans, are animals that feed on plants and other animals.
Look at the video.
Video: Carnivore, herbivore, omnivore song (click here).
Game: classify animals by what they eat (click here).