The document discusses three types of animals based on their diets: herbivores, which eat only plants; carnivores, which eat only other animals; and omnivores, which eat both plants and other animals. Herbivorous animals include cows, horses, goats and elephants. Carnivorous animals are lions, tigers, snakes, and wolves. Omnivorous animals that eat both plants and meat are bears, jackals, cats, dogs, and humans.