Animals such as cats, dogs, cows, chickens and goats have different diets, appropriate to their biological characteristics. Cats are carnivores, they like to eat fish, meat and protein-rich foods. Dogs are also carnivores, but they can eat other foods such as rice, vegetables and prepared dog food. Cows are herbivores, their main diet is fresh grass, hay, straw and fodder. Chickens belong to the poultry group, they eat a variety of foods, from rice, corn, bran, to small insects or green vegetables. Goats are herbivores, but they also like to eat leaves, twigs and can eat some grains or bran to supplement nutrition. Each species has its own suitable food to maintain health and development.