Horses evolved to eat grass, so that is what they enjoy the most. Hay is a close second as it is dried grass. Some fruits and vegetables are safe for horses to eat but you must be careful not to feed something toxic or harmful.
They eat all kinds of meat.
Birds eat different kinds of foods because to keep they're energy
dugongs eat seagrass
fish
tunna
They eat rice and other stuff
They eat mostly hay and grass.
they usually eat plants and insects
Romanians eat practically all the foods known in Europe; it is ridiculous but they are repulsive to sea foods and mutton, goat, horse meat. Many tropical fruits and more recent imported vegetables are rarely unused.
Pickles
Grits
What kinds of foods do you eat for diebetes?