What ever they can find, but seeds was what God intended for them, but have you ever eaten pigeons? They are like little chickens. Great eating if one is into the hunting thing and plucking them etc...We usta go to the under parts of tall bridges and grab them as they came in to roost for the night. Then take them home and dress them out like any poultry. We'd catch as many as 40 in a night and put them in the freezer after dressing them out.