advice bread care careful caution communicate communication direction directive feed feeding fish fish-feeding food inform information informing message no-extras sign signage warning alert appropriate-behavior appropriate-behaviour behave behavior behaviour birds black directions ducks fatal no-bread not-allowed not-permitted permission-denied prohibited prohibition red restricted restriction restrictions water-birds watrer-fowl white afternoom beach brasil bread of sugar city corcovado mountains Niterói ocean panoramic Rio de Janeiro sight sky tourism travel trip vacation water yellow amaranth barley corn crust flax grains healthy kamut millet nutritious oats organic poppy pumpkin seeds quinoa rice sesame slices spelt sunflower triticale wheat whole