THE INVENTION RELATES TO A CAGE FOR BIRDS COMPRISING A METAL STRUCTURE [1] CONTAINING DIFFERENT MODULES [2], WHEREIN EACH OF SAID MODULES [2] COMPRISES AT LEAST OPENING MEANS [3] WHICH ARE LOWERED ON THE CEILING (6] OF THE MODULE [2], A GRATE [4] WHICH IS REMOVED AS A RESULT OF REMOVAL MEANS [40] FOR REMOVING SAME, BEING RAISED FROM ONE OF ITS SIDES AND BEING LOWERED ON THE UPPER PART OF THE MODULE [1], AND A SIDE PARTITION [5] COMPRISING A PLURALITY OF ORIFICES [50] AND GROOVES [51]. FIGURE 1