hilario

My budgie Charlie eats his poo continually..he luvs 2 b in kitchen flying around..he also has a budgie gym which is also in kitchen us toys & tray of pellets on windowsill..he has his freedom 2 go between kichen & lounge where his cage is..so has not unhappy & communicates with me thro the dy..he has his freedom from approx 1 o'clock til 6 ish. He eats fresh veg & fruit. So why is he eating his poo still?!!!