5 FG call(s) , 6 FG call(s) , 2 FG call(s) , 5 FG call(s) , 2 FG call(s) , 3 FG call(s) squeaks at 0153, 0203 and 0215, 6 FG call(s) , 3 FG call(s) , 2 FG call(s) or 3, weak, 1 FG call(s) loud; a few sporatic in background, 3 FG call(s) squeaks at 0318, 0340 and 0355, 1 FG call(s) , 2 FG call(s) , 3 FG call(s) , 6 FG call(s) , 10 FG call(s) loud