Hi I'm not much of a bird spotter but having said that I'm curious to know what this bird is, it appeared a few days ago in the bushes/trees behind my house, can't see it so can't describe it sorry but I can hear very clearly with all windows and doors shut even in front of house. It has more than one sound I have made out about 4 or 5 distinctive sounds, and it is constant, never rests. It also starts early and you can still hear it at 10/11 o clock at night, so it's the last thing I hear at night and the first thing I hear in the morning, although I love to hear the birds singing in the morning this is driving me bananas and would love to know what kind of bird it is, if anyone could help I would be so grateful.