大象传媒

Bill Oddie has heard a wren and that's another song you'll hear just about anywhere in Britain. You can climb to the top of the highest mountain and find a wren and you can come to a remote island like St Kilda and you'll find wrens. Except this wren isn't quite what it seems - it's the St Kilda wren. Now own up, does that look any different from the wren you get in your garden? The scientists will tell us it's a little bit bigger, a little bit greyer and probably its song is a little bit different. Actually, whatever area the wren comes from it has a very, very loud song and you find them near sea cliffs and the boulders along the shore on an island like this. There's a lot of natural noise to compete with and I reckon that's why they have such loud songs.