To Stigweard: as well as imitating the human voice (recorden is olde-English for - to warble or sing) the recorder/English flute has been used to mimic/attract birds (although Mozart, of course, preferred the transverse/German flute. And, for what it's worth, on my myspace Blog, I've encouraged GREEN GODLY GARDENING, and carefully selected feeders and boxes, for the benefit of native birds and other fauna.