19512
By Science News
Your article reminded me that taking a bird’s song and transposing it down four octaves makes it sound like a whale’s song. The opposite is also true. To hear this, go to http://www.mind.net/music/birdwhaleDemo.mp3.
Todd Barton
Ashland, Ore.
McClellan Blair
Indiana, Pa.
Patrick J. Roache
Socorro, N.M.