The best human sopranos sing impressively high notes, but they cannot match the clear-winged woolly bat, which a new study has just determined produces the world's highest pitched call.

最好的女高音歌唱家的高音给人以震憾，但是他们仍然不能达到洁翼彩蝠的声音高度，一项新的研究表明它能发出世界上最高的音调。