Metropol

Yes, it really is true -- mice do sing, but at frequencies higher than those audible to humans.

Timothy E. Holy and Zhongsheng Guo at the School of Medicine of Washington University in St. Louis, MO have discovered that male mice emit ultrasonic songs to attract the attention of female mice.

<http://news.nationalgeographic.COM/news ... _song.html>

I was talking to a friend last night about this, and she said how it was that nearly every animal apart from humans have "weird ways" of attracting a lover.

I took her to the dance floor and left her in the middle. She got the hint.