Beyond Falsetto: Do mice sing at ultrasonic frequencies? | Science News

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Beyond Falsetto: Do mice sing at ultrasonic frequencies?

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1:16pm, November 2, 2005

Male mice may serenade prospective mates at pitches about two octaves higher than the shrillest sounds audible to people.

This "mouse song" is comparable in complexity to the sequences of tones that songbirds and some whales make, say Timothy E. Holy and Zhongsheng Guo of Washington University in St. Louis.

Other researchers remain guarded about labeling mouse vocalizations as song. Nevertheless, says neurophysiologist Xiaoqin Wang of Johns Hopkins University School of Medicine in Baltimore, the discovery that mice emit richly patterned ultrasonic noises could have important implications for the study of commu

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