Old World frog and bird vocalizations contain prominent ultrasonic harmonics

Peter M. Narins, Albert S. Feng, Wenyu Lin, Hans Ulrich Schnitzler, Annette Denzinger, Roderick Suthers, Chunhe Xu

Research output: Contribution to journalArticle

79 Citations (Scopus)

Abstract

Several groups of mammals such as bats, dolphins and whales are known to produce ultrasonic signals which are used for navigation and hunting by means of echolocation, as well as for communication. In contrast, frogs and birds produce sounds during night- and day-time hours that are audible to humans; their sounds are so pervasive that together with those of insects, they are considered the primary sounds of nature. Here we show that an Old World frog (Amolops tormotus) and an oscine songbird (Abroscopus albogularis) living near noisy streams reliably produce acoustic signals that contain prominent ultrasonic harmonics. Our findings provide the first evidence that anurans and passerines are capable of generating tonal ultrasonic call components and should stimulate the quest for additional ultrasonic species.

Original languageEnglish
Pages (from-to)910-913
Number of pages4
JournalJournal of the Acoustical Society of America
Volume115
Issue number2
DOIs
StatePublished - Feb 2004

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frogs
birds
ultrasonics
harmonics
acoustics
dolphins
bats
whales
mammals
insects
daytime
navigation
night
communication
Frog
Vocalization
Harmonics
Sound
Birds

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Old World frog and bird vocalizations contain prominent ultrasonic harmonics. / Narins, Peter M.; Feng, Albert S.; Lin, Wenyu; Schnitzler, Hans Ulrich; Denzinger, Annette; Suthers, Roderick; Xu, Chunhe.

In: Journal of the Acoustical Society of America, Vol. 115, No. 2, 02.2004, p. 910-913.

Research output: Contribution to journalArticle

Narins, Peter M. ; Feng, Albert S. ; Lin, Wenyu ; Schnitzler, Hans Ulrich ; Denzinger, Annette ; Suthers, Roderick ; Xu, Chunhe. / Old World frog and bird vocalizations contain prominent ultrasonic harmonics. In: Journal of the Acoustical Society of America. 2004 ; Vol. 115, No. 2. pp. 910-913.
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