Evidence for simultaneous sound production in the bowhead whale (Balaena mysticetus)

Outi M. Tervo, Mads Fage Christoffersen, Susan E. Parks, Reinhardt Mbjerg Kristensen, Peter Teglberg Madsen

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Simultaneous production of two harmonically independent sounds, the two-voice phenomenon, is a well-known feature in bird song. Some toothed whales can click and whistle simultaneously, and a few studies have also reported simultaneous sound production by baleen whales. The mechanism for sound production in toothed whales has been largely uncovered within the last three decades, whereas mechanism for sound production in baleen whales remains poorly understood. This study provides three lines of evidence from recordings made in 2008 and 2009 in Disko Bay, Western Greenland, strongly indicating that bowhead whales are capable of simultaneous dual frequency sound production. This capability may function to enable more complex singing in an acoustically mediated reproductive advertisement display, as has been suggested for songbirds, and/or have significance in individual recognition.

Original languageEnglish (US)
Pages (from-to)2257-2262
Number of pages6
JournalJournal of the Acoustical Society of America
Volume130
Issue number4
DOIs
StatePublished - Oct 2011
Externally publishedYes

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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