Disproportionate emission of bubble streams with killer whale biphonic calls: Perspectives on production and function

Stereotyped pulsed calls were attributed to 11 killer whales (Orcinus orca) with and without synchronous bubble streams in three datasets collected from two facilities from 1993 to 2012. Calls with and without synchronous bubble streams and divergent overlapping high frequency components (“biphonic”...

Full description

Saved in:
Bibliographic Details
Published inThe Journal of the Acoustical Society of America Vol. 137; no. 2; pp. EL165 - EL170
Main Authors Bowles, Ann E., Grebner, Dawn M., Musser, Whitney B., Nash, Juliette S., Crance, Jessica L.
Format Journal Article
LanguageEnglish
Published United States 01.02.2015
Subjects
Acoustics
Age Factors
Animals
Behavior, Animal
Female
Male
Motion
Sex Factors
Signal Processing, Computer-Assisted
Social Behavior
Sound
Sound Spectrography
Stereotyped Behavior
Time Factors
Vocalization, Animal
Whale, Killer - physiology
Online AccessGet full text

Cover

More Information
Summary:Stereotyped pulsed calls were attributed to 11 killer whales (Orcinus orca) with and without synchronous bubble streams in three datasets collected from two facilities from 1993 to 2012. Calls with and without synchronous bubble streams and divergent overlapping high frequency components (“biphonic” vs “monophonic”) were compared. Subjects produced bubbles significantly more often when calls had divergent high frequency components. However, acoustic features in one biphonic call shared by five subjects provided little evidence for an acoustic effect of synchronous bubble flow. Disproportionate bubbling supported other evidence that biphonic calls form a distinct category, but suggested a function in short-range communication.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0001-4966
1520-8524
1520-8524
DOI:10.1121/1.4905882