Lateralized sound production in the beluga whale (Delphinapterus leucas)

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Lateralized sound production in the beluga whale (Delphinapterus leucas). / Ames, Audra E.; Beedholm, Kristian; Madsen, Peter T.

In: The Journal of Experimental Biology, Vol. 223, 09.2020.

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Ames, Audra E. ; Beedholm, Kristian ; Madsen, Peter T. / Lateralized sound production in the beluga whale (Delphinapterus leucas). In: The Journal of Experimental Biology. 2020 ; Vol. 223.

Bibtex

@article{c347c9a32077484686edee042834191e,
title = "Lateralized sound production in the beluga whale (Delphinapterus leucas)",
abstract = "Like other toothed whales, belugas produce sound through pneumatic actuation of two phonic lip pairs, but it is unclear whether both pairs are actuated concurrently to generate a single sound (the dual actuation hypothesis) or laterally in the production of their rich vocal repertoires. Here, using suction cup hydrophones on the head of a trained beluga whale, we measured seven different communication signal types and echolocation clicks in order to test the hypothesis that belugas produce distinct sounds unilaterally. We show that, like other delphinoids, belugas produce echolocation clicks with the right phonic lips and tonal sounds from the left. We also demonstrate for the first time that the left phonic lips are responsible for generating communication signals other than tonal sounds. Thus, our findings provide empirical support for functionalized laterality in delphinoid sound production, in keeping with the functional laterality hypothesis of vocal-motor control in toothed whales.",
keywords = "Communication, Echolocation, Lateral, Phonic lips, Toothed whales",
author = "Ames, {Audra E.} and Kristian Beedholm and Madsen, {Peter T.}",
year = "2020",
month = sep,
doi = "10.1242/jeb.226316",
language = "English",
volume = "223",
journal = "BRITISH JOURNAL OF EXPERIMENTAL BIOLOGY",
issn = "0022-0949",
publisher = "The/Company of Biologists Ltd.",

}

RIS

TY - JOUR

T1 - Lateralized sound production in the beluga whale (Delphinapterus leucas)

AU - Ames, Audra E.

AU - Beedholm, Kristian

AU - Madsen, Peter T.

PY - 2020/9

Y1 - 2020/9

N2 - Like other toothed whales, belugas produce sound through pneumatic actuation of two phonic lip pairs, but it is unclear whether both pairs are actuated concurrently to generate a single sound (the dual actuation hypothesis) or laterally in the production of their rich vocal repertoires. Here, using suction cup hydrophones on the head of a trained beluga whale, we measured seven different communication signal types and echolocation clicks in order to test the hypothesis that belugas produce distinct sounds unilaterally. We show that, like other delphinoids, belugas produce echolocation clicks with the right phonic lips and tonal sounds from the left. We also demonstrate for the first time that the left phonic lips are responsible for generating communication signals other than tonal sounds. Thus, our findings provide empirical support for functionalized laterality in delphinoid sound production, in keeping with the functional laterality hypothesis of vocal-motor control in toothed whales.

AB - Like other toothed whales, belugas produce sound through pneumatic actuation of two phonic lip pairs, but it is unclear whether both pairs are actuated concurrently to generate a single sound (the dual actuation hypothesis) or laterally in the production of their rich vocal repertoires. Here, using suction cup hydrophones on the head of a trained beluga whale, we measured seven different communication signal types and echolocation clicks in order to test the hypothesis that belugas produce distinct sounds unilaterally. We show that, like other delphinoids, belugas produce echolocation clicks with the right phonic lips and tonal sounds from the left. We also demonstrate for the first time that the left phonic lips are responsible for generating communication signals other than tonal sounds. Thus, our findings provide empirical support for functionalized laterality in delphinoid sound production, in keeping with the functional laterality hypothesis of vocal-motor control in toothed whales.

KW - Communication

KW - Echolocation

KW - Lateral

KW - Phonic lips

KW - Toothed whales

UR - http://www.scopus.com/inward/record.url?scp=85090251117&partnerID=8YFLogxK

U2 - 10.1242/jeb.226316

DO - 10.1242/jeb.226316

M3 - Journal article

C2 - 32665444

AN - SCOPUS:85090251117

VL - 223

JO - BRITISH JOURNAL OF EXPERIMENTAL BIOLOGY

JF - BRITISH JOURNAL OF EXPERIMENTAL BIOLOGY

SN - 0022-0949

ER -