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Classification of broadband echoes from prey of a foraging Blainville's beaked whale

Research output: Contribution to journalArticle

DOI

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Classification of broadband echoes from prey of a foraging Blainville's beaked whale. / Stanton, Timothy K.; Lavery, Andone C.; Johnson, Mark P.; Madsen, Peter T.; Tyack, Peter L.

In: Journal of the Acoustical Society of America, Vol. 123, No. 3, 03.2008, p. 1753-1762.

Research output: Contribution to journalArticle

Harvard

Stanton, TK, Lavery, AC, Johnson, MP, Madsen, PT & Tyack, PL 2008, 'Classification of broadband echoes from prey of a foraging Blainville's beaked whale' Journal of the Acoustical Society of America, vol. 123, no. 3, pp. 1753-1762. https://doi.org/10.1121/1.2828210

APA

Stanton, T. K., Lavery, A. C., Johnson, M. P., Madsen, P. T., & Tyack, P. L. (2008). Classification of broadband echoes from prey of a foraging Blainville's beaked whale. Journal of the Acoustical Society of America, 123(3), 1753-1762. https://doi.org/10.1121/1.2828210

Vancouver

Stanton TK, Lavery AC, Johnson MP, Madsen PT, Tyack PL. Classification of broadband echoes from prey of a foraging Blainville's beaked whale. Journal of the Acoustical Society of America. 2008 Mar;123(3):1753-1762. https://doi.org/10.1121/1.2828210

Author

Stanton, Timothy K. ; Lavery, Andone C. ; Johnson, Mark P. ; Madsen, Peter T. ; Tyack, Peter L. / Classification of broadband echoes from prey of a foraging Blainville's beaked whale. In: Journal of the Acoustical Society of America. 2008 ; Vol. 123, No. 3. pp. 1753-1762.

Bibtex - Download

@article{1a2babdc6269495e952c262fe29d36e7,
title = "Classification of broadband echoes from prey of a foraging Blainville's beaked whale",
abstract = "Blainville's beaked whales (Mesoplodon densirostris) use broadband, ultrasonic echolocation signals with a -10 dB bandwidth from 26 to 51 kHz to search for, localize, and approach prey that generally consist of mid-water and deep-water fishes and squid. Although it is well known that the spectral characteristics of broadband echoes from marine organisms vary as a function of size, shape, orientation, and anatomical group, there is little evidence as to whether or not free-ranging toothed whales use spectral cues in discriminating between prey and nonprey. In order to study the prey-classification process, a stereo acoustic tag was deployed on a Blainville's beaked whale so that emitted clicks and the corresponding echoes from targets in the water could be recorded. A comparison of echoes from targets apparently selected by the whale and those from a sample of scatterers that were not selected suggests that spectral features of the echoes, target strengths, or both may have been used by the whale to discriminate between echoes. Specifically, the whale appears to favor targets with one or more nulls in the echo spectra and to seek prey with higher target strengths at deeper depths. (C) 2008 Acoustical Society of America.",
author = "Stanton, {Timothy K.} and Lavery, {Andone C.} and Johnson, {Mark P.} and Madsen, {Peter T.} and Tyack, {Peter L.}",
year = "2008",
month = "3",
doi = "10.1121/1.2828210",
language = "English",
volume = "123",
pages = "1753--1762",
journal = "Journal of the Acoustical Society of America",
issn = "0001-4966",
publisher = "Acoustical Society of America",
number = "3",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Classification of broadband echoes from prey of a foraging Blainville's beaked whale

AU - Stanton, Timothy K.

AU - Lavery, Andone C.

AU - Johnson, Mark P.

AU - Madsen, Peter T.

AU - Tyack, Peter L.

PY - 2008/3

Y1 - 2008/3

N2 - Blainville's beaked whales (Mesoplodon densirostris) use broadband, ultrasonic echolocation signals with a -10 dB bandwidth from 26 to 51 kHz to search for, localize, and approach prey that generally consist of mid-water and deep-water fishes and squid. Although it is well known that the spectral characteristics of broadband echoes from marine organisms vary as a function of size, shape, orientation, and anatomical group, there is little evidence as to whether or not free-ranging toothed whales use spectral cues in discriminating between prey and nonprey. In order to study the prey-classification process, a stereo acoustic tag was deployed on a Blainville's beaked whale so that emitted clicks and the corresponding echoes from targets in the water could be recorded. A comparison of echoes from targets apparently selected by the whale and those from a sample of scatterers that were not selected suggests that spectral features of the echoes, target strengths, or both may have been used by the whale to discriminate between echoes. Specifically, the whale appears to favor targets with one or more nulls in the echo spectra and to seek prey with higher target strengths at deeper depths. (C) 2008 Acoustical Society of America.

AB - Blainville's beaked whales (Mesoplodon densirostris) use broadband, ultrasonic echolocation signals with a -10 dB bandwidth from 26 to 51 kHz to search for, localize, and approach prey that generally consist of mid-water and deep-water fishes and squid. Although it is well known that the spectral characteristics of broadband echoes from marine organisms vary as a function of size, shape, orientation, and anatomical group, there is little evidence as to whether or not free-ranging toothed whales use spectral cues in discriminating between prey and nonprey. In order to study the prey-classification process, a stereo acoustic tag was deployed on a Blainville's beaked whale so that emitted clicks and the corresponding echoes from targets in the water could be recorded. A comparison of echoes from targets apparently selected by the whale and those from a sample of scatterers that were not selected suggests that spectral features of the echoes, target strengths, or both may have been used by the whale to discriminate between echoes. Specifically, the whale appears to favor targets with one or more nulls in the echo spectra and to seek prey with higher target strengths at deeper depths. (C) 2008 Acoustical Society of America.

U2 - 10.1121/1.2828210

DO - 10.1121/1.2828210

M3 - Article

VL - 123

SP - 1753

EP - 1762

JO - Journal of the Acoustical Society of America

T2 - Journal of the Acoustical Society of America

JF - Journal of the Acoustical Society of America

SN - 0001-4966

IS - 3

ER -

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ID: 20035403