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Foraging Blainville's beaked whales (Mesoplodon densirostris) produce distinct click types matched to different phases of echolocation

Research output: Contribution to journalArticle

DOI

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Foraging Blainville's beaked whales (Mesoplodon densirostris) produce distinct click types matched to different phases of echolocation. / Johnson, M.; Madsen, P. T.; Zimmer, W. M. X.; de Soto, N. Aguilar; Tyack, P. L.

In: Journal of Experimental Biology, Vol. 209, No. 24, 15.12.2006, p. 5038-5050.

Research output: Contribution to journalArticle

Harvard

Johnson, M, Madsen, PT, Zimmer, WMX, de Soto, NA & Tyack, PL 2006, 'Foraging Blainville's beaked whales (Mesoplodon densirostris) produce distinct click types matched to different phases of echolocation' Journal of Experimental Biology, vol. 209, no. 24, pp. 5038-5050. https://doi.org/10.1242/jeb.02596

APA

Johnson, M., Madsen, P. T., Zimmer, W. M. X., de Soto, N. A., & Tyack, P. L. (2006). Foraging Blainville's beaked whales (Mesoplodon densirostris) produce distinct click types matched to different phases of echolocation. Journal of Experimental Biology, 209(24), 5038-5050. https://doi.org/10.1242/jeb.02596

Vancouver

Johnson M, Madsen PT, Zimmer WMX, de Soto NA, Tyack PL. Foraging Blainville's beaked whales (Mesoplodon densirostris) produce distinct click types matched to different phases of echolocation. Journal of Experimental Biology. 2006 Dec 15;209(24):5038-5050. https://doi.org/10.1242/jeb.02596

Author

Johnson, M. ; Madsen, P. T. ; Zimmer, W. M. X. ; de Soto, N. Aguilar ; Tyack, P. L. / Foraging Blainville's beaked whales (Mesoplodon densirostris) produce distinct click types matched to different phases of echolocation. In: Journal of Experimental Biology. 2006 ; Vol. 209, No. 24. pp. 5038-5050.

Bibtex - Download

@article{3c08bbebf9c94d739affd1d75181677c,
title = "Foraging Blainville's beaked whales (Mesoplodon densirostris) produce distinct click types matched to different phases of echolocation",
abstract = "Blainville's beaked whales (Mesoplodon densirostris Blainville) echolocate for prey during deep foraging dives. Here we use acoustic tags to demonstrate that these whales, in contrast to other toothed whales studied, produce two distinct types of click sounds during different phases in biosonar-based foraging. Search clicks are emitted during foraging dives with inter-click intervals typically between 0.2 and 0.4 s. They have the distinctive form of an FM upsweep (modulation rate of about 110 kHz ms(-1)) with a-10 dB bandwidth from 26 to 51 kHz and a pulse length of 270 mu s, somewhat similar to chirp signals in bats and Cuvier's beaked whales (Ziphius cavirostris Cuvier), but quite different from clicks of other toothed whales studied. In comparison, the buzz clicks, produced in short bursts during the final stage of prey capture, are short (105 mu s) transients with no FM structure and a -10 dB bandwidth from 25 to 80 kHz or higher. Buzz clicks have properties similar to clicks reported from large delphinids and hold the potential for higher temporal resolution than the FM clicks. It is suggested that the two click types are adapted to the separate problems of target detection and classification versus capture of low target strength prey in a cluttered acoustic environment.",
author = "M. Johnson and Madsen, {P. T.} and Zimmer, {W. M. X.} and {de Soto}, {N. Aguilar} and Tyack, {P. L.}",
year = "2006",
month = "12",
day = "15",
doi = "10.1242/jeb.02596",
language = "English",
volume = "209",
pages = "5038--5050",
journal = "Journal of Experimental Biology",
issn = "0022-0949",
publisher = "Company of Biologists Ltd",
number = "24",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Foraging Blainville's beaked whales (Mesoplodon densirostris) produce distinct click types matched to different phases of echolocation

AU - Johnson, M.

AU - Madsen, P. T.

AU - Zimmer, W. M. X.

AU - de Soto, N. Aguilar

AU - Tyack, P. L.

PY - 2006/12/15

Y1 - 2006/12/15

N2 - Blainville's beaked whales (Mesoplodon densirostris Blainville) echolocate for prey during deep foraging dives. Here we use acoustic tags to demonstrate that these whales, in contrast to other toothed whales studied, produce two distinct types of click sounds during different phases in biosonar-based foraging. Search clicks are emitted during foraging dives with inter-click intervals typically between 0.2 and 0.4 s. They have the distinctive form of an FM upsweep (modulation rate of about 110 kHz ms(-1)) with a-10 dB bandwidth from 26 to 51 kHz and a pulse length of 270 mu s, somewhat similar to chirp signals in bats and Cuvier's beaked whales (Ziphius cavirostris Cuvier), but quite different from clicks of other toothed whales studied. In comparison, the buzz clicks, produced in short bursts during the final stage of prey capture, are short (105 mu s) transients with no FM structure and a -10 dB bandwidth from 25 to 80 kHz or higher. Buzz clicks have properties similar to clicks reported from large delphinids and hold the potential for higher temporal resolution than the FM clicks. It is suggested that the two click types are adapted to the separate problems of target detection and classification versus capture of low target strength prey in a cluttered acoustic environment.

AB - Blainville's beaked whales (Mesoplodon densirostris Blainville) echolocate for prey during deep foraging dives. Here we use acoustic tags to demonstrate that these whales, in contrast to other toothed whales studied, produce two distinct types of click sounds during different phases in biosonar-based foraging. Search clicks are emitted during foraging dives with inter-click intervals typically between 0.2 and 0.4 s. They have the distinctive form of an FM upsweep (modulation rate of about 110 kHz ms(-1)) with a-10 dB bandwidth from 26 to 51 kHz and a pulse length of 270 mu s, somewhat similar to chirp signals in bats and Cuvier's beaked whales (Ziphius cavirostris Cuvier), but quite different from clicks of other toothed whales studied. In comparison, the buzz clicks, produced in short bursts during the final stage of prey capture, are short (105 mu s) transients with no FM structure and a -10 dB bandwidth from 25 to 80 kHz or higher. Buzz clicks have properties similar to clicks reported from large delphinids and hold the potential for higher temporal resolution than the FM clicks. It is suggested that the two click types are adapted to the separate problems of target detection and classification versus capture of low target strength prey in a cluttered acoustic environment.

U2 - 10.1242/jeb.02596

DO - 10.1242/jeb.02596

M3 - Article

VL - 209

SP - 5038

EP - 5050

JO - Journal of Experimental Biology

T2 - Journal of Experimental Biology

JF - Journal of Experimental Biology

SN - 0022-0949

IS - 24

ER -

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ID: 20036163