Clicking in a Killer Whale Habitat: Narrow-Band, High-Frequency Biosonar Clicks of Harbour Porpoise (Phocoena phocoena) and Dall’s Porpoise (Phocoenoides dalli)
Odontocetes produce a range of different echolocation clicks but four groups in different families have converged on producing the same stereotyped narrow band high frequency (NBHF) click. In microchiropteran bats, sympatric species have evolved the use of different acoustic niches and subtly differ...
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ftpubmed:oai:pubmedcentral.nih.gov:3665716 2023-05-15T16:33:21+02:00 Clicking in a Killer Whale Habitat: Narrow-Band, High-Frequency Biosonar Clicks of Harbour Porpoise (Phocoena phocoena) and Dall’s Porpoise (Phocoenoides dalli) Kyhn, Line A. Tougaard, Jakob Beedholm, Kristian Jensen, Frants H. Ashe, Erin Williams, Rob Madsen, Peter T. 2013-05-28 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3665716 http://www.ncbi.nlm.nih.gov/pubmed/23723996 https://doi.org/10.1371/journal.pone.0063763 en eng Public Library of Science http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3665716 http://www.ncbi.nlm.nih.gov/pubmed/23723996 http://dx.doi.org/10.1371/journal.pone.0063763 This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. CC-BY Research Article Text 2013 ftpubmed https://doi.org/10.1371/journal.pone.0063763 2013-09-05T00:19:27Z Odontocetes produce a range of different echolocation clicks but four groups in different families have converged on producing the same stereotyped narrow band high frequency (NBHF) click. In microchiropteran bats, sympatric species have evolved the use of different acoustic niches and subtly different echolocation signals to avoid competition among species. In this study, we examined whether similar adaptations are at play among sympatric porpoise species that use NBHF echolocation clicks. We used a six-element hydrophone array to record harbour and Dall’s porpoises in British Columbia (BC), Canada, and harbour porpoises in Denmark. The click source properties of all porpoise groups were remarkably similar and had an average directivity index of 25 dB. Yet there was a small, but consistent and significant 4 kHz difference in centroid frequency between sympatric Dall’s (137±3 kHz) and Canadian harbour porpoises (141±2 kHz). Danish harbour porpoise clicks (136±3 kHz) were more similar to Dall’s porpoise than to their conspecifics in Canada. We suggest that the spectral differences in echolocation clicks between the sympatric porpoises are consistent with evolution of a prezygotic isolating barrier (i.e., character displacement) to avoid hybridization of sympatric species. In practical terms, these spectral differences have immediate application to passive acoustic monitoring. Text Harbour porpoise Killer Whale Phocoena phocoena Killer whale PubMed Central (PMC) British Columbia ENVELOPE(-125.003,-125.003,54.000,54.000) Canada PLoS ONE 8 5 e63763 |
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Research Article |
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Research Article Kyhn, Line A. Tougaard, Jakob Beedholm, Kristian Jensen, Frants H. Ashe, Erin Williams, Rob Madsen, Peter T. Clicking in a Killer Whale Habitat: Narrow-Band, High-Frequency Biosonar Clicks of Harbour Porpoise (Phocoena phocoena) and Dall’s Porpoise (Phocoenoides dalli) |
topic_facet |
Research Article |
description |
Odontocetes produce a range of different echolocation clicks but four groups in different families have converged on producing the same stereotyped narrow band high frequency (NBHF) click. In microchiropteran bats, sympatric species have evolved the use of different acoustic niches and subtly different echolocation signals to avoid competition among species. In this study, we examined whether similar adaptations are at play among sympatric porpoise species that use NBHF echolocation clicks. We used a six-element hydrophone array to record harbour and Dall’s porpoises in British Columbia (BC), Canada, and harbour porpoises in Denmark. The click source properties of all porpoise groups were remarkably similar and had an average directivity index of 25 dB. Yet there was a small, but consistent and significant 4 kHz difference in centroid frequency between sympatric Dall’s (137±3 kHz) and Canadian harbour porpoises (141±2 kHz). Danish harbour porpoise clicks (136±3 kHz) were more similar to Dall’s porpoise than to their conspecifics in Canada. We suggest that the spectral differences in echolocation clicks between the sympatric porpoises are consistent with evolution of a prezygotic isolating barrier (i.e., character displacement) to avoid hybridization of sympatric species. In practical terms, these spectral differences have immediate application to passive acoustic monitoring. |
format |
Text |
author |
Kyhn, Line A. Tougaard, Jakob Beedholm, Kristian Jensen, Frants H. Ashe, Erin Williams, Rob Madsen, Peter T. |
author_facet |
Kyhn, Line A. Tougaard, Jakob Beedholm, Kristian Jensen, Frants H. Ashe, Erin Williams, Rob Madsen, Peter T. |
author_sort |
Kyhn, Line A. |
title |
Clicking in a Killer Whale Habitat: Narrow-Band, High-Frequency Biosonar Clicks of Harbour Porpoise (Phocoena phocoena) and Dall’s Porpoise (Phocoenoides dalli) |
title_short |
Clicking in a Killer Whale Habitat: Narrow-Band, High-Frequency Biosonar Clicks of Harbour Porpoise (Phocoena phocoena) and Dall’s Porpoise (Phocoenoides dalli) |
title_full |
Clicking in a Killer Whale Habitat: Narrow-Band, High-Frequency Biosonar Clicks of Harbour Porpoise (Phocoena phocoena) and Dall’s Porpoise (Phocoenoides dalli) |
title_fullStr |
Clicking in a Killer Whale Habitat: Narrow-Band, High-Frequency Biosonar Clicks of Harbour Porpoise (Phocoena phocoena) and Dall’s Porpoise (Phocoenoides dalli) |
title_full_unstemmed |
Clicking in a Killer Whale Habitat: Narrow-Band, High-Frequency Biosonar Clicks of Harbour Porpoise (Phocoena phocoena) and Dall’s Porpoise (Phocoenoides dalli) |
title_sort |
clicking in a killer whale habitat: narrow-band, high-frequency biosonar clicks of harbour porpoise (phocoena phocoena) and dall’s porpoise (phocoenoides dalli) |
publisher |
Public Library of Science |
publishDate |
2013 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3665716 http://www.ncbi.nlm.nih.gov/pubmed/23723996 https://doi.org/10.1371/journal.pone.0063763 |
long_lat |
ENVELOPE(-125.003,-125.003,54.000,54.000) |
geographic |
British Columbia Canada |
geographic_facet |
British Columbia Canada |
genre |
Harbour porpoise Killer Whale Phocoena phocoena Killer whale |
genre_facet |
Harbour porpoise Killer Whale Phocoena phocoena Killer whale |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3665716 http://www.ncbi.nlm.nih.gov/pubmed/23723996 http://dx.doi.org/10.1371/journal.pone.0063763 |
op_rights |
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1371/journal.pone.0063763 |
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PLoS ONE |
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8 |
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e63763 |
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1766023042814705664 |