Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena)
Funding: Det Frie Forskningsrad (MJ) Toothed whales use sonar to detect, locate, and track prey. They adjust emitted sound intensity, auditory sensitivity and click rate to target range, and terminate prey pursuits with high-repetition-rate, low-intensity buzzes. However, their narrow acoustic field...
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Online Access: | https://hdl.handle.net/10023/6646 https://doi.org/10.7554/eLife.05651 |
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ftstandrewserep:oai:research-repository.st-andrews.ac.uk:10023/6646 2024-06-23T07:56:12+00:00 Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) Wisniewska, D.M. Ratcliffe, J.M. Beedholm, K. Christensen, C.B. Johnson, Mark Koblitz, J.C. Wahlberg, M. Madsen, P.T. European Commission University of St Andrews. School of Biology University of St Andrews. Marine Alliance for Science & Technology Scotland University of St Andrews. Sea Mammal Research Unit University of St Andrews. Sound Tags Group University of St Andrews. Bioacoustics group University of St Andrews. Scottish Oceans Institute 2015-05-15T14:01:04Z 29 3219249 application/pdf https://hdl.handle.net/10023/6646 https://doi.org/10.7554/eLife.05651 eng eng eLife 180134416 7c5181aa-f6a0-4302-826f-c75bdd0db905 84925389234 000351866300003 Wisniewska , D M , Ratcliffe , J M , Beedholm , K , Christensen , C B , Johnson , M , Koblitz , J C , Wahlberg , M & Madsen , P T 2015 , ' Range-dependent flexibility in the acoustic field of view of echolocating porpoises ( Phocoena phocoena ) ' , eLife , vol. 4 , e05651 . https://doi.org/10.7554/eLife.05651 2050-084X https://hdl.handle.net/10023/6646 doi:10.7554/eLife.05651 PCIG10-GA-2011-304132 Biosonar Beam Directionality Buzz Prey capture Convergent evolution QH301 Biology QL Zoology DAS QH301 QL Journal article 2015 ftstandrewserep https://doi.org/10.7554/eLife.05651 2024-06-11T23:58:14Z Funding: Det Frie Forskningsrad (MJ) Toothed whales use sonar to detect, locate, and track prey. They adjust emitted sound intensity, auditory sensitivity and click rate to target range, and terminate prey pursuits with high-repetition-rate, low-intensity buzzes. However, their narrow acoustic field of view (FOV) is considered stable throughout target approach, which could facilitate prey escape at close-range. Here we show that, like some bats, harbour porpoises can broaden their biosonar beam during the terminal phase of attack but, unlike bats, maintain the ability to change beamwidth within this phase. Based on video, MRI, and acoustic-tag recordings, we propose this flexibility is modulated by the melon and implemented to accommodate dynamic spatial relationships with prey and acoustic complexity of surroundings. Despite independent evolution and different means of sound generation and transmission, whales and bats adaptively change their FOV, suggesting that beamwidth flexibility has been an important driver in the evolution of echolocation for prey tracking. Peer reviewed Article in Journal/Newspaper Phocoena phocoena toothed whales University of St Andrews: Digital Research Repository eLife 4 |
institution |
Open Polar |
collection |
University of St Andrews: Digital Research Repository |
op_collection_id |
ftstandrewserep |
language |
English |
topic |
Biosonar Beam Directionality Buzz Prey capture Convergent evolution QH301 Biology QL Zoology DAS QH301 QL |
spellingShingle |
Biosonar Beam Directionality Buzz Prey capture Convergent evolution QH301 Biology QL Zoology DAS QH301 QL Wisniewska, D.M. Ratcliffe, J.M. Beedholm, K. Christensen, C.B. Johnson, Mark Koblitz, J.C. Wahlberg, M. Madsen, P.T. Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) |
topic_facet |
Biosonar Beam Directionality Buzz Prey capture Convergent evolution QH301 Biology QL Zoology DAS QH301 QL |
description |
Funding: Det Frie Forskningsrad (MJ) Toothed whales use sonar to detect, locate, and track prey. They adjust emitted sound intensity, auditory sensitivity and click rate to target range, and terminate prey pursuits with high-repetition-rate, low-intensity buzzes. However, their narrow acoustic field of view (FOV) is considered stable throughout target approach, which could facilitate prey escape at close-range. Here we show that, like some bats, harbour porpoises can broaden their biosonar beam during the terminal phase of attack but, unlike bats, maintain the ability to change beamwidth within this phase. Based on video, MRI, and acoustic-tag recordings, we propose this flexibility is modulated by the melon and implemented to accommodate dynamic spatial relationships with prey and acoustic complexity of surroundings. Despite independent evolution and different means of sound generation and transmission, whales and bats adaptively change their FOV, suggesting that beamwidth flexibility has been an important driver in the evolution of echolocation for prey tracking. Peer reviewed |
author2 |
European Commission University of St Andrews. School of Biology University of St Andrews. Marine Alliance for Science & Technology Scotland University of St Andrews. Sea Mammal Research Unit University of St Andrews. Sound Tags Group University of St Andrews. Bioacoustics group University of St Andrews. Scottish Oceans Institute |
format |
Article in Journal/Newspaper |
author |
Wisniewska, D.M. Ratcliffe, J.M. Beedholm, K. Christensen, C.B. Johnson, Mark Koblitz, J.C. Wahlberg, M. Madsen, P.T. |
author_facet |
Wisniewska, D.M. Ratcliffe, J.M. Beedholm, K. Christensen, C.B. Johnson, Mark Koblitz, J.C. Wahlberg, M. Madsen, P.T. |
author_sort |
Wisniewska, D.M. |
title |
Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) |
title_short |
Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) |
title_full |
Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) |
title_fullStr |
Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) |
title_full_unstemmed |
Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) |
title_sort |
range-dependent flexibility in the acoustic field of view of echolocating porpoises (phocoena phocoena) |
publishDate |
2015 |
url |
https://hdl.handle.net/10023/6646 https://doi.org/10.7554/eLife.05651 |
genre |
Phocoena phocoena toothed whales |
genre_facet |
Phocoena phocoena toothed whales |
op_relation |
eLife 180134416 7c5181aa-f6a0-4302-826f-c75bdd0db905 84925389234 000351866300003 Wisniewska , D M , Ratcliffe , J M , Beedholm , K , Christensen , C B , Johnson , M , Koblitz , J C , Wahlberg , M & Madsen , P T 2015 , ' Range-dependent flexibility in the acoustic field of view of echolocating porpoises ( Phocoena phocoena ) ' , eLife , vol. 4 , e05651 . https://doi.org/10.7554/eLife.05651 2050-084X https://hdl.handle.net/10023/6646 doi:10.7554/eLife.05651 PCIG10-GA-2011-304132 |
op_doi |
https://doi.org/10.7554/eLife.05651 |
container_title |
eLife |
container_volume |
4 |
_version_ |
1802649137523458048 |