Data from: Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) ...
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 t...
Main Authors: | , , , , , , , |
---|---|
Format: | Dataset |
Language: | English |
Published: |
Dryad
2015
|
Subjects: | |
Online Access: | https://dx.doi.org/10.5061/dryad.11b0f https://datadryad.org/stash/dataset/doi:10.5061/dryad.11b0f |
id |
ftdatacite:10.5061/dryad.11b0f |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.5061/dryad.11b0f 2024-02-04T10:03:56+01:00 Data from: Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) ... Wisniewska, Danuta M. Ratcliffe, John M. Beedholm, Kristian Christensen, Christian B. Johnson, Mark Koblitz, Jens C. Wahlberg, Magnus Madsen, Peter M. 2015 https://dx.doi.org/10.5061/dryad.11b0f https://datadryad.org/stash/dataset/doi:10.5061/dryad.11b0f en eng Dryad https://dx.doi.org/10.7554/elife.05651 Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 beam Convergent evolution Phocoena phocoena directionality prey capture buzz biosonar Dataset dataset 2015 ftdatacite https://doi.org/10.5061/dryad.11b0f10.7554/elife.05651 2024-01-05T00:42:33Z 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 ... : frame_hydro31102012a schematic showing the arrangement of individual hydrophones on the arrayframe more31102012an excel sheet linking the hydrophones id numbers to the channels in the recording systemdtag audio filedtag audio file for the 12th trial of the afternoon session on 31/10/2012, as well as matlab structures with outputs of click detectors, an echogram and an inter-click interval scatter plot (color-coded with relative apparent output level of the clicks)dtag.ziphydrophone relative calibration valuescalibration values (linear scale) of hydrophones relative to the hydrophone in the located in the centre of the array. each day a calibration was conducted to account for small differences int the array orientation or hydrophone placement between recording days. a short sweep was played from across the porpoise pool and recorded on all hydrophones. raw data available upon requestcalibrationValues.matfreja31102012_af12(ADpeak5.0V)_31-10-2012_14_01_52the folder contains recordings from 48 hydrophones, and ... Dataset Phocoena phocoena toothed whales DataCite Metadata Store (German National Library of Science and Technology) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
beam Convergent evolution Phocoena phocoena directionality prey capture buzz biosonar |
spellingShingle |
beam Convergent evolution Phocoena phocoena directionality prey capture buzz biosonar Wisniewska, Danuta M. Ratcliffe, John M. Beedholm, Kristian Christensen, Christian B. Johnson, Mark Koblitz, Jens C. Wahlberg, Magnus Madsen, Peter M. Data from: Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) ... |
topic_facet |
beam Convergent evolution Phocoena phocoena directionality prey capture buzz biosonar |
description |
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 ... : frame_hydro31102012a schematic showing the arrangement of individual hydrophones on the arrayframe more31102012an excel sheet linking the hydrophones id numbers to the channels in the recording systemdtag audio filedtag audio file for the 12th trial of the afternoon session on 31/10/2012, as well as matlab structures with outputs of click detectors, an echogram and an inter-click interval scatter plot (color-coded with relative apparent output level of the clicks)dtag.ziphydrophone relative calibration valuescalibration values (linear scale) of hydrophones relative to the hydrophone in the located in the centre of the array. each day a calibration was conducted to account for small differences int the array orientation or hydrophone placement between recording days. a short sweep was played from across the porpoise pool and recorded on all hydrophones. raw data available upon requestcalibrationValues.matfreja31102012_af12(ADpeak5.0V)_31-10-2012_14_01_52the folder contains recordings from 48 hydrophones, and ... |
format |
Dataset |
author |
Wisniewska, Danuta M. Ratcliffe, John M. Beedholm, Kristian Christensen, Christian B. Johnson, Mark Koblitz, Jens C. Wahlberg, Magnus Madsen, Peter M. |
author_facet |
Wisniewska, Danuta M. Ratcliffe, John M. Beedholm, Kristian Christensen, Christian B. Johnson, Mark Koblitz, Jens C. Wahlberg, Magnus Madsen, Peter M. |
author_sort |
Wisniewska, Danuta M. |
title |
Data from: Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) ... |
title_short |
Data from: Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) ... |
title_full |
Data from: Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) ... |
title_fullStr |
Data from: Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) ... |
title_full_unstemmed |
Data from: Range-dependent flexibility in the acoustic field of view of echolocating porpoises (Phocoena phocoena) ... |
title_sort |
data from: range-dependent flexibility in the acoustic field of view of echolocating porpoises (phocoena phocoena) ... |
publisher |
Dryad |
publishDate |
2015 |
url |
https://dx.doi.org/10.5061/dryad.11b0f https://datadryad.org/stash/dataset/doi:10.5061/dryad.11b0f |
genre |
Phocoena phocoena toothed whales |
genre_facet |
Phocoena phocoena toothed whales |
op_relation |
https://dx.doi.org/10.7554/elife.05651 |
op_rights |
Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 |
op_doi |
https://doi.org/10.5061/dryad.11b0f10.7554/elife.05651 |
_version_ |
1789971780332421120 |