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An “orientation sphere” visualization for examining animal head movements
Rory Wilson 
,
Hannah J. Williams,
Mark Holton ,
Agustina di Virgilio,
Luca Borger ,
Jonathan R. Potts,
Richard Gunner,
Alex Arkwright,
Andreas Fahlman,
Nigel C. Bennett,
Abdulaziz Alagaili,
Nik C. Cole,
Carlos M. Duarte,
David M. Scantlebury
,
Hannah J. Williams,
Mark Holton ,
Agustina di Virgilio,
Luca Borger ,
Jonathan R. Potts,
Richard Gunner,
Alex Arkwright,
Andreas Fahlman,
Nigel C. Bennett,
Abdulaziz Alagaili,
Nik C. Cole,
Carlos M. Duarte,
David M. Scantlebury
Ecology and Evolution, Volume: 10, Issue: 10, Pages: 4175 - 4514
Swansea University Authors:
Rory Wilson , Mark Holton , Luca Borger , Richard Gunner
-
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DOI (Published version): 10.1002/ece3.6197
Abstract
Animal behavior is elicited, in part, in response to external conditions, but understanding how animals perceive the environment and make the decisions that bring about these behavioral responses is challenging.Animal heads often move during specific behaviors and, additionally, typically have senso...
| Published in: | Ecology and Evolution |
|---|---|
| ISSN: | 2045-7758 |
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Wiley
2020
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa54373 |
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<?xml version="1.0"?><rfc1807><datestamp>2020-07-23T13:56:40.1284221</datestamp><bib-version>v2</bib-version><id>54373</id><entry>2020-06-02</entry><title>An “orientation sphere” visualization for examining animal head movements</title><swanseaauthors><author><sid>017bc6dd155098860945dc6249c4e9bc</sid><ORCID>0000-0003-3177-0177</ORCID><firstname>Rory</firstname><surname>Wilson</surname><name>Rory Wilson</name><active>true</active><ethesisStudent>false</ethesisStudent></author><author><sid>0e1d89d0cc934a740dcd0a873aed178e</sid><ORCID>0000-0001-8834-3283</ORCID><firstname>Mark</firstname><surname>Holton</surname><name>Mark Holton</name><active>true</active><ethesisStudent>false</ethesisStudent></author><author><sid>8416d0ffc3cccdad6e6d67a455e7c4a2</sid><ORCID>0000-0001-8763-5997</ORCID><firstname>Luca</firstname><surname>Borger</surname><name>Luca Borger</name><active>true</active><ethesisStudent>false</ethesisStudent></author><author><sid>2683356ac0ac5d43946ac1f5b93e00e3</sid><firstname>Richard</firstname><surname>Gunner</surname><name>Richard Gunner</name><active>true</active><ethesisStudent>false</ethesisStudent></author></swanseaauthors><date>2020-06-02</date><deptcode>SBI</deptcode><abstract>Animal behavior is elicited, in part, in response to external conditions, but understanding how animals perceive the environment and make the decisions that bring about these behavioral responses is challenging.Animal heads often move during specific behaviors and, additionally, typically have sensory systems (notably vision, smell, and hearing) sampling in defined arcs (normally to the front of their heads). As such, head‐mounted electronic sensors consisting of accelerometers and magnetometers, which can be used to determine the movement and directionality of animal heads (where head “movement” is defined here as changes in heading [azimuth] and/or pitch [elevation angle]), can potentially provide information both on behaviors in general and also clarify which parts of the environment the animals might be prioritizing (“environmental framing”).We propose a new approach to visualize the data of such head‐mounted tags that combines the instantaneous outputs of head heading and pitch in a single intuitive spherical plot. This sphere has magnetic heading denoted by “longitude” position and head pitch by “latitude” on this “orientation sphere” (O‐sphere).We construct the O‐sphere for the head rotations of a number of vertebrates with contrasting body shape and ecology (oryx, sheep, tortoises, and turtles), illustrating various behaviors, including foraging, walking, and environmental scanning. We also propose correcting head orientations for body orientations to highlight specific heading‐independent head rotation, and propose the derivation of O‐sphere‐metrics, such as angular speed across the sphere. This should help identify the functions of various head behaviors.Visualizations of the O‐sphere provide an intuitive representation of animal behavior manifest via head orientation and rotation. This has ramifications for quantifying and understanding behaviors ranging from navigation through vigilance to feeding and, when used in tandem with body movement, should provide an important link between perception of the environment and response to it in free‐ranging animals.</abstract><type>Journal Article</type><journal>Ecology and Evolution</journal><volume>10</volume><journalNumber>10</journalNumber><paginationStart>4175</paginationStart><paginationEnd>4514</paginationEnd><publisher>Wiley</publisher><issnPrint>2045-7758</issnPrint><keywords>animal behaviour, environmental framing, head movement, data visualization, orientation sphere</keywords><publishedDay>1</publishedDay><publishedMonth>5</publishedMonth><publishedYear>2020</publishedYear><publishedDate>2020-05-01</publishedDate><doi>10.1002/ece3.6197</doi><url/><notes/><college>COLLEGE NANME</college><department>Biosciences</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>SBI</DepartmentCode><institution>Swansea University</institution><apcterm/><funders>KAUST - King Abdullah University of Science and Technology</funders><lastEdited>2020-07-23T13:56:40.1284221</lastEdited><Created>2020-06-02T11:17:43.7725467</Created><authors><author><firstname>Rory</firstname><surname>Wilson</surname><orcid>0000-0003-3177-0177</orcid><order>1</order></author><author><firstname>Hannah J.</firstname><surname>Williams</surname><order>2</order></author><author><firstname>Mark</firstname><surname>Holton</surname><orcid>0000-0001-8834-3283</orcid><order>3</order></author><author><firstname>Agustina di</firstname><surname>Virgilio</surname><order>4</order></author><author><firstname>Luca</firstname><surname>Borger</surname><orcid>0000-0001-8763-5997</orcid><order>5</order></author><author><firstname>Jonathan R.</firstname><surname>Potts</surname><order>6</order></author><author><firstname>Richard</firstname><surname>Gunner</surname><order>7</order></author><author><firstname>Alex</firstname><surname>Arkwright</surname><order>8</order></author><author><firstname>Andreas</firstname><surname>Fahlman</surname><order>9</order></author><author><firstname>Nigel C.</firstname><surname>Bennett</surname><order>10</order></author><author><firstname>Abdulaziz</firstname><surname>Alagaili</surname><order>11</order></author><author><firstname>Nik C.</firstname><surname>Cole</surname><order>12</order></author><author><firstname>Carlos M.</firstname><surname>Duarte</surname><order>13</order></author><author><firstname>David M.</firstname><surname>Scantlebury</surname><order>14</order></author></authors><documents><document><filename>54373__17768__f7de83335b34402f82f8229ad582c748.pdf</filename><originalFilename>54373.pdf</originalFilename><uploaded>2020-07-23T13:54:52.0227410</uploaded><type>Output</type><contentLength>1867606</contentLength><contentType>application/pdf</contentType><version>Version of Record</version><cronfaStatus>true</cronfaStatus><documentNotes>This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.</documentNotes><copyrightCorrect>true</copyrightCorrect><licence>https://creativecommons.org/licenses/by/4.0/</licence></document></documents><OutputDurs/></rfc1807> |
| spelling |
2020-07-23T13:56:40.1284221 v2 54373 2020-06-02 An “orientation sphere” visualization for examining animal head movements 017bc6dd155098860945dc6249c4e9bc 0000-0003-3177-0177 Rory Wilson Rory Wilson true false 0e1d89d0cc934a740dcd0a873aed178e 0000-0001-8834-3283 Mark Holton Mark Holton true false 8416d0ffc3cccdad6e6d67a455e7c4a2 0000-0001-8763-5997 Luca Borger Luca Borger true false 2683356ac0ac5d43946ac1f5b93e00e3 Richard Gunner Richard Gunner true false 2020-06-02 SBI Animal behavior is elicited, in part, in response to external conditions, but understanding how animals perceive the environment and make the decisions that bring about these behavioral responses is challenging.Animal heads often move during specific behaviors and, additionally, typically have sensory systems (notably vision, smell, and hearing) sampling in defined arcs (normally to the front of their heads). As such, head‐mounted electronic sensors consisting of accelerometers and magnetometers, which can be used to determine the movement and directionality of animal heads (where head “movement” is defined here as changes in heading [azimuth] and/or pitch [elevation angle]), can potentially provide information both on behaviors in general and also clarify which parts of the environment the animals might be prioritizing (“environmental framing”).We propose a new approach to visualize the data of such head‐mounted tags that combines the instantaneous outputs of head heading and pitch in a single intuitive spherical plot. This sphere has magnetic heading denoted by “longitude” position and head pitch by “latitude” on this “orientation sphere” (O‐sphere).We construct the O‐sphere for the head rotations of a number of vertebrates with contrasting body shape and ecology (oryx, sheep, tortoises, and turtles), illustrating various behaviors, including foraging, walking, and environmental scanning. We also propose correcting head orientations for body orientations to highlight specific heading‐independent head rotation, and propose the derivation of O‐sphere‐metrics, such as angular speed across the sphere. This should help identify the functions of various head behaviors.Visualizations of the O‐sphere provide an intuitive representation of animal behavior manifest via head orientation and rotation. This has ramifications for quantifying and understanding behaviors ranging from navigation through vigilance to feeding and, when used in tandem with body movement, should provide an important link between perception of the environment and response to it in free‐ranging animals. Journal Article Ecology and Evolution 10 10 4175 4514 Wiley 2045-7758 animal behaviour, environmental framing, head movement, data visualization, orientation sphere 1 5 2020 2020-05-01 10.1002/ece3.6197 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University KAUST - King Abdullah University of Science and Technology 2020-07-23T13:56:40.1284221 2020-06-02T11:17:43.7725467 Rory Wilson 0000-0003-3177-0177 1 Hannah J. Williams 2 Mark Holton 0000-0001-8834-3283 3 Agustina di Virgilio 4 Luca Borger 0000-0001-8763-5997 5 Jonathan R. Potts 6 Richard Gunner 7 Alex Arkwright 8 Andreas Fahlman 9 Nigel C. Bennett 10 Abdulaziz Alagaili 11 Nik C. Cole 12 Carlos M. Duarte 13 David M. Scantlebury 14 54373__17768__f7de83335b34402f82f8229ad582c748.pdf 54373.pdf 2020-07-23T13:54:52.0227410 Output 1867606 application/pdf Version of Record true This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. true https://creativecommons.org/licenses/by/4.0/ |
| title |
An “orientation sphere” visualization for examining animal head movements |
| spellingShingle |
An “orientation sphere” visualization for examining animal head movements Rory Wilson Mark Holton Luca Borger Richard Gunner |
| title_short |
An “orientation sphere” visualization for examining animal head movements |
| title_full |
An “orientation sphere” visualization for examining animal head movements |
| title_fullStr |
An “orientation sphere” visualization for examining animal head movements |
| title_full_unstemmed |
An “orientation sphere” visualization for examining animal head movements |
| title_sort |
An “orientation sphere” visualization for examining animal head movements |
| author_id_str_mv |
017bc6dd155098860945dc6249c4e9bc 0e1d89d0cc934a740dcd0a873aed178e 8416d0ffc3cccdad6e6d67a455e7c4a2 2683356ac0ac5d43946ac1f5b93e00e3 |
| author_id_fullname_str_mv |
017bc6dd155098860945dc6249c4e9bc_***_Rory Wilson 0e1d89d0cc934a740dcd0a873aed178e_***_Mark Holton 8416d0ffc3cccdad6e6d67a455e7c4a2_***_Luca Borger 2683356ac0ac5d43946ac1f5b93e00e3_***_Richard Gunner |
| author |
Rory Wilson Mark Holton Luca Borger Richard Gunner |
| author2 |
Rory Wilson Hannah J. Williams Mark Holton Agustina di Virgilio Luca Borger Jonathan R. Potts Richard Gunner Alex Arkwright Andreas Fahlman Nigel C. Bennett Abdulaziz Alagaili Nik C. Cole Carlos M. Duarte David M. Scantlebury |
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Journal article |
| container_title |
Ecology and Evolution |
| container_volume |
10 |
| container_issue |
10 |
| container_start_page |
4175 |
| publishDate |
2020 |
| institution |
Swansea University |
| issn |
2045-7758 |
| doi_str_mv |
10.1002/ece3.6197 |
| publisher |
Wiley |
| document_store_str |
1 |
| active_str |
0 |
| description |
Animal behavior is elicited, in part, in response to external conditions, but understanding how animals perceive the environment and make the decisions that bring about these behavioral responses is challenging.Animal heads often move during specific behaviors and, additionally, typically have sensory systems (notably vision, smell, and hearing) sampling in defined arcs (normally to the front of their heads). As such, head‐mounted electronic sensors consisting of accelerometers and magnetometers, which can be used to determine the movement and directionality of animal heads (where head “movement” is defined here as changes in heading [azimuth] and/or pitch [elevation angle]), can potentially provide information both on behaviors in general and also clarify which parts of the environment the animals might be prioritizing (“environmental framing”).We propose a new approach to visualize the data of such head‐mounted tags that combines the instantaneous outputs of head heading and pitch in a single intuitive spherical plot. This sphere has magnetic heading denoted by “longitude” position and head pitch by “latitude” on this “orientation sphere” (O‐sphere).We construct the O‐sphere for the head rotations of a number of vertebrates with contrasting body shape and ecology (oryx, sheep, tortoises, and turtles), illustrating various behaviors, including foraging, walking, and environmental scanning. We also propose correcting head orientations for body orientations to highlight specific heading‐independent head rotation, and propose the derivation of O‐sphere‐metrics, such as angular speed across the sphere. This should help identify the functions of various head behaviors.Visualizations of the O‐sphere provide an intuitive representation of animal behavior manifest via head orientation and rotation. This has ramifications for quantifying and understanding behaviors ranging from navigation through vigilance to feeding and, when used in tandem with body movement, should provide an important link between perception of the environment and response to it in free‐ranging animals. |
| published_date |
2020-05-01T04:07:52Z |
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1763753561716424704 |
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11.037166 |