A 2.6-gram sound and movement tag for studying the acoustic scene and kinematics of echolocating bats

Laura Stidsholt; Mark Johnson; Kristian Beedholm; Lasse Jakobsen; Kathrin Kugler; Signe Brinkløv; Angeles Salles; Cynthia F. Moss; Peter Teglberg Madsen

doi:10.1111/2041-210X.13108

A 2.6-gram sound and movement tag for studying the acoustic scene and kinematics of echolocating bats

Laura Stidsholt, Mark Johnson, Kristian Beedholm, Lasse Jakobsen, Kathrin Kugler, Signe Brinkløv, Angeles Salles, Cynthia F. Moss, Peter Teglberg Madsen

Research output: Contribution to journal › Article › peer-review

Abstract

1. To study sensorimotor behaviour in wild animals, it is necessary to synchronously record the sensory inputs available to the animal, and its movements. To do this, we have developed a biologging device that can record the primary sensory information and the associated movements during foraging and navigating in echolocating bats.

2. This 2.6 -gram tag records the sonar calls and echoes from an ultrasonic microphone, while simultaneously sampling fine-scale movement in three dimensions from wideband accelerometers and magnetometers. In this study, we tested the tag on an European noctula (Nyctalus noctula) during target approaches and on four big brown bats (Eptesicus fuscus) during prey interception in a flight room.

3. We show that the tag records both the outgoing calls and echoes returning from objects at biologically relevant distances. Inertial sensor data enables the detection of behavioural events such as flying, turning, and resting. In addition, individual wing-beats can be tracked and synchronized to the bat's sound emissions to study the coordination of different motor events.

4. By recording the primary acoustic flow of bats concomitant with associated behaviours on a very fine time-scale, this type of biologging method will foster a deeper understanding of how sensory inputs guide feeding behaviours in the wild.

Original language	English
Pages (from-to)	48-58
Number of pages	11
Journal	Methods in Ecology and Evolution
Volume	10
Issue number	1
Early online date	11 Nov 2018
DOIs	https://doi.org/10.1111/2041-210X.13108
Publication status	Published - Jan 2019

Keywords

Archival tag
Auditory scene
Bat echolocation
Biologging
Echogram
Echoic scene
Flight kinematics
Inertial sensors

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10.1111/2041-210X.13108

Stidsholt_2018_MEE_2.6-gramsound_AAM
© 2018, the Author(s). Methods in Ecology and Evolution © 2018 British Ecological Society This work has been made available online in accordance with the publisher's policies. This is the author created accepted version manuscript following peer review and as such may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1111/2041-210X.13108
Accepted author manuscript, 1 MB

Data from: A 2.6-gram sound and movement tag for studying the acoustic scene and kinematics of echolocating bats
Stidsholt, L. (Creator), Johnson, M. (Creator), Beedholm, K. (Creator), Jakobsen, L. (Creator), Kugler, K. (Creator), Brinkløv, S. (Creator), Salles, A. (Creator), Moss, C. F. (Creator) & Teglberg Madsen, P. (Creator), Dryad, 16 Oct 2018
DOI: 10.5061/dryad.s1r7qr3
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title = "A 2.6-gram sound and movement tag for studying the acoustic scene and kinematics of echolocating bats",

abstract = "1. To study sensorimotor behaviour in wild animals, it is necessary to synchronously record the sensory inputs available to the animal, and its movements. To do this, we have developed a biologging device that can record the primary sensory information and the associated movements during foraging and navigating in echolocating bats.2. This 2.6 -gram tag records the sonar calls and echoes from an ultrasonic microphone, while simultaneously sampling fine-scale movement in three dimensions from wideband accelerometers and magnetometers. In this study, we tested the tag on an European noctula (Nyctalus noctula) during target approaches and on four big brown bats (Eptesicus fuscus) during prey interception in a flight room.3. We show that the tag records both the outgoing calls and echoes returning from objects at biologically relevant distances. Inertial sensor data enables the detection of behavioural events such as flying, turning, and resting. In addition, individual wing-beats can be tracked and synchronized to the bat's sound emissions to study the coordination of different motor events.4. By recording the primary acoustic flow of bats concomitant with associated behaviours on a very fine time-scale, this type of biologging method will foster a deeper understanding of how sensory inputs guide feeding behaviours in the wild. ",

keywords = "Archival tag, Auditory scene, Bat echolocation, Biologging, Echogram, Echoic scene, Flight kinematics, Inertial sensors",

author = "Laura Stidsholt and Mark Johnson and Kristian Beedholm and Lasse Jakobsen and Kathrin Kugler and Signe Brinkl{\o}v and Angeles Salles and Moss, {Cynthia F.} and Madsen, {Peter Teglberg}",

note = "This study was supported by the Carlsberg Foundation via a Semper Ardens grant, ONR, N00014-17-1- 2736; AFOSR FA9550-14-1-0398, and NSF NCS-FO:1734744 and a Human Frontiers Science Program Long-Term Fellowship to AS. These experiments were approved by The Danish Council for Experiments on Animals under permit number: 2016-15-0201-00989 and by the Johns Hopkins University Animal Care and Use Committee under protocol number BA17A107. We thank Uwe Firzlaff and Lutz Wiegrebe for their help.",

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AU - Johnson, Mark

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AU - Kugler, Kathrin

AU - Brinkløv, Signe

AU - Salles, Angeles

AU - Moss, Cynthia F.

AU - Madsen, Peter Teglberg

N1 - This study was supported by the Carlsberg Foundation via a Semper Ardens grant, ONR, N00014-17-1- 2736; AFOSR FA9550-14-1-0398, and NSF NCS-FO:1734744 and a Human Frontiers Science Program Long-Term Fellowship to AS. These experiments were approved by The Danish Council for Experiments on Animals under permit number: 2016-15-0201-00989 and by the Johns Hopkins University Animal Care and Use Committee under protocol number BA17A107. We thank Uwe Firzlaff and Lutz Wiegrebe for their help.

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N2 - 1. To study sensorimotor behaviour in wild animals, it is necessary to synchronously record the sensory inputs available to the animal, and its movements. To do this, we have developed a biologging device that can record the primary sensory information and the associated movements during foraging and navigating in echolocating bats.2. This 2.6 -gram tag records the sonar calls and echoes from an ultrasonic microphone, while simultaneously sampling fine-scale movement in three dimensions from wideband accelerometers and magnetometers. In this study, we tested the tag on an European noctula (Nyctalus noctula) during target approaches and on four big brown bats (Eptesicus fuscus) during prey interception in a flight room.3. We show that the tag records both the outgoing calls and echoes returning from objects at biologically relevant distances. Inertial sensor data enables the detection of behavioural events such as flying, turning, and resting. In addition, individual wing-beats can be tracked and synchronized to the bat's sound emissions to study the coordination of different motor events.4. By recording the primary acoustic flow of bats concomitant with associated behaviours on a very fine time-scale, this type of biologging method will foster a deeper understanding of how sensory inputs guide feeding behaviours in the wild.

AB - 1. To study sensorimotor behaviour in wild animals, it is necessary to synchronously record the sensory inputs available to the animal, and its movements. To do this, we have developed a biologging device that can record the primary sensory information and the associated movements during foraging and navigating in echolocating bats.2. This 2.6 -gram tag records the sonar calls and echoes from an ultrasonic microphone, while simultaneously sampling fine-scale movement in three dimensions from wideband accelerometers and magnetometers. In this study, we tested the tag on an European noctula (Nyctalus noctula) during target approaches and on four big brown bats (Eptesicus fuscus) during prey interception in a flight room.3. We show that the tag records both the outgoing calls and echoes returning from objects at biologically relevant distances. Inertial sensor data enables the detection of behavioural events such as flying, turning, and resting. In addition, individual wing-beats can be tracked and synchronized to the bat's sound emissions to study the coordination of different motor events.4. By recording the primary acoustic flow of bats concomitant with associated behaviours on a very fine time-scale, this type of biologging method will foster a deeper understanding of how sensory inputs guide feeding behaviours in the wild.

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KW - Auditory scene

KW - Bat echolocation

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KW - Echogram

KW - Echoic scene

KW - Flight kinematics

KW - Inertial sensors

U2 - 10.1111/2041-210X.13108

DO - 10.1111/2041-210X.13108

M3 - Article

SN - 2041-210X

VL - 10

SP - 48

EP - 58

JO - Methods in Ecology and Evolution

JF - Methods in Ecology and Evolution

IS - 1

ER -

A 2.6-gram sound and movement tag for studying the acoustic scene and kinematics of echolocating bats

Abstract

Keywords

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Data from: A 2.6-gram sound and movement tag for studying the acoustic scene and kinematics of echolocating bats

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