A 2.6-g 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

*Kontaktforfatter for dette arbejde

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

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. This 2.6-g 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. 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. 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.

OriginalsprogEngelsk
TidsskriftMethods in Ecology and Evolution
Vol/bind10
Udgave nummer1
Sider (fra-til)48-58
ISSN2041-210X
DOI
StatusUdgivet - jan. 2019

Fingeraftryk

bat
kinematics
Chiroptera
acoustics
flight
accelerometer
sonar
magnetometer
wild animals
interception
feeding behavior
sensors (equipment)
ultrasonics
foraging
sensor
timescale
sound
animal
sampling
animals

Citer dette

Stidsholt, Laura ; Johnson, Mark ; Beedholm, Kristian ; Jakobsen, Lasse ; Kugler, Kathrin ; Brinkløv, Signe ; Salles, Angeles ; Moss, Cynthia F. ; Madsen, Peter Teglberg. / A 2.6-g sound and movement tag for studying the acoustic scene and kinematics of echolocating bats. I: Methods in Ecology and Evolution. 2019 ; Bind 10, Nr. 1. s. 48-58.
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abstract = "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. This 2.6-g 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. 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. 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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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}",
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A 2.6-g sound and movement tag for studying the acoustic scene and kinematics of echolocating bats. / Stidsholt, Laura; Johnson, Mark; Beedholm, Kristian; Jakobsen, Lasse; Kugler, Kathrin; Brinkløv, Signe; Salles, Angeles; Moss, Cynthia F.; Madsen, Peter Teglberg.

I: Methods in Ecology and Evolution, Bind 10, Nr. 1, 01.2019, s. 48-58.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - A 2.6-g sound and movement tag for studying the acoustic scene and kinematics of echolocating bats

AU - Stidsholt, Laura

AU - Johnson, Mark

AU - Beedholm, Kristian

AU - Jakobsen, Lasse

AU - Kugler, Kathrin

AU - Brinkløv, Signe

AU - Salles, Angeles

AU - Moss, Cynthia F.

AU - Madsen, Peter Teglberg

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N2 - 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. This 2.6-g 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. 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. 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 - 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. This 2.6-g 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. 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. 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.

KW - archival tag

KW - auditory scene

KW - bat echolocation

KW - biologging

KW - echogram

KW - echoic scene

KW - flight kinematics

KW - inertial sensors

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