The sounds of silence: Barn owl noise in landing and taking off

Arjan Boonman; Pazit Zadicario; Yael Mazon; Chen Rabi; David Eilam

doi:10.1016/j.beproc.2018.06.011

The sounds of silence: Barn owl noise in landing and taking off

Arjan Boonman, Pazit Zadicario, Yael Mazon, Chen Rabi, David Eilam^*

^*Corresponding author for this work

School of Zoology

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

Abstract

A barn owl swooping down generated a quieter, almost silent, noise (acoustic impulses) compared to a louder noise generated by the owl when taking off. These acoustic impulses are at low frequencies which are below the auditory threshold to most rodents. Therefore, rodents are less likely to hear these noises of owl flight. A previous study revealed that rodents exhibit frantic response to an owl taking off (as opposed to their typical freezing response during owl attack). The frantic response could be the result of tactile reception of the air-puffs generated by the owl's wingbeats and may reduce the success in subsequent attacks.

Original language	English
Pages (from-to)	484-488
Number of pages	5
Journal	Behavioural Processes
Volume	157
DOIs	https://doi.org/10.1016/j.beproc.2018.06.011
State	Published - Dec 2018

Keywords

Air puffs
Audiogram
Barn owl
Flight noise
Raptor-prey interactions
Surprise attack
Turbulence

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10.1016/j.beproc.2018.06.011

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title = "The sounds of silence: Barn owl noise in landing and taking off",

abstract = "A barn owl swooping down generated a quieter, almost silent, noise (acoustic impulses) compared to a louder noise generated by the owl when taking off. These acoustic impulses are at low frequencies which are below the auditory threshold to most rodents. Therefore, rodents are less likely to hear these noises of owl flight. A previous study revealed that rodents exhibit frantic response to an owl taking off (as opposed to their typical freezing response during owl attack). The frantic response could be the result of tactile reception of the air-puffs generated by the owl's wingbeats and may reduce the success in subsequent attacks.",

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AU - Boonman, Arjan

AU - Zadicario, Pazit

AU - Mazon, Yael

AU - Rabi, Chen

AU - Eilam, David

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KW - Raptor-prey interactions

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KW - Turbulence

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The sounds of silence: Barn owl noise in landing and taking off

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