Audiogram of the kea parrot, Nestor notabilis

Raoul Schwing; Ximena J Nelson; Stuart Parsons

doi:10.1121/1.4967757

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Audiogram of the kea parrot, Nestor notabilis

Journal article

Peer reviewed

Audiogram of the kea parrot, Nestor notabilis

Raoul Schwing, Ximena J Nelson and Stuart Parsons

Journal of the Acoustical Society of America, Vol.140(5), pp.3739-3744

2016

DOI: https://doi.org/10.1121/1.4967757

PMID: 27908073

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Abstract

Vocal communication requires the sender to produce a sound, which transmits through the environment and is perceived by the receiver. Perception is dependent on the quality of the received signal and the receiver's frequency and amplitude sensitivity; hearing sensitivity of animals can be tested using behavioural detection tasks, showing the physical limitations of sound perception. Kea parrots (Nestor notabilis) were tested for their ability to hear sounds that varied in terms of both frequency and amplitude by means of a simple auditory detection task. Audiograms for three kea were similar, with the region of highest sensitivity (1-5 kHz) corresponding to the frequency of the highest amplitude in kea calls. Compared with other parrots and other bird taxa, the overall shape of the kea audiogram follows a similar pattern. However, two potentially interesting differences to the audiograms of other birds were found: an increase in sensitivity at approximately 12 kHz and a decreased sensitivity to frequencies below 1 kHz.

Details

Title: Audiogram of the kea parrot, Nestor notabilis
Authors: Raoul Schwing (Author) - Medical University of Vienna
Ximena J Nelson (Author) - University of Canterbury
Stuart Parsons (Author) - University of Auckland
Publication details: Journal of the Acoustical Society of America, Vol.140(5), pp.3739-3744
Publisher: A I P Publishing LLC
DOI: 10.1121/1.4967757
ISSN: 1520-8524
PMID: 27908073
Organisation Unit: School of Science, Technology and Engineering; University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99575106202621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Acoustics; Audiology & Speech-language Pathology

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