The Antillean manatee produces broadband vocalizations with ultrasonic frequencies

Antillean manatees produce vocalizations reported to be important for communication, but their vocal behavior throughout their geographic range is poorly understood. A SoundTrap recorder (sample rates: 288/576 kHz) was deployed in Belize to record vocalizations of wild manatees in a seagrass channel...

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Bibliographic Details
Published in:The Journal of the Acoustical Society of America 2020-02, Vol.147 (2), p.EL80-EL86
Main Authors: Ramos, Eric A., Maust-Mohl, Maria, Collom, Kristi A., Brady, Beth, Gerstein, Edmund R., Magnasco, Marcelo O., Reiss, Diana
Format: Article
Language:English
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Summary:Antillean manatees produce vocalizations reported to be important for communication, but their vocal behavior throughout their geographic range is poorly understood. A SoundTrap recorder (sample rates: 288/576 kHz) was deployed in Belize to record vocalizations of wild manatees in a seagrass channel and of a young rehabilitated and released manatee in a shallow lagoon. Spectral analysis revealed broadband vocalizations with frequencies up to 150 kHz and a high proportion of calls with ultrasonic components. Ultrasonic frequency components appear prevalent in their vocal repertoire and may be important to manatee communication.
ISSN:0001-4966
1520-8524
DOI:10.1121/10.0000602