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Southern right whale vocalizations on foraging grounds in South Georgia

JASA Express Letters, ISSN: 2691-1191, Vol: 1, Issue: 6, Page: 061202
2021
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Acoustic research sheds new light on whale sounds 

Scientists from British Antarctic Survey (BAS), Scottish Association for Marine Science (SAMS), and international collaborators have this week published the first detailed research on the sounds made by southern right whales on their high latitude feeding grounds at South Georgia.

Article Description

Southern right whale vocalizations were recorded concurrently with visual observations off the sub-Antarctic Island of South Georgia, and the characteristics of these calls were described. Calls were also compared to those of humpback whales at South Georgia, to determine how the two species might reliably be distinguished acoustically. The southern right whale calls measured (which were all upcalls) had lower frequency with peak energy and were mostly shorter in duration than the calls measured from humpback whales. The frequency upsweep and the lack of harmonics of southern right whale calls were also diagnostic characteristics.

Bibliographic Details

Calderan, Susannah V; Leaper, Russell C; Miller, Brian S; Andriolo, Artur; Buss, Danielle L; Carroll, Emma L; Kennedy, Amy S; Stepien, Emilie N; Jackson, Jennifer A

Acoustical Society of America (ASA)

Physics and Astronomy; Arts and Humanities

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