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Vocal Characteristics and Communication Strategies of Weddell Seal 'Leptonychotes weddelli' Underwater Calls

Created 13/03/2025

Updated 13/03/2025

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The underwater and in-air recordings were used to derive a technique to classify the call types. The in-air recordings demonstrated that both males and females vocalise and often a single seal will string up to 6 call types together in a variety of orders. No 'Trills' were heard by males or females on the ice. The seals lengthened the duration of multiple-element calls when they were 'interrupted' by another calling seal. This suggests that the seals are listening for the calls of conspecifics while they themselves are calling. A pilot project indicated that almost none of the calls are completely masked by other calling seals. The recordings are being used (in association with recordings obtained in later years) to address other aspects of Weddell seal vocal communication. See the link below for public details on this project.

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Title Vocal Characteristics and Communication Strategies of Weddell Seal 'Leptonychotes weddelli' Underwater Calls
Language eng
Licence Not Specified
Landing Page https://devweb.dga.links.com.au/data/dataset/ed8ee314-dbf5-4e50-b7d8-a38e6cf50dcd
Contact Point
CSIRO Oceans & Atmosphere
metadata@aad.gov.au
Reference Period 10/11/1990 - 16/12/1990
Geospatial Coverage {"type": "Polygon", "coordinates": [[[78.0, -68.5], [78.5, -68.5], [78.5, -68.0], [78.0, -68.0], [78.0, -68.5]]]}
Data Portal data.gov.au