Characterization of Australian fur seal vocalizations during the breeding season

Tripovich, Joy S., Canfield, Rhondda, Rogers, Tracey L. and Arnould, John P. Y. 2008, Characterization of Australian fur seal vocalizations during the breeding season, Marine mammal science, vol. 24, no. 4, pp. 913-928.

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Title Characterization of Australian fur seal vocalizations during the breeding season
Author(s) Tripovich, Joy S.
Canfield, Rhondda
Rogers, Tracey L.
Arnould, John P. Y.
Journal name Marine mammal science
Volume number 24
Issue number 4
Start page 913
End page 928
Total pages 16
Publisher Wiley-Blackwell Publishing
Place of publication Malden, Mass.
Publication date 2008-10
ISSN 0824-0469
1748-7692
Keyword(s) Australian fur seal
Arctocephalus pusillus doriferus
vocalizations
behavioral context
vocal repertoire
Summary The vocal repertoire, structure, and behavioral context of airborne vocalizations produced by Australian fur seals (Arctocephalus pusillus doriferus) are described using recordings made at a breeding colony on Kanowna Island, Bass Strait, Australia. The study identified six different call types: three produced by males (bark, guttural threat, and submissive call); five produced by females (bark, guttural threat, submissive call, growl, and pup attraction call) and the female attraction call produced by pups and yearlings. Vocalizations were compared according to age and sex classes. The overall structure and function of the pup attraction and female attraction call produced by females, yearlings, and pups, was similar. However, while similar in their overall appearance, certain call types have a lower fundamental frequency when compared with other fur seals. In addition, the male bark call alters in rate of production according to the context used, where calls are slower when males are stationary and advertising their territorial status and faster when males are involved in confrontations with other males or actively herding females. Further research is required to investigate changes in environmental conditions and their effects on shaping the call structure and communication in Australian fur seals.
Language eng
Field of Research 060201 Behavioural Ecology
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2008
Copyright notice ©2008, Wiley-Blackwell Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017828

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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