Australian long-finned pilot whales (Globicephala melas) emit stereotypical, variable, biphonic, multi-component, and sequenced vocalisations, similar to those recorded in the northern hemisphere
While in the northern hemisphere, many studies have been conducted on the vocal repertoire of long-finned pilot whales (Globicephala melas), no such study has been conducted in the southern hemisphere. Presented here, is the first study on the vocalisations of long-finned pilot whales along the sout...
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ftzenodo:oai:zenodo.org:4069220 2023-06-06T11:58:21+02:00 Australian long-finned pilot whales (Globicephala melas) emit stereotypical, variable, biphonic, multi-component, and sequenced vocalisations, similar to those recorded in the northern hemisphere Courts, Rachael Erbe, Christine Wellard, Rebecca Boisseau, Oliver Jenner, K. Curt Jenner, Micheline-N 2020-09-17 https://zenodo.org/record/4069220 https://doi.org/10.5061/dryad.w3r2280p3 unknown https://zenodo.org/communities/dryad https://zenodo.org/record/4069220 https://doi.org/10.5061/dryad.w3r2280p3 oai:zenodo.org:4069220 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode info:eu-repo/semantics/other dataset 2020 ftzenodo https://doi.org/10.5061/dryad.w3r2280p3 2023-04-13T22:59:14Z While in the northern hemisphere, many studies have been conducted on the vocal repertoire of long-finned pilot whales (Globicephala melas), no such study has been conducted in the southern hemisphere. Presented here, is the first study on the vocalisations of long-finned pilot whales along the southern coast of mainland Australia. Multiple measures were taken of 2 028 vocalisations recorded over five years in several locations. These vocalisations included tonal sounds with and without overtones, sounds of burst-pulse character, graded sounds, biphonations, and calls of multiple components. Vocalisations were further categorised based on spectrographic features into 18 contour classes. Altogether, vocalisations ranged from approximately 200 Hz to 25 kHz in fundamental frequency and from 0.03 s to 2.07 s in duration. These measures compared well with those from northern hemisphere pilot whales. Some call types were almost identical to northern hemisphere vocalisations, even though the geographic ranges of the two populations are far apart. Other call types were unique to Australia. Striking similarities with calls of short-finned pilot whales (Globicephala macrorhynchus) and sometimes sympatric killer whales (Orcinus orca) were also found. Theories for call convergence and divergence are discussed. Dataset Orca Orcinus orca Zenodo |
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ftzenodo |
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unknown |
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While in the northern hemisphere, many studies have been conducted on the vocal repertoire of long-finned pilot whales (Globicephala melas), no such study has been conducted in the southern hemisphere. Presented here, is the first study on the vocalisations of long-finned pilot whales along the southern coast of mainland Australia. Multiple measures were taken of 2 028 vocalisations recorded over five years in several locations. These vocalisations included tonal sounds with and without overtones, sounds of burst-pulse character, graded sounds, biphonations, and calls of multiple components. Vocalisations were further categorised based on spectrographic features into 18 contour classes. Altogether, vocalisations ranged from approximately 200 Hz to 25 kHz in fundamental frequency and from 0.03 s to 2.07 s in duration. These measures compared well with those from northern hemisphere pilot whales. Some call types were almost identical to northern hemisphere vocalisations, even though the geographic ranges of the two populations are far apart. Other call types were unique to Australia. Striking similarities with calls of short-finned pilot whales (Globicephala macrorhynchus) and sometimes sympatric killer whales (Orcinus orca) were also found. Theories for call convergence and divergence are discussed. |
format |
Dataset |
author |
Courts, Rachael Erbe, Christine Wellard, Rebecca Boisseau, Oliver Jenner, K. Curt Jenner, Micheline-N |
spellingShingle |
Courts, Rachael Erbe, Christine Wellard, Rebecca Boisseau, Oliver Jenner, K. Curt Jenner, Micheline-N Australian long-finned pilot whales (Globicephala melas) emit stereotypical, variable, biphonic, multi-component, and sequenced vocalisations, similar to those recorded in the northern hemisphere |
author_facet |
Courts, Rachael Erbe, Christine Wellard, Rebecca Boisseau, Oliver Jenner, K. Curt Jenner, Micheline-N |
author_sort |
Courts, Rachael |
title |
Australian long-finned pilot whales (Globicephala melas) emit stereotypical, variable, biphonic, multi-component, and sequenced vocalisations, similar to those recorded in the northern hemisphere |
title_short |
Australian long-finned pilot whales (Globicephala melas) emit stereotypical, variable, biphonic, multi-component, and sequenced vocalisations, similar to those recorded in the northern hemisphere |
title_full |
Australian long-finned pilot whales (Globicephala melas) emit stereotypical, variable, biphonic, multi-component, and sequenced vocalisations, similar to those recorded in the northern hemisphere |
title_fullStr |
Australian long-finned pilot whales (Globicephala melas) emit stereotypical, variable, biphonic, multi-component, and sequenced vocalisations, similar to those recorded in the northern hemisphere |
title_full_unstemmed |
Australian long-finned pilot whales (Globicephala melas) emit stereotypical, variable, biphonic, multi-component, and sequenced vocalisations, similar to those recorded in the northern hemisphere |
title_sort |
australian long-finned pilot whales (globicephala melas) emit stereotypical, variable, biphonic, multi-component, and sequenced vocalisations, similar to those recorded in the northern hemisphere |
publishDate |
2020 |
url |
https://zenodo.org/record/4069220 https://doi.org/10.5061/dryad.w3r2280p3 |
genre |
Orca Orcinus orca |
genre_facet |
Orca Orcinus orca |
op_relation |
https://zenodo.org/communities/dryad https://zenodo.org/record/4069220 https://doi.org/10.5061/dryad.w3r2280p3 oai:zenodo.org:4069220 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5061/dryad.w3r2280p3 |
_version_ |
1767966948579082240 |