Stereotyped acoustic signals of the killer whale Orcinus orca (Cetacea: Delphinidae) from the Northwestern Pacific

Stereotyped acoustic signals of the killer whale Orcinus orca (Cetacea: Delphinidae) from the... In this paper the classification of the discrete calls of killer whales recorded in the Northwest Pacific is presented. It was shown that most of the calls can be divided into 20 discrete types easily distinguished by ear. The frequency parameters of the sounds made the maximum contribution into discrimination between call types, while their temporal parameters turned out to be less significant. The repertoires of stereotyped calls of killer whales from Chukot, Kamchatka, and the Commander and Kurile Islands were similar, due to the presence of shared types of calls. The greater the distance between the above-mentioned regions the fewer calls were shared by the resident killer whales. High vocal activity and the phenotypic features of the surveyed killer whales implied their attribution to the resident ecological type. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Stereotyped acoustic signals of the killer whale Orcinus orca (Cetacea: Delphinidae) from the Northwestern Pacific

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2008 by MAIK Nauka
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074008020053
Publisher site
See Article on Publisher Site

Abstract

In this paper the classification of the discrete calls of killer whales recorded in the Northwest Pacific is presented. It was shown that most of the calls can be divided into 20 discrete types easily distinguished by ear. The frequency parameters of the sounds made the maximum contribution into discrimination between call types, while their temporal parameters turned out to be less significant. The repertoires of stereotyped calls of killer whales from Chukot, Kamchatka, and the Commander and Kurile Islands were similar, due to the presence of shared types of calls. The greater the distance between the above-mentioned regions the fewer calls were shared by the resident killer whales. High vocal activity and the phenotypic features of the surveyed killer whales implied their attribution to the resident ecological type.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: May 25, 2008

References

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