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Kriesell, H.J., Elwen, S.H., Nastasi, A. and Gridley, T. 2014. Identification and characteristics of signature whistles in wild Bottlenose Dolphins (Tursiops truncatus) from Namibia. PLoS ONE 9(9): e106317


Description:

Identification and characteristics of signature whistles in wild Bottlenose Dolphins (Tursiops truncatus) from Namibia.

Summary / Notes:

A signature whistle type is a learned, individually distinctive whistle type in a dolphin's acoustic repertoire that broadcasts the identity of the whistle owner. The acquisition and use of signature whistles indicates complex cognitive functioning that requires wider investigation in wild dolphin populations. Here we identify signature whistle types from a population of approximately 100 wild common bottlenose dolphins (Tursiops truncatus) inhabiting Walvis Bay, and describe signature whistle occurrence, acoustic parameters and temporal production. A catalogue of 43 repeatedly emitted whistle types (REWTs) was generated by analysing 79 hrs of acoustic recordings. From this, 28 signature whistle types were identified using a method based on the temporal patterns in whistle sequences.

Year: 2014

Type: Journal Article

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