publication . Article . 2001

Vocal behavior of male sperm whales: Why do they click?

Nathalie Jaquet; Lesley A. Douglas; Stephen M. Dawson;
  • Published: 01 Jan 2001
Off Kaikoura, New Zealand, we recorded individually identified male sperm whales (Physeter macrocephalus) for entire dive cycles in order to investigate vocal behavior of individual whales and to examine possible functions of sperm whale clicks. In our study, sperm whales were almost always silent at the surface. They consistently started clicking within 25 s after fluking-up and diving. During the first 10 s of clicking, interclick intervals were significantly correlated with water depths at the location of fluke-up. The first “creak” was produced on average 7.5 min into a dive. Interclick intervals usually decreased substantially before clicks turned into “cre...
free text keywords: Acoustics and Ultrasonics, Arts and Humanities (miscellaneous), Sperm whale, biology.organism_classification, biology, Sperm, Human echolocation, Acoustics, Audiology, medicine.medical_specialty, medicine, Bioacoustics
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