Image_1_Vocal behavior of false killer whale (Pseudorca crassidens) acoustic subgroups.pdf

Understanding the vocal behavior of cetaceans is an important component of many passive acoustic applications. This study quantifies the vocal behavior of acoustic subgroups of false killer whales (Pseudorca crassidens) from the Hawaiian Archipelago. The acoustic subgroups (N = 523) exhibit diverse...

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Bibliographic Details
Main Authors: Pina Gruden, Yvonne M. Barkley, Jennifer L. K. McCullough
Format: Still Image
Language:unknown
Published: 2023
Subjects:
Oceanography
Marine Biology
Marine Geoscience
Biological Oceanography
Chemical Oceanography
Physical Oceanography
Marine Engineering
acoustic behavior
false killer whales
echolocation clicks
whistles
towed hydrophone array
passive acoustics
Killer Whale
Online Access:https://doi.org/10.3389/fmars.2023.1147670.s001
https://figshare.com/articles/figure/Image_1_Vocal_behavior_of_false_killer_whale_Pseudorca_crassidens_acoustic_subgroups_pdf/22274068
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Summary:Understanding the vocal behavior of cetaceans is an important component of many passive acoustic applications. This study quantifies the vocal behavior of acoustic subgroups of false killer whales (Pseudorca crassidens) from the Hawaiian Archipelago. The acoustic subgroups (N = 523) exhibit diverse vocal behavior that varies between encounters. Overall, 29% of acoustic subgroups only echolocate, 16% only whistle, and 55% emit both types of vocalizations. These results contribute important information for developing automated passive acoustic cetacean tracking, localization, and classification techniques, and thus, support future cetacean monitoring and assessment efforts.

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