Similar circling movements observed across marine megafauna taxa

Advances in biologging technology have enabled 3D dead-reckoning reconstruction of marine animal movements at spatiotemporal scales of meters and seconds. Examining high-resolution 3D movements of sharks (Galeocerdo cuvier, N = 4; Rhincodon typus, N = 1), sea turtles (Chelonia mydas, N = 3), penguin...

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Bibliographic Details
Published in:iScience
Main Authors: Narazaki, Tomoko, Nakamura, Itsumi, Aoki,, Kagari, Iwata, Takashi, Shiomi, Kozue, Luschi, Paolo, Suganuma, Hiroyuki, Meyer, Carl G., Matsumoto, Rui, Bost, Charles A., Handrich, Yves, Amano, Masao, Okamoto, Ryosuke, Mori, Kyoichi, Ciccione, Stephane, Bourjea, Jerome, Sato, Katsufumi
Format: Text
Language:English
Published: Cell Press
Subjects:
envir
geo
Arctocephalus gazella
Online Access:https://doi.org/10.1016/j.isci.2021.102221
https://archimer.ifremer.fr/doc/00685/79664/82429.pdf
https://archimer.ifremer.fr/doc/00685/79664/82430.pdf
https://archimer.ifremer.fr/doc/00685/79664/
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Summary:Advances in biologging technology have enabled 3D dead-reckoning reconstruction of marine animal movements at spatiotemporal scales of meters and seconds. Examining high-resolution 3D movements of sharks (Galeocerdo cuvier, N = 4; Rhincodon typus, N = 1), sea turtles (Chelonia mydas, N = 3), penguins (Aptenodytes patagonicus, N = 6), and marine mammals (Arctocephalus gazella, N = 4; Ziphius cavirostris, N = 1), we report the discovery of circling events where animals consecutively circled more than twice at relatively constant angular speeds. Similar circling behaviors were observed across a wide variety of marine megafauna, suggesting these behaviors might serve several similar purposes across taxa including foraging, social interactions, and navigation.

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