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https://hdl.handle.net/20.500.14094/90008265
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2024-03-29
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90008265 (fulltext)
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メタデータID
90008265
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open access
出版タイプ
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タイトル
Using an omnidirectional video logger to observe the underwater life of marine animals: Humpback whale resting behaviour
著者
Iwata, Takashi ; Biuw, Martin ; Aoki, Kagari ; Miller, O’Malley James Patrick ; Sato, Katsufumi
著者名
Iwata, Takashi
著者名
Biuw, Martin
著者名
Aoki, Kagari
著者名
Miller, O’Malley James Patrick
著者名
Sato, Katsufumi
収録物名
Behavioural Processes
巻(号)
186
ページ
104369
出版者
Elsevier
刊行日
2021-05
公開日
2021-05-14
抄録
Animal-borne video loggers are powerful tools for investigating animal behaviour because they directly record immediate and extended peripheral animal activities; however, typical video loggers capture only a limited area on one side of an animal being monitored owing to their narrow field of view. Here, we investigated the resting behaviour of humpback whales using an animal-borne omnidirectional video camera combined with a behavioural data logger. In the video logger footage, two non-tagged resting individuals, which did not spread their flippers or move their flukes, were observed above a tagged animal, representing an apparent bout of group resting. During the video logger recording, the swim speed was relatively slow (0.75 m s−1), and the tagged animal made only a few strokes of very low amplitude during drift diving. We report the drift dives as resting behaviour specific to baleen whales as same as seals, sperm whales and loggerhead turtles. Overall, our study shows that an omnidirectional video logger is a valuable tool for interpreting animal ecology with improved accuracy owing to its ability to record a wide field of view.
キーワード
Bio-logging
Drift diving
Humpback whale
Omnidirectional video
Resting behaviour
カテゴリ
学術雑誌論文
権利
© 2021 The Authors. Published by Elsevier B.V.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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資源タイプ
journal article
言語
English (英語)
ISSN
0376-6357
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関連情報
DOI
https://doi.org/10.1016/j.beproc.2021.104369
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