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Article History

Received: 23 July 2021

Revised: 26 October 2021

Accepted: 27 October 2021

First Online: 20 December 2021

Declarations

:

: The authors declare no competing interests.

: No animal testing was performed during this study.

: All necessary permits for accessing the study site and conducting observational field studies have been obtained by the authors from the competent authorities and are mentioned in the “Acknowledgements” section.

: Data sharing is not applicable to this article as no datasets were generated or analyzed during the current study.

: The permit for accessing the highly restricted Taiping Island was made possible by C-Y Ko, G-C Jiang, M-S Jeng, and C A Chen. Field observation was conducted by C-Y Kuo, M-J Ho, W K Heng, Y-Y Huang, and M-S Jeng. Main images and the supplementary video were edited by C-Y Kuo. The first draft was written by C A Chen and C-Y Kuo. All co-authors discussed the observation, commented on the draft, and approved the final manuscript.