Funding for this research was provided by:
Institute of Cetacean Research
Received: 4 March 2020
Revised: 22 January 2021
Accepted: 27 January 2021
First Online: 22 February 2021
Compliance with ethical standards
: The authors declare that they have no conflicts of interest.
: This study involved lethal sampling of Antarctic minke whales, which was conducted with the special permit issued by the Government of Japan in accordance with Article VIII of the International Convention for the Regulation of Whaling. The scientific rationale and needs for this lethal sampling are provided in the research program (Government of Japan CitationRef removed).
: All whales were sampled under the International Convention for the Regulation of Whaling. No commercial affiliation exists that would influence experimental design, sampling, and data analysis. No funding was received from any commercial sources.