1. School of Marine Sciences Zhuhai Key Laboratory of Marine Bioresources and Environment Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering Southern Marine Science and Engineering Guangdong Laboratory Sun Yat‐Sen University Zhuhai China
2. Division of Cetacean Ecology Cetacea Research Institute Lantau Hong Kong SAR China
3. Marine Mammal and Marine Bioacoustics Laboratory Institute of Deep‐sea Science and Engineering Chinese Academy of Sciences Sanya China
4. School of Biological Sciences University of Hong Kong Pokfulam Hong Kong SAR China
5. State Key Laboratory of Marine Pollution City University of Hong Kong Hong Kong SAR China