Table 2 Samples used in this study.

Cetacea

Odontoceti

Delphinoidea

Delphinidae

Tursiops aduncus

Indo-Pacific

Dongshan, Fujian

bottlenose dolphin

Province, China

Tursiops truncatus

Common bottlenose

Polar and Oceanic

dolphin

Park, Shandong

Province, China

Delphinus capensis

Long-beaked

Leqing, Zhejiang

common dolphin

Province, China

Stenella coeruleoalba

Striped dolphin

Dongshan, Fujian

Province, China

Stenella attenuata

Pantropical spotted

Dongshan, Fujian

dolphin

Province, China

Sousa chinensis

Indo-Pacific

Xiamen, Fujian

humpbacked dolphin

Province, China

Grampus griseus

Risso's dolphin

Dongshan, Fujian

Province, China

Monodontidae

Delphinapterus leucas

Beluga, white whale

Polar and Oceanic

Park, Shandong

Province, China

Phocoenidae

Nephocaena phocaenoides

Finless porpoise

Nanjing, Jiangsu

Province, China

Lipotidea

Lipotidae

Lipotes vexillifer

Yangtze river

Jiangyin, Jiangsu

dolphin

Province, China

Platanistoidea

Platanistidae

Platanista gangetica

South Asian river

dolphin

Ziphioidea

Ziphiidae

Mesoplodon ginkgodens

Ginkgo-toothed beaked whale

Lvsi, Jiangsu

Province, China

Physeteroidea

Kogiidae

Kogia sima

Dwarf sperm whale

Xiamen, Fujian

Province, China

Mysticeti

Balaenopteridae

Balaenoptera acutorostrata

Common minke whale

Zhoushan, Zhejiang

Province, China

Balaenoptera omurai

Omura's whale

Weizhou Iland, Bei hai,

Guangxi Province, China

Artiodactyla

Hippopotamidae

Hippopotamus amphibius

Hippopotamus

Shanghai zoo, Shanghai

Province, China