Saunders's gull, Chinese black-headed gull (Chroicocephalus saundersi)

Chroicocephalus saundersi is a species in the Chroicocephalus genus. It is commonly known as Saunders's gull, Chinese black-headed gull This name is unplaced name for the species in the family Laridae subfamily Larinae, . . This species is found in China, Hong Kong, Japan, North Korea, South Korea, Macau, Russia, Taiwan, and Vietnam..