Migrant birds seen at Juyanhai wetland, Inner Mongolia

A migrant bird is pictured at Juyanhai wetland in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, April 13, 2022. (Xinhua/Peng Yuan)

Migrant birds are pictured at Juyanhai wetland in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, April 13, 2022. (Xinhua/Peng Yuan)

Migrant birds are pictured at Juyanhai wetland in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, April 13, 2022. (Xinhua/Ren Junchuan)

Migrant birds are pictured at Juyanhai wetland in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, April 13, 2022. (Xinhua/Lian Zhen)

A migrant bird is pictured at Juyanhai wetland in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, April 13, 2022. (Xinhua/Lian Zhen)

A migrant bird is pictured at Juyanhai wetland in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, April 13, 2022. (Xinhua/Peng Yuan)

A migrant bird is pictured at Juyanhai wetland in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, April 13, 2022. (Xinhua/Peng Yuan)

A migrant bird is pictured at Juyanhai wetland in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, April 13, 2022. (Xinhua/Lian Zhen)

A migrant bird is pictured at Juyanhai wetland in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, April 13, 2022. (Xinhua/Peng Yuan)