A flock of wild ducks fly over a reed wetland along Tarim River in northwest China's Xinjiang Uyghur Autonomous Region. Photo:China News Service

An egret perches on a tree in northwest China's Xinjiang Uyghur Autonomous Region. Photo:China News Service

A flock of cormorants perch on a tree in northwest China's Xinjiang Uyghur Autonomous Region. Photo:China News Service

Flocks of wild ducks float on the river in northwest China's Xinjiang Uyghur Autonomous Region. Photo:China News Service

A flock of wild ducks fly over a reed wetland along Tarim River in northwest China's Xinjiang Uyghur Autonomous Region. Photo:China News Service

An egret rests with beautiful reflection in water in northwest China's Xinjiang Uyghur Autonomous Region. Photo:China News Service