A photo of a pretty silvereye taken near Yongding River in Beijing, China. (Photo: CFP)

A brambling, a kind of migratory bird often seen in very large flocks, is seen by the Yongding River in Beijing, China. (Photo: CFP)

A long-tailed shrike is seen standing on a branch near Yongding River in Beijing, China. (Photo: CFP)

A group of common moorhen seen near Yongding River in Beijing, China. (Photo: CFP)