Bearded bird in Gansu wetland

A bearded reedling perches precariously on a reed at Zhangye National Wetland Park in the Ganzhou district of Zhangye in northwest China's Gansu Province, on Dec. 18, 2021. These fluffy palm-sized birds that inhabit wetlands are experts at performing the splits on thin reeds to stay balanced. [Photo: CNSPHOTO]

A bearded reedling perches precariously on a reed at Zhangye National Wetland Park in the Ganzhou district of Zhangye in northwest China's Gansu Province, on Dec. 18, 2021. These fluffy palm-sized birds that inhabit wetlands are experts at performing the splits on thin reeds to stay balanced. [Photo: CNSPHOTO]

A bearded reedling perches precariously on a reed at Zhangye National Wetland Park in the Ganzhou district of Zhangye in northwest China's Gansu Province, on Dec. 18, 2021. These fluffy palm-sized birds that inhabit wetlands are experts at performing the splits on thin reeds to stay balanced. [Photo: CNSPHOTO]

A bearded reedling perches precariously on a reed at Zhangye National Wetland Park in the Ganzhou district of Zhangye in northwest China's Gansu Province, on Dec. 18, 2021. These fluffy palm-sized birds that inhabit wetlands are experts at performing the splits on thin reeds to stay balanced. [Photo: CNSPHOTO]