An egret forages at a wetland in Wanning, south China’s Hainan Province, last month.

HAIKOU, Jan. 15, 2021 — A little egret forages at a wetland in Wanning, south China’s Hainan Province, Jan. 15, 2021.
TO GO WITH “Across China: Swamps, surveys and endangered species: the barefoot bird-watchers of Hainan” (Photo by Pu Xiaoxu/Xinhua via Getty) (Xinhua/Pu Xiaoxu via Getty Images)