Black-faced spoonbills rest at the shallows in Xinying mangrove national wetland park in south China's Hainan Province, March 6, 2019. According to the Hainan Zoological Society, in 2019, a total of 102 black-faced spoonbills were recorded in Hainan, which is the highest record since a wintering aquatic bird survey begun in 2003. (Xinhua/Yang Guanyu)