A flock of black-faced spoonbills are pictured at a wetland in Danzhou, south China's Hainan Province, Jan. 13, 2025.

A large number of black-faced spoonbills, an endangered waterbird under first-class national protection in China, have arrived at the wetland for wintering. In recent years, Hainan has been strengthening the protection of wetlands and birds to boost biodiversity. (Xinhua/Pu Xiaoxu)

A flock of black-faced spoonbills forage at a wetland in Danzhou, south China's Hainan Province, Jan. 13, 2025.

A large number of black-faced spoonbills, an endangered waterbird under first-class national protection in China, have arrived at the wetland for wintering. In recent years, Hainan has been strengthening the protection of wetlands and birds to boost biodiversity. (Xinhua/Pu Xiaoxu)

A flock of black-faced spoonbills fly over a wetland in Danzhou, south China's Hainan Province, Jan. 13, 2025.

A large number of black-faced spoonbills, an endangered waterbird under first-class national protection in China, have arrived at the wetland for wintering. In recent years, Hainan has been strengthening the protection of wetlands and birds to boost biodiversity. (Xinhua/Pu Xiaoxu)

A black-faced spoonbill flies at a wetland in Danzhou, south China's Hainan Province, Jan. 13, 2025.

A large number of black-faced spoonbills, an endangered waterbird under first-class national protection in China, have arrived at the wetland for wintering. In recent years, Hainan has been strengthening the protection of wetlands and birds to boost biodiversity. (Xinhua/Pu Xiaoxu)

An aerial drone photo taken on Jan. 15, 2025 shows a wetland in Danzhou, south China's Hainan Province.

A large number of black-faced spoonbills, an endangered waterbird under first-class national protection in China, have arrived at the wetland for wintering. In recent years, Hainan has been strengthening the protection of wetlands and birds to boost biodiversity. (Xinhua/Pu Xiaoxu)

An aerial drone photo taken on Jan. 15, 2025 shows planted mangroves at a wetland in Danzhou, south China's Hainan Province.

A large number of black-faced spoonbills, an endangered waterbird under first-class national protection in China, have arrived at the wetland for wintering. In recent years, Hainan has been strengthening the protection of wetlands and birds to boost biodiversity. (Xinhua/Pu Xiaoxu)

A black-faced spoonbill forages at a wetland in Danzhou, south China's Hainan Province, Jan. 13, 2025.

A large number of black-faced spoonbills, an endangered waterbird under first-class national protection in China, have arrived at the wetland for wintering. In recent years, Hainan has been strengthening the protection of wetlands and birds to boost biodiversity. (Xinhua/Pu Xiaoxu)

A flock of black-faced spoonbills forage at a wetland in Danzhou, south China's Hainan Province, Jan. 13, 2025.

A large number of black-faced spoonbills, an endangered waterbird under first-class national protection in China, have arrived at the wetland for wintering. In recent years, Hainan has been strengthening the protection of wetlands and birds to boost biodiversity. (Xinhua/Pu Xiaoxu)

Birdwatchers take photos of black-faced spoonbills at a wetland in Danzhou, south China's Hainan Province, Jan. 13, 2025.

A large number of black-faced spoonbills, an endangered waterbird under first-class national protection in China, have arrived at the wetland for wintering. In recent years, Hainan has been strengthening the protection of wetlands and birds to boost biodiversity. (Xinhua/Pu Xiaoxu)