The Yellow River Delta National Nature Reserve in Shandong province has become an attractive home for migratory birds. [Photo by Yang Bin/For chinadaily.com.cn]

The Yellow River Delta National Nature Reserve in Dongying, Shandong province, presents striking views as Suaeda salsa, a kind of sea grass that is spread across the shoals of the estuary, turn red, adding vibrant color this time of year.

The reserve, located in the Yellow River estuary, covers about 153,000 hectares, with wetlands making up more that 70 percent of the total.

Thanks to more than two decades of wetland restoration and protection efforts, the reserve has become a major wintering and stopover site for migratory birds.

Suaeda salsa, a kind of sea grass that is spread over the shoals in the Yellow River estuary, turns red this time of year, adding vibrant color to the Yellow River Delta National Nature Reserve. [Photo by Yang Bin/For chinadaily.com.cn]

The Yellow River Delta National Nature Reserve in Dongying, Shandong province, is located in the Yellow River estuary, with wetland making up more than 70 percent of the total area. [Photo by Yang Bin/For chinadaily.com.cn]

The Yellow River Delta National Nature Reserve in Shandong province has become an attractive home for migratory birds. [Photo by Yang Bin/For chinadaily.com.cn]

The Yellow River Delta National Nature Reserve in Shandong province has become an attractive home for migratory birds. [Photo by Yang Bin/For chinadaily.com.cn]