Relict gulls are flying in Shenmu, Shaanxi province. [Photo/Xinhua]
XI'AN -- Authorities have built 43 national wetland parks in Northwest China's Shaanxi province, of which 26 have passed the national evaluation, according to the provincial forestry bureau.
Shaanxi sits between the Yangtze River and the Yellow River and has a variety of wetlands. The province has 308,500 hectares of large-scale wetlands, accounting for 1.5 percent of the total area of Shaanxi.
Various water birds thrive on the wetlands, including many under national protection.