Humedal el Yali. 02/12/96; Región V; 520 ha; 33°50'S 071°38'W. National Reserve. The most important wetlands in central and northern Chile due to their richness in species and abundance of aquatic birdlife. The site provides important feeding, nesting and refuge areas for numerous species of migratory birds. A total of 115 species of birds (including threatened, vulnerable or rare species), representing approximately 25% of all birdlife found in Chile, frequent the site. The area consists of the El Yali marsh, several brackish lakes, and two artificial saltmarshes.