It is the only protected natural area having land and marine territories and ecosystems.In 1991 it was declared Regional Reserve for Migratory Birds by the Western Hemisphere Shorebird Reserve Network (known today as "Wetlands for the Americas" Program). Moreover, in April 1992, it was included in the list of Internationally Important Wetlands, which are protected by the Ramsar Convention. This National Reserve is situated in the department of Ica, province of Pisco, Paracas district, over an area of 335 000 hectares (217, 594 ha are marine).It has a wide diversity of birds, including many migratory, resident, and/or endemic species. The community of birds, which is one of its main tourist attractions, is composed of shorebirds such as the sanderling (Calidris alba), the western sandpiper (Calidris mauri), the semipalmated sandpiper (Calidris pusilla), semipalmated plover (Charadrius sempalmatus), and the Chilean flamingo (Phoenicopterus chilensis)..These birds eat small organisms (benthic species) that live in the submerged or humid ground of this environment. Among the seabirds we can find the Peruvian booby (Sula variegata), the guanay cormorant (Phalacrocorax bougainvillii), the Peruvian pelican (Pelecanus thagus), the Peruvian tern (Sterna lorata), the Inca tern (Larosterna inca), the royal tern (Sterna maxima), and the elegant tern (Sterna elegans), living on small fish, mollusks, and crustaceans (pelagic organisms) that are in the superficial layers of the sea.