Monte León National Park is located in the south of the Province of Santa Cruz and covers an area of about 630 km2 of Atlantic marine coast. The beaches, ravines and coastal terraces are used by numerous species of coastal marine fauna, including 6 species of marine mammals and 20 species of seabirds. Of these, 7 species have known breeding colonies in the park: the Magellanic penguin, the rock cormorant, the imperial cormorant, the gray cormorant, the southern gull, the kelp gull, and the South American tern. The bird colonies and colonies located in Pico Quebrado (where between 500 and 1000 pairs of imperial cormorants nest, about 100 pairs of rock cormorants, and where the most important breeding colony of the Monte León fur seal is located), Rincón del Buque (nesting sites of rock and imperial cormorants and South American terns), Rincón del Buque (nesting sites of rock and imperial cormorants and South American terns), Monte León (nesting site for the rock shag), Monte León Beach (where a Magellanic penguin colony is located) and the Cuevas de Monte León sector (5 km south of Monte León, where there are nesting sites for the gray cormorant, rock shag, and South American tern).