The reason was that this area constitutes a representative sample of the patagonic coast in good state of conservation, with paleontological value places.
A 60.000 penguin's colony lives in PN Monte León (Monte León National Park).
The approximately surface of the area is 61.700 hectares. The Administración de Parques Nacionales have incorporated this region as an equivalent area of the Argentino Sea, so that it is the first continental coast's national park.
Read also: Jaramillo Petrified Forest.These caves disseminated near Monte León give shelter to colonies of sea birds and mammals, which search for places like this one to mate and breed their offsprings.
There are Imperial and Rock Cormorants, Seagulls, Black Oyster Catchers and Biguaes among other species.