Located in the transition zone between the arid steppe of Argentine Patagonia and the temperate southern beech forests of Chilean Patagonia, Patagonia National Park encompasses an array of ecosystems including grassland, riparian forest and wetland.
Sierra de las Quijadas National Park is located in the northwestern part of the Argentine province of San Luis. It was established to protect the natural features representative of the Semiarid Chaco and Argentine Low Monte ecoregions. It is the only protected area in this transition area.
Machalilla National Park rests along Ecuador's Pacific coast. It incorporates beaches, fog forest, dry forest, small islands and two larger islands, Salango and Isla de la Plata. Many of the large mammals in Machalilla National Park are regionally and locally endangered.
The Macizo del Cajas Biosphere Reserve contains a large number of ecosystems, ranging from high mountains to coastal and marine areas along the Pacific. It also includes El Cajas National Park, which features a tundra vegetation on a spectacular jagged landscape.
The pristine underwater environment of Malpelo Island's Fauna and Flora Sanctuary, off Colombia's Pacific coast, features dramatic cliffs, rock formations, caves and tunnels resulting in striking natural beauty. This vast marine park provides a critical habitat for threatened marine species.
Manú National Park is a world-renowned haven of biodiversity, at the meeting point of the Tropical Andes and the Amazon Basin, in southwestern Peru. As a vast, geographically and economically isolated watershed, the still roadless property has been spared from most human impacts.
The Mar Chiquito Biosphere Reserve consists of the 'Parque Atlántico Mar Chiquita,' situated in the Chaco savanna region just north of Mar de Plata. The delta marshes are extremely important for a large variety of waterfowl.
The Mata Atlântica Biosphere Reserve is the pioneer of the Brazilian biosphere reserves. It covers important portions of the Atlantic Forest in 14 Brazilian states. This unique ecosystem stretches over 1,800 miles parallel to the coast, comprising Serra Mantiqueira, Serra Geral and Serra do Mar.
Both the Mbaracayú Forest Natural Reserve and the Bosque Mbaracayú Biosphere Reserve protect a hotspot of biodiversity in the Mata Atlántica biologic corridor. It is a tropical humid forest ecosystem, which includes low and medium altitude Atlantic semi-deciduous forests and savannas.
Médanos de Coro National Park, located along the Isthmus of Médanos on the northwestern coast of Venezuela, protects part of the Paraguana xeric scrub ecoregion. It is known for its massive sand dunes, also known as Médanos.
Monte Roraima National Park is located in northern Brazil, containing plateau and montane ecosystems. It includes the Brazilian section of Mount Roraima as well as part of the Pacaraima Mountains which separate Brazil from Venezuela and Guyana.
Aconcagua Provincial Park is a protected area in the Argentinean Andes, on the Chilean border. It is home to snow-capped Mount Aconcagua, South America’s tallest peak. With a summit elevation of 22,800 ft, Aconcagua is the highest mountain in both the Southern and Western Hemispheres.