The Chilean National Zoo (Zoológico Nacional de Chile) is a 4.8-hectare (12-acre) zoo that was founded in 1925 in Santiago, Chile. Located at the foot of San Cristóbal Hill in what is known as the Santiago Metropolitan Park (Parque Metropolitano de Santiago), the zoo is home to thousands of animals representing 158 species. Unique exhibits feature Chilean native animals and birds including rare and endangered species.