Darwin’s frog, also called the Southern Darwin's frog, is a species of Chilean/Argentinian frog of the family Rhinodermatidae. It was discovered by Charles Darwin during his voyage on HMS Beagle. on a trip to Chile. In 1841, French zoologist André Marie Constant Duméril and his assistant Gabriel Bibron described and named Darwin's frog. The diet of R. darwinii consists mostly of herbivore invertebrates. R. darwinii is currently classified as an endangered species by the International Union for Conservation of Nature.

The Chilean National Zoo 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, the zoo is home to thousands of animals representing 158 species. Unique exhibits feature Chilean native animals and birds including rare and endangered species.