Dart Frogs

South America - the most species-rich continent on earth. From the bone-dry deserts of the Atacama, where penguins weave their way through a minefield of snapping sea lions, to the lush cloud forests of the Andes, where Andean bears scale 30-metre trees in search of elusive fruits, South America is full of the unusual and ingenious.

David Attenborough narrates a look at life on each of the seven continents, revealing how each distinct land mass has shaped the creatures found there and the many challenges faced by animals in a modern world dominated by humans.

One of the world's top wildlife photographers, Cyril Ruoso, is partnered up with a scientific journalist for an adventurous journey through three of the most extreme ecosystems on our planet, the impenetrable rainforest of the Amazon, the sky scraping glaciers of the Andes, and the desert plains of the Pacific Coast of Peru. During their search for rare and uncommon species, they meet with scientists and discover what links all three ecosystems together. Finally, they understand the need to preserve them when climate change and human activity are threatening their very existence.