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Our planet has millions of species, including thousands of mammals, fish, birds, and reptiles, and even more butterflies, beetles, and other animals, each adapted to one of an enormous variety of habitats. The richness and diversity of life raises two of the most profound questions in biology: How do new species form? And, why are there so many species? The Origin of Species series tells the stories of the intrepid naturalists who have traveled the world, from the famed Galápagos Islands to the Malay Archipelago, in search of evidence and answers.

One disc with three films, approximately 65 minutes total duration, with English and Spanish subtitles.