Voyage to the Galapagos
Part of the Scientific American Frontiers series. Alan Alda follows in Charles Darwin's footsteps, meeting the animals and birds that inspired Darwin's theory of evolution. Alda joins scientists who witness the daily struggle for survival that has shaped the Galapagos Islands' unique wildlife. As he experiences the enchantment of the islands, he learns of efforts to protect them from alien invaders, including the eco-tourists who visit every year.