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16 famous animal conservationists

Sir David Attenborough holding a butterfly

Photo: Cate Gillon/Getty Images

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Sir David Attenborough

Anyone who has ever watched a nature program will most likely recognize this British naturalist's amazing voice. More recently, he narrated the groundbreaking nature documentary series "Planet Earth" and co-wrote and narrated "Life."

Working towards the conservation of many species as well as the rain forest, Attenborough is also the president of the Butterfly Conservation, which was headed by fellow conservationist Ser Peter Scott.