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A gargantuan species of ostrich-like elephant bird from Madagascar was thought to the largest that ever lived.
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The elephant bird, along with some of Madagascar's other megafauna, went extinct around 1,000 years ago.
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Researchers have managed to record the first ever footage of one of the world's most elusive whales.
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The unique inhabitants of the Indian Ocean island Madagascar are on the verge of disappearing forever.