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Scientists confirm existence of 'mythical' salamander along Gulf Coast

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At 68 years old, Wisdom the Laysan albatross lays another egg

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Exuberant digging dog unearths 13,000-year-old woolly mammoth tooth

Humans step in to translate for little blue penguin at Christchurch beach

Ecologists share their passion for nature in these winning images

What we can learn about longevity from Lonesome George

Fans mourn famed Yellowstone wolf killed by trophy hunter

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