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Discover the wildlife of Transylvania, a mysterious region hiding some of Europe’s last wilderness.

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Experience San Diego, where dazzling biodiversity thrives amidst a transformed urban landscape.

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Follow three orphaned desert lion cubs as they navigate the brutal Skeleton Coast of Namibia.

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An intimate portrait of Sir David Attenborough’s life and career in natural history.

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Hummingbirds can lap up all of a flower's nectar in seconds. Here's how they do it.

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Timelapse: scientists reconstruct a complete titanosaur skeleton.

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See how Hugo tracked a moose mother and her calf through 4000 square miles of wilderness.

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The California ground squirrel uses the skin of a major predator to hide in plain sight.

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A group of monkeys in Indonesia steal tourists' belongings and ransom them for food.

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An abandoned fawn is taken in by a Great Dane.

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A 45-year-old female Aldabra tortoise was chosen by an unusual suitor: a male Brant goose.

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Filmmaker Sooyong Park photographs a Siberian tiger on a cliff overlooking the Pacific.