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Nature
The clever way the tiniest bird warms her nest
This little goldcrest may not be big enough to cover all her eggs, but thanks to a unique technique she can still keep them warm. The secret to her success can only be revealed through thermal cameras and has been caught on film for the very first time.
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52:58
Zebras embark on a mass migration from the saltpans of Botswana in search of water.
52:59
The mysterious eel is found all over the globe, in fresh and salt water ecosystems alike.
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53:10
Ecologist Chris Morgan embarks on a challenge to find and film a wild Siberian tiger.
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58:51
One man's remarkable experience of raising a group of wild turkey hatchlings to adulthood.
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52:59
Scientists aim to change the public perception of one of Africa's most dangerous snakes.
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53:10
Florida's Everglades National Park is home to a growing number of Burmese pythons.
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53:10
In Yellowstone National Park, two predators reign supreme: the grizzly bear and the wolf.