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Nature
Watch a Protective Mother Hippo Guard Her Baby
Weighing only 4% as much as an adult, a baby hippo is completely dependent on its mother. The pair stays isolated from the rest of the pod, allowing the calf to imprint on his mother and for the two to forge a vital bond.
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55:16
Celebrate spring in this live event broadcast from iconic locations across North America.
52:58
Discover how cats first crossed from Asia into North America and became the top predators.
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Discover how the first cats arose in the forests of Asia and later came to conquer Africa.
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52:55
Animals congregate in huge colonies partly out of necessity and partly for the security.
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52:55
Finding a good base of operations is key to successfully raising a family.
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52:55
The first in a three-part series about how animals build their remarkable homes.
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52:58
A biologist crosses the species divide and becomes part of a wild mule deer family.
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Zebras embark on a mass migration from the saltpans of Botswana in search of water.