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Nature
Saguaro: Sentinel of the Desert
Season 5
Episode 413
Undisturbed the saguaro cactus can grow to 60 feet, weigh 10 tons and live 150 years.
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55:16
Celebrate spring in this live event broadcast from iconic locations across North America.
53:29
Join Sir David Attenborough as he uncovers a new species of Ichthyosaur.
52:58
Discover how cats first crossed from Asia into North America and became the top predators.
53:29
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.
