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Nature
Saving Otter 501: Otter 501 Back in the Wild
Toola has taught 501 how to be an otter, and now it is time for them to be separated, forever. The aquarium team decides to release 501 back in the wild.
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53:56
Horseshoe crab numbers drop as their use as bait by the fishing industry increases.
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52:58
The explosion of dog types into the roughly 400 breeds and dogs' role in medical care.
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52:59
This film explores how the domestication of dogs might have taken place.
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52:59
No spider can escape the tireless pursuit of Martin Nicholas.