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Nature
Ferrets: Animals in Liquid Form
One species of mustelid is particularly adept at maneuvers below the ground - the ferret. Ferrets hunt in tight and twisty burrows, bending their bodies up to 180 degrees, both vertically and horizontally.
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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.
