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Nature
What’s this bristly-looking pig?
Watch this family of collared peccaries at their favorite muddy wallow in the Amazon rainforest. It's a drinking space they've tailor-made with their relentless snuffling and plodding of the wet soil, stopping any new trees from growing.
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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.
