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Nature
Mother Hippo Protects Calf from Lions and Crocodiles
A newborn hippo draws unwanted attention from predators like crocodiles and lions. His brave mother is well aware of these threats and keeps him close.
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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.
