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Nature
Finding the Elusive White-Tipped Sicklebill
The white-tipped sicklebill is one of Costa Rica's most elusive hummingbirds. Filmmakers turned to Costa Rican expert Anthony Jimenez to help them locate and film the bird.
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Horseshoe crab numbers drop as their use as bait by the fishing industry increases.
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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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No spider can escape the tireless pursuit of Martin Nicholas.