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Nature
This Bird Is Evolving Right in Front of Us
In the early 2000s, an invasive snail species took over these Florida wetlands. These invasive snails were too big for many of Florida's snail kites to consume, so many birds vanished. But ten years later, these birds have made an unbelievable recovery.
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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.
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54:19
It's one of the most brutal environments on Earth - so how does life carry on here?