53:56

Nature
Crash: A Tale of Two Species
Horseshoe crab numbers drop as their use as bait by the fishing industry increases.
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NATURE brings the beauty and wonder of the natural world into your home, becoming in the process the benchmark for natural history programs.

What Males Will Do
Season 26 Episode 10 | 53m 35s | CC
Examines the unique behaviors of males in the animal kingdom and the complex nature of courtship.
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