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Nature
The Mystery of Eels
Season 31
Episode 10
Eels can be found all over the globe, in fresh and salt water ecosystems alike. But today, risk of over-fishing and the presence of dams and other obstacles that prevent eels from reaching their oceanic spawning grounds pose new threats to an animal that once roamed the planet alongside the dinosaurs. Artist, writer, and naturalist James Prosek explores the mysterious world of the eel.
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Follow a female mountain lion in the Montana mountains over the course of a decade.
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See how the Arctic’s most enigmatic animals are coping as the sea ice melts.