Overview

For thousands of years, the Great Plains were home to countless numbers of American bison, but in the late 1800s, the number of bison dropped from nearly 30 million to just a few hundred in less than 100 years. What happened to place this national icon on the brink of extinction? Join us as we detail the events that led to this mass extermination. Then follow the story of William Temple Hornaday, a chief taxidermist at the Smithsonian Institution who headed west to hunt bison for the museum, but ended up saving the species instead.

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Join a fearless team of shark experts using a 29-foot whale decoy to start a massive feeding frenzy to uncover dominant "Queen Boss" females.

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In New Zealand, shark experts simulate epic battles between great whites and 60-foot leviathan, studying orca tactics to find the ultimate predator.

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Paul de Gelder investigates a recent spike in shark attacks in Sydney Harbor, returning to the location where a bull shark nearly took his own life.

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Shark experts Dr. Riley Elliot and Kori Burkhardt conduct a one-of-a-kind shark competition to determine which male great white is the alpha in the pack. To see who has the most swagger, they test the sharks' speed, hunting ability and fearlessness.

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Narrated by Academy Award winners Sissy Spacek and Herbie Hancock, River of Gold is the disturbing account of a clandestine journey into Peru's Amazon rainforest to uncover the savage unraveling of pristine jungle. What will be the fate of this critical region of priceless biodiversity as these extraordinarily beautiful forests are turned into a hellish wasteland?

Overview

This films reveals the extraordinary variety of life found in the vast blue expanses of the
open ocean. Here, all the action takes place in a 10 metre deep band of water, just under the surface. Many species use this section of water to migrate and hunt while others use ingenious ways to stay hidden where there appears to be no shelter.

Overview

Overview

A short documentary where we learn about the endangered lemurs, owls and otters from the Knockhatch Conservation staff.