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Nature
The Biggest Threat to Bighorn Sheep
Bighorn sheep are quickly depleting in number due to a fatal bacteria that spreads like wildfire among herds. Discover the cause of this epidemic that is threatening this icon of the American west.
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53:08
Patrick Dykstra has a life-changing encounter with a sperm whale and uncovers their world.
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53:03
Sir David Attenborough and experts unearth the fossil of the largest Jurassic predator.
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53:18
Get an intimate look at a silverback family in Gabon’s Loango National Park.
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53:18
A Madagascan chameleon and a Scottish water vole travel to secure their bloodline.
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53:18
A Taiwanese Pangolin and a Brazilian Lion Tamarin family travel to a strange new world.
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53:18
A baby turtle in Canada and a young bushbaby in South Africa search for a safe new home.
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53:25
Spy creatures showcase the challenges of ocean life.
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53:25
Spy creatures uncover surprising undersea relationships.
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53:25
Spy creatures explore animal emotions and the deep feelings we share.
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53:25
Spy creatures reveal an ocean full of startling ways of thinking.
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53:18
A Tasmanian man befriends a platypus while protecting the species from urban development.