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10:57
Follow researcher Maggie Hirschauer as she learns about the monarchs in western Montana.
2:03
This loggerhead sea turtle's footage brings new insights into their secret world.
2:28
African penguins have adapted to the modern world, including a dangerous commute.
2:47
Mating in a suit of armor isn’t easy.
2:28
A monkey-eating Harpy Eagle, 15 times the weight of a Lion Tamarin, circles a family.
7:29
The filmmakers work with conservationists to follow the journeys of endangered animals.
3:01
Several weeks have passed since the birth of the baby gorilla.
2:12
As their population expands, some states feel grizzlies should no longer be protected.
2:16
Cameraman Vianet Djenguet captures the face of the forest's 500-pound silverback.
3:03
Who would win in a fight: the Tyrannosaurus Rex or the Pliosaur?
3:02
Sir David Attenborough uncovers the secrets of the pliosaur, a monstrous marine predator.
1:41
Can you imagine being surrounded by whales?
