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2:44
It was once believed that walruses dug for clams with their tusks, but the truth is even stranger.
3:04
Dipper chicks are ready to fledge but a storm transforms the river into a raging torrent.
2:59
Capercaillies have an intimate relationship with the Scots Pine.
3:17
A mother mountain lion risks her life to feed her six kittens.
2:54
Mountain lions risk everything to hunt elk, prey more than twice their size.
2:42
Discover how rapidly declining sea ice is reshaping the future for walruses.
2:22
Ecologist Rodrigo Medellin captured a moment never filmed before.
9:01
The aquarium team decides to release 501 back in the wild.
3:36
A professor takes inspiration from squirrel movement and acrobatics for robotic technology
2:33
Solitaria, a mother puma, is on the move to hunt prey with her cubs close by.
2:35
For a tiny bush baby, danger lurks around every corner in this forest.
3:12
Who rules the streets -- and skies -- of the city?
