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1:45
Usually, elephants and hippos stay out of each other's way.

3:38
Go behind the scenes of "Hippo King."

3:04
The wildebeest migration across the river has become a premier attraction in Kenya.

2:59
As the wildebeest herd moves north, it faces a human threat.

2:26
Mark Carroll takes us up in a crane to show how he captured acorn woodpeckers.

2:15
Filmmakers Ann Prum and Mark Carroll traveled to Poland to film an elusive woodpecker.

2:59
Capercaillies have an intimate relationship with the Scots Pine.

3:04
Dipper chicks are ready to fledge but a storm transforms the river into a raging torrent.

1:58
At the height of breeding season, a band stallion fends off bachelor stallions.

2:01
For the Nez Perce tribe, gathering with the Appaloosa herd is a chance to honor tradition.

6:01
Everyone has heard of honeybees, but what about the other 4,000 species of wild bees?

2:32
Wild dog Teardrop makes a full recovery from a gunshot wound with the support of her pack.