Flightless goslings to jump straight down a sheer, 150-foot rock face.
The great gray owl spots his prey and snatches him up!
Marlin and Stan rope a grizzly, not expecting the bear to break loose!
A baby elephant seal loses its mom, and will have a very tough time surviving.
A pair of lions invite themselves to a feast.
The young Elephant seals are now weaned and ready to play.
Saba Douglas-Hamilton lingers too long in rhino country.
A tiger shark helps scientists solve mysteries about its behavior.
Every manta ray has a unique design on its underbelly forming a "fingerprint."
Where do manta rays go when they leave the reefs of Mozambique?
A snow leopard takes full advantage of its camouflage in the mountains.
David Reichert is certain the orcas are communicating with him.
The orcas here come close to the beach. Could they take a bite out of David?
Without the protection of his family, will the calf become prey to the sharks?
When this diver moves in, the shark adopts a defensive posture.
Download the TV Guide app for iPhone, iPad and Android!