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2:46
The wild Garrano horses in Portugal's Peneda-Gerês National Park are not newcomers.

2:22
One of the most endangered mammals fights for survival: Meditteranean Monk Seals.

1:25
A fox considers his options: facing forty ravenous vultures or going hungry.

2:06
The sardine run is the largest biomass migration on the planet.

3:02
The predator of all predators arrives at the feast.

2:00
The caribou migration is a veritable feast for grizzly bears if the bears can catch them.

2:57
Each small sandpiper must harvest up to 20,000 shrimp while avoiding the falcon.

2:34
As thousands of belugas arrive, these two polar bears are eager to hunt.

2:14
Dolphins are the keystone heroes of the sardine run.

2:52
A polar bear mother and her cubs search for scraps during a too-hot summer.

2:16
Cameraman Vianet Djenguet captures the face of the forest's 500-pound silverback.

2:01
Like the cartoon, the real roadrunner is clever -- and also a hunter.