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In the heart of the Valdees Peninsula in Patagonia, whales are regularly hunted by a predator whose diminutive size hides its gruesome intentions; the seagull forces whales to dive deep into the depths, away from essential oxygen and light.

Sea Hunters

Whales vs. Gulls

Under the burning sun of Cape Cross, large colonies of seals gather on Namibia's Skeleton Coast; the males patrol the territory to protect their females and young; new predators are coming from the land, forcing them to learn new defense behaviors.

Seals vs. Hyenas

Cape Gannets are tough hunters flying over the coasts for their favorite prey: shoals of sardines.

Dolphins and Gannets

In the depths of the ocean, swift and agile sea lions perform incredible underwater maneuvers to outwit their enemies; on the beaches of Patagonia, as a sea lion pup learns to swim, predators are preparing an attack on him that will be fatal.

Sea Lions vs. Orcas

Marine biologists Eve Jourdain and Richard Kaoliussen have spent two years studying the orcas in Norway, where they have adapted the carousel technique to their habitat.

Orcas vs. Humpback

Every spring in Norway, the whales use a clever hunting technique called "bubble feeding" to catch quantities of herring; when they spot a shoal of herrings, they begin to encircle the herring.

Humpback Gang

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S1 E4 | Dolphins and Gannets