Something strange is happening to elephant seals along California's coast. Each year, half of the seal pups disappear, and what happens to them is a mystery.

Have these creatures become powerful magnets for predators? Wild Chronicles and National Geographic's Crittercam® dive beneath the waves to solve this mysterious case.

  1. How many elephant seal pups survive their first year at sea?

  2. What animal is the main predator of elephant seals in California?

  3. How does Peter, the shark expert, track great white sharks?

  4. What behaviors do elephant seals use to avoid sharks?

  5. Why do great white sharks prey on elephant seal pups?


edge of land along the sea or other large body of water.


camera designed to be worn on a wild animal, providing a "critter-eye view" of the animal's environment.

elephant seal

marine mammal native to parts of the Atlantic, Pacific and Indian oceans.


animal that hunts other animals for food.


moving swell on the surface of water.