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Gray whale migration map
May: Moms and Babies Head North
In May, most of the mothers have started the long journey north with their calves. They travel close to the coast where waters are shallower, and safer from orca predators. More...

Spyhopping gray whale

  Adrienne DeLiso, Baja EcoTours
  Gray whales make one of the longest migrations of any mammal on earth. Every year they swim over 10,000 miles roundtrip between Mexico's nursery lagoons and feeding grounds in the Arctic. The changing seasons drive the endless travels. Glimpse into the mysterious world of these gentle giants. What can gray whales teach us about survival?