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Gray whale migration map
April: Leaving Lagoons
By April, most adults and older juveniles are heading north from the warm wintering lagoons in Mexico. More...

  Caroline Armon, 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?