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Alaska: Earth's Frozen Kingdom Spring Clips

  1. Web exclusive: Anan Creek bears

    Duration: 03:56

  2. Sea otter pup

    Duration: 01:11

  3. Alaskan black bear cubs

    Duration: 02:27

  4. Web exclusive: A scourge of mosquitoes

    Duration: 00:30

  5. Sperm whales and fishing boats

    Duration: 02:05