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  • NARRATOR: Ice melts, cracks, and pulls away from the mainland.

  • The water is still a bone-chilling 35 degrees,

  • cold enough to freeze a human in a matter of minutes,

  • but perfect for young polar bears out with their mom.

  • For most of the year, their world is ice.

  • Open water is a novelty, which is why what you're about to see

  • is so rare.

  • These two practice a type of swimming usually

  • seen in underwater mammals.

  • It's called porpoising.

  • [folk music]

  • [bears roaring]

  • Polar bears live on an opposite schedule

  • to other animals in Alaska.

  • Winter is when they hunt on the ice and eat.

  • Summer melts their ice.

  • They have no choice but to fast.

  • They swim and laze in the sun with empty bellies.

NARRATOR: Ice melts, cracks, and pulls away from the mainland.

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B1 US polar practice novelty folk roaring chilling

Polar Bears Practice ”porpoising”

Video vocabulary