Polar Animals

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Across
  1. 1. Tuxedo pattern.
  2. 3. “Unicorn of the sea”
  3. 5. No haemoglobin in blood
  4. 6. Very vocal whales.
Down
  1. 1. Transparent fur and black skin.
  2. 2. Distinct hourglass pattern on sides.
  3. 4. Bushy blanket tail.