Narwhal on a Sunny Night

123456789101112
Across
  1. 3. The world's largest island
  2. 4. An icy region at the northern tip of the world
  3. 7. Sailors and explorers from northern Europe
  4. 9. The location of objects by hearing reflected sound
  5. 10. Layers of fat trapping heat to keep animals warm
  6. 12. Baby whales
Down
  1. 1. A mythical horse with a horn on the forehead
  2. 2. A group of people from Greenland, Canada, & Alaska
  3. 5. A long pointed tooth
  4. 6. The only whales that have one spiraled tusk
  5. 8. Massive chunks of ice broken from glaciers
  6. 11. Special filters in whales' mouths that catch food