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Arctic Icebound Chronicles of Seel
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Biological sonar not typically used by seals but by odontocetes
  • 2. Aquatic mammals often confused with pinnipeds, like whales
  • 3. Earth's frozen water realms where Seel-like species dwell
  • 5. Process to maintain internal temperature against external chill
  • 6. Oceanic zone between 200 and 1000 meters depth
  • 7. Organism type capable of internal heat production
  • 13. Modified limbs aiding in aquatic propulsion
  • 16. Referring to the ecological region at the lowest level of a body of water
Down
  • 4. Behavior where seals leave water to rest on land or ice
  • 8. Network of separated animal populations with occasional interactions
  • 9. Scientific family name for true earless seals
  • 10. Diving reflex causing slowed heart rate in seals
  • 11. Reproductive mode producing live young, typical in seals
  • 12. Translucent third eyelid protecting seals underwater
  • 14. Marine mammals with fin-like limbs, including seals and walruses
  • 15. Thick insulating layer essential for cold-water survival
  • 17. Annual shedding of skin and fur by pinnipeds

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