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Cryptic Fauna Lexicon of Zoology
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Snake with ridged ventral scales, aquatic affinity
  • 2. Monotreme mystery—duckbilled mammal’s genus
  • 3. Liver oil compound abundant in sharks
  • 6. Bird’s complex art of nest construction
  • 9. Animal lacking backbone, often marine dwelling
  • 11. Eight-armed mollusk known for ink defense
  • 13. Feeding habit favoring flesh over flora
  • 17. Cold-blooded vertebrate often dual-environmental
  • 18. Glands producing oily secretion in many animals
  • 19. Family of subterranean insectivores with high metabolism
Down
  • 4. Chemical glow emitted by deep-sea dwellers
  • 5. Biosonar technique bats and dolphins employ
  • 7. Defensive resemblance often deceptive in nature
  • 8. Animals subsisting chiefly on fish diets
  • 10. Subfamily including many advanced ant species
  • 12. Asymmetric tail common in sharks and sturgeons
  • 14. Hard-shelled aquatic arthropod like a crab
  • 15. Branch studying feathers with avian rigor
  • 16. Pouched mammal with a unique nursery
  • 20. Fish migrating upstream to spawn, e.g. salmon

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