Chain Crosswords Long Math Medium — Set 7

Medium 13×13 Set 7
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9
Across
  1. 4. Venomous snake with fangs
  2. 5. Playful river mammal
  3. 8. Long-legged bird on rooftops
  4. 9. A word related to animals
Down
  1. 1. A word related to animals
  2. 2. A word related to animals
  3. 3. Tall wading bird with long neck
  4. 6. A word related to animals
  5. 7. Marine organism forming reefs