Capture the Flag Birthday

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Across
  1. 2. I undergo a metamorphosis in a chrysalis.
  2. 3. I have eight "legs" for swimming.
  3. 4. I move very slowly.
  4. 7. This reptile has no feet.
  5. 9. I am a flying insect that twinkles in the night.
Down
  1. 1. This ancient reptile is known for his toothy smile.
  2. 2. What is the largest animal on Earth?
  3. 5. I am king of the jungle.
  4. 6. This animal has a very long neck
  5. 8. I am a cuddly, tree hanging marsupial.