Operation Migration

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Across
  1. 2. scientists who study living creatures
  2. 4. breaking through an egg in order to be born.
  3. 8. action performed to get attention
  4. 10. people who study nature, or who work to preserve nature
Down
  1. 1. a group of birds
  2. 3. first ever
  3. 5. high in the air
  4. 6. easily move through the air
  5. 7. airplane with a single seat that weights 115 kilograms.
  6. 9. gentle wind