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Across
  1. 1. Migration autobahn
  2. 3. Big in the sky, small in the stream
  3. 5. Well known park, where birds originated
  4. 8. Common occupation for a shrike
  5. 11. Material comprising feathers
  6. 12. Modern birds are this dinosaur
  7. 14. This bird’s name shares an Arabic root word with the former prison Alcatraz
  8. 16. Different
  9. 17. Formal feather
  10. 19. Cryptobiologists would
Down
  1. 1. Geography determined by color
  2. 2. Notorious National icon
  3. 4. Inhaler instructions
  4. 6. Hollywood’s favourite eagle
  5. 7. Layman’s accipiter
  6. 9. A plant storage structure similar to a bulb, or, a social insect
  7. 10. Electric, stovetop, airborne
  8. 13. By sound, progeny of pigeon and owl
  9. 15. Birds don’t have them
  10. 18. Affixed to the avian order
  11. 20. Strong, in bander’s terms