The Bird is the Word

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Across
  1. 3. nightjar facial feature, _____ bristles
  2. 6. In North America, there are red-winged and yellow-headed species, in South America, there yellow-winged and scarlet-headed species!
  3. 9. Symbol of wisdom or harbinger of death
  4. 10. local woodpecker whose call sounds like "waka-waka"
  5. 11. Tim Robbins' call sign in the movie "Top Gun"
  6. 12. A group of eggs incubated together
  7. 14. Avian featured on Guatemala's flag
  8. 17. The Latin name of our Northern variety means "Mimic of many tongues"
  9. 22. Burden metaphor
  10. 24. 1990s thriller "The ______ Brief"
  11. 25. Atlanta's erstwhile NHL franchise
  12. 27. complain
  13. 32. feather shaft
  14. 33. character in Last of the Mohicans, M*A*S*H*, and Marvel Comics
  15. 35. Camden Yards player
  16. 38. PAS mascot
  17. 39. type of rhapsody or waxwing
Down
  1. 1. spot-breasted warbler found east of the Rockies
  2. 2. Wing-like or wing-shaped
  3. 4. Thanksgiving entree, for meat-eaters
  4. 5. Descriptor for a flycatcher or a storm-petrel
  5. 7. They can be pied, ringed, or green; our local one is "belted"
  6. 8. Williams or Gibb
  7. 13. 1970s spy thriller "Three Days of the _____"
  8. 15. an amusing adventure or escapade
  9. 16. Genus of sparrow with the nickname "the little executioner"
  10. 17. "Mischief-making" bird, when in groups
  11. 18. Surname in a Harper Lee novel
  12. 19. birds with prominent head plumes
  13. 20. imitate
  14. 21. wading bird whose genus means "recurved bill"
  15. 22. Sixth day of Christmas genus
  16. 23. 2018 spy thriller "Red _____"
  17. 26. send food or drink down one's gullet
  18. 28. piscivorous raptor
  19. 29. Happening quickly or promptly
  20. 30. toy for a windy day
  21. 31. Hawaiian goose
  22. 34. Deity humor?
  23. 36. Bane in a Poe poem
  24. 37. According to Lenape legend, bird that brought fire to the world