5.

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Across
  1. 2. Razor-billed Atlantic bird
  2. 3. Atlantic bird
  3. 6. Obvious, or scowling
  4. 10. North Atlantic birds
Down
  1. 1. 'Atlantic City' director Louis
  2. 4. 1492 Atlantic crosser
  3. 5. Easy if upset to cry or glower
  4. 7. Frown or scowl
  5. 8. "Island" on the Atlantic Coast
  6. 9. 2nd largest Atlantic coast city