BRAHMINY KITE — Coastal flight & scavenging

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Across
  1. 1. Rarely found far from shorelines (7)
  2. 3. Bird of prey classification (6)
  3. 4. Marine environment it is closely tied to (9)
  4. 6. Brief suspension in air while searching below (5)
  5. 10. Constant scanning for feeding opportunities (9)
  6. 11. Climate zone across much of its range (8)
  7. 12. Rich brown body colouring (8)
  8. 13. Intertidal habitat frequently used for hunting (8)
  9. 16. Flight style using thermal updrafts (7)
  10. 18. Passive movement while airborne (5)
Down
  1. 2. Boundary between land and sea (9)
  2. 5. Air movements exploited during flight (8)
  3. 7. Feeds using whatever sources are available (11)
  4. 8. Brackish water zone where river meets sea (7)
  5. 9. Feeding on already-dead animals (8)
  6. 10. Strong contrast against darker wings (5)
  7. 11. Rising warm air currents used for lift (8)
  8. 14. Deity linked symbolically to this bird (6)
  9. 15. River systems influenced by ocean movement (5)
  10. 17. Sustained flight with minimal wing movement (5)