Checklist S42823248

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Owner Roy Netherton

Other participating eBirders
Traveling
  • 2
  • 3.5 mi
Comments

Distance approximate

Observations

  1. Number observed: 2
  2. Number observed: 1
  3. Number observed: 3
  4. Number observed: 25

    Comments: Estimated number

  5. Number observed: 1

    Comments: Previously reported. Separated from Bonaparte's gull by larger size, red legs and bill. Located in northeastern corner of black tarp area associating with Bonaparte's Gull. This location is birder friendly but site restrictions require parking off the roads and that you remain within ten feet of your vehicle. There is a berm which can make it challenging to see into the tarp area without positioning some distance away from the NE corner. On this visit we could not have located and identified this bird without a scope. On our second attempt many of the Bonaparte's had moved to a more favorable viewing area but the Black-headed Gull could not be relocated.

  6. Number observed: 1000

    Comments: Minimum number

  7. Number observed: 300

    Comments: Minimum number

  8. Number observed: 50

    Comments: Estimated number

  9. Number observed: 12
  10. Number observed: 1
    Age & Sex:
    Juvenile Immature Adult Age Unknown
    Male
    Female
    Sex Unknown 1
  11. gull sp.

    Number observed: 1500

    Comments: Minimum number

  12. Number observed: 2
  13. Number observed: 1
  14. Number observed: 1
  15. Number observed: 30

    Comments: Estimated number

  16. Number observed: 30
  17. Number observed: 29
  18. Number observed: 250

    Comments: Minimum number

  19. Number observed: 7
    Media:
  20. Number observed: 1
  21. Number observed: 1
  22. Number observed: 1
    Age & Sex:
    Juvenile Immature Adult Age Unknown
    Male 1
    Female
    Sex Unknown
  23. Number observed: 1
  24. Number observed: 1
  25. Number observed: 40

    Comments: Estimated number

  26. Number observed: 1
  27. Number observed: 2
  28. Number observed: 75

    Comments: Estimated number

  29. Number observed: 1
  30. Number observed: 1

    Comments: Heard

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