Checklist S57984378

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Owner Anonymous eBirder

Traveling
  • 2
  • 0.8 mi
Checklist Comments

Crazy Pete's Road and part of Coal Trail; nice variety of trees here; conditions overcast at start, then slowly clearing; only human disturbance from the residences around was momentary mowing and sawing at one spot

Observations

  1. Number observed: 3

    Details: 2 at coal road, 1 near skyline

  2. Number observed: 1

    Details: heard only

  3. Number observed: 1

    Details: flyover

  4. Number observed: 3

    Details: one female attacking potential nest predators (raven, scrub-jay)

    Breeding Code: A Agitated Behavior (Probable)
    Age & Sex:
    Juvenile Immature Adult Age Unknown
    Male 1
    Female 2
    Sex Unknown
  5. Number observed: 1
    Age & Sex:
    Juvenile Immature Adult Age Unknown
    Male
    Female
    Sex Unknown 1
  6. Number observed: 1

    Details: seen very well; on Coal Rd

  7. Number observed: 1
  8. Number observed: 1

    Details: near barn

    Age & Sex:
    Juvenile Immature Adult Age Unknown
    Male
    Female
    Sex Unknown 1
  9. Number observed: 6

    Details: one adult aggressively attacking squirrel

    Breeding Code: FY Feeding Young (Confirmed)
  10. Number observed: 3
    Breeding Code: T Territorial Defense (Probable)
  11. Number observed: 1
  12. Number observed: 2
  13. Number observed: 1

    Details: heard only

  14. Number observed: 6
    Breeding Code: FY Feeding Young (Confirmed)
  15. Number observed: 1
  16. Number observed: 5
    Breeding Code: ON Occupied Nest (Confirmed)
  17. Number observed: 2
  18. Number observed: 5

    Details: begging young ignored by parent

    Breeding Code: FL Recently Fledged Young (Confirmed)
  19. Number observed: 4
  20. Number observed: 1
  21. Number observed: 21

    Details: carefully tracked and estimated; many youngsters

    Breeding Code: FY Feeding Young (Confirmed)
  22. Number observed: 4
    Breeding Code: FY Feeding Young (Confirmed)
  23. Number observed: 2
  24. Number observed: 3
  25. Number observed: 12
    Breeding Code: FY Feeding Young (Confirmed)
  26. Number observed: 6

    Details: minimum number, probably more; all but one heard only

  27. Number observed: 1

    Details: heard only

  28. Number observed: 4

    Details: very good total for San Mateo County. Chunky nuthatches; white below and blue-gray above with familiar nasal call. One of these birds was possibly a juvenile. In the vicinity of the barn and the CC04 gate. Seems that they nest somewhere around here.

  29. Number observed: 2
  30. Number observed: 2
  31. Number observed: 1
  32. Number observed: 5

    Details: minimum number, possibly more

    Breeding Code: CF Carrying Food (Confirmed)
  33. Number observed: 3
    Breeding Code: P Pair in Suitable Habitat (Probable)
  34. Number observed: 5
    Breeding Code: FL Recently Fledged Young (Confirmed)
  35. Number observed: 1
  36. Number observed: 6
    Breeding Code: FL Recently Fledged Young (Confirmed)
  37. Number observed: 4
    Breeding Code: P Pair in Suitable Habitat (Probable)
  38. Number observed: 12

    Details: conservative estimate

    Breeding Code: FY Feeding Young (Confirmed)
  39. Number observed: 2
    Breeding Code: CF Carrying Food (Confirmed)
  40. Number observed: 9

    Details: minimum number; multiple family groups

    Breeding Code: FY Feeding Young (Confirmed)
  41. Number observed: 8

    Details: including family group of 4; minimum number

    Breeding Code: FY Feeding Young (Confirmed)
  42. Number observed: 1
  43. Number observed: 3
    Breeding Code: S Singing Bird (Possible)
  44. Number observed: 2
  45. Number observed: 5
    Breeding Code: P Pair in Suitable Habitat (Probable)