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The Cornell Lab of Ornithology builds the eBird global platform for communities and partners around the world to advance data-driven science, education, and conservation.

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Contra Costa

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Region Stats

388 Species 153.1K Checklists eBirders

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eBird in Contra Costa

eBirding This Month Apr 2024

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Change Time Period

 Updated ~21 hours ago
227 Species 1190 Checklists eBirders

Community Targets

New Species

Native and Naturalized (5)

  1. Vaux's Swift Chaetura vauxi
    # Count: 2
    Date:
    Observer: Bob Dunn
    Location: Tilden Regional Park--Inspiration Pt.
  2. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Vicky Atkinson
    Location: Big Break Regional Shoreline--Observation and Fishing Pier
  3. Dusky Flycatcher Empidonax oberholseri
    # Count: 2
    Date:
    Observer: Eli Gross
    Location: Mt. Diablo SP--Mitchell Canyon
  4. Lawrence's Goldfinch Spinus lawrencei
    # Count: 2
    Date:
    Observer: John Luther
    Location: Sibley Volcanic Regional Preserve
  5. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Denise Wight
    Location: Mt. Diablo SP--Mitchell Canyon
All New Species

Recent Checklists

Checklists submitted within the last hour are not shown.
All Recent Checklists

Recent Trip Reports

Updated ~2 days ago
All Recent Trip Reports

Hotspots

This Month, Apr 2024
Updated ~21 hours ago
All Hotspots

eBirders

This Month, Apr 2024
Updated ~10 hours ago

Checklist Leaders

  • 1.
    Theresa Call
    43
  • 2.
    Jim Chiropolos
    38
  • 3.
    Vicky Atkinson
    31
  • 4.
    jerald britten
    27
  • 5.
    Melani King
    24
  • 6.
    Matt Tarlach
    22
  • 6.
    Cathy Shahan
    22
  • 6.
    Crystal Shahan
    22
  • 9.
    Stephen Vogel
    21
  • 10.
    Albert Linkowski
    16

Species Leaders

  • 1.
    jerald britten
    155
  • 2.
    Vicky Atkinson
    153
  • 3.
    Albert Linkowski
    147
  • 4.
    Jack Hayden
    135
  • 5.
    Jim Chiropolos
    133
  • 6.
    Matt Tarlach
    129
  • 7.
    Melani King
    122
  • 8.
    logan kahle
    112
  • 9.
    Forest Chapman
    111
  • 10.
    Srikant Char
    108
All eBirders