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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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Cortadito Cowbirds

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eBirders

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Checklist Leaders

  • 1.
    Angel & Mariel Abreu
    32
  • 2.
    Carlos Sanchez
    26
  • 3.
    Bill Boeringer
    17
  • 4.
    Jose Francisco Barros 🐜
    12
  • 5.
    Joe MDO
    8
  • 5.
    Brandon Trentler
    8
  • 7.
    Brian Rapoza
    7
  • 7.
    Luis Gles
    7
  • 9.
    Gary Leavens
    6
  • 9.
    Roxanne Featherly
    6

Species Leaders

  • 1.
    Angel & Mariel Abreu
    31
  • 2.
    Jose Francisco Barros 🐜
    21
  • 3.
    Brandon Trentler
    20
  • 4.
    Alberto Hernandez
    19
  • 5.
    Luis Gles
    18
  • 5.
    Carlos Sanchez
    18
  • 5.
    Soule Mary
    18
  • 8.
    Bill Boeringer
    17
  • 8.
    Tod Winston
    17
  • 8.
    Joe MDO
    17