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The Cornell Lab

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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eBirders

Updated ~14 hours ago

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Checklist Leaders

  • 1.
    Juan Manuel Grande
    3
  • 1.
    Hugo Valderrey
    3
  • 3.
    Marcelo Dolsan
    2
  • 4.
    Guillermo Sferco
    1
  • 4.
    Jose Maria Caiado
    1
  • 4.
    Julieta Mangas
    1
  • 4.
    Miguel Avalos
    1
  • 4.
    Martín Toledo
    1
  • 4.
    Hugo Hulsberg
    1
  • 4.
    Lionel Medina
    1
Top 100 By Checklists

Species Leaders

  • 1.
    Juan Manuel Grande
    57
  • 2.
    Marcelo Dolsan
    55
  • 3.
    Franco Bertone Masch
    53
  • 4.
    Guillermo Sferco
    51
  • 5.
    Sebastián Dardanelli
    39
  • 6.
    Jose Maria Caiado
    35
  • 6.
    Julieta Mangas
    35
  • 8.
    Hugo Valderrey
    28
  • 9.
    Miguel Avalos
    24
  • 10.
    Pablo Mealla
    23
Top 100 By Species