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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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Pennypack on the Delaware

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eBirders

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Checklist Leaders

  • 1.
    Patrick McGill
    15
  • 2.
    William Buzzard
    12
  • 3.
    Martin Dellwo
    10
  • 4.
    Benjamin Filreis
    7
  • 5.
    Marjorie Keefe
    6
  • 6.
    ed edge
    5
  • 6.
    Will Salmon 🪱
    5
  • 8.
    Rich Ziegler
    4
  • 8.
    Tanya Burnett
    4
  • 8.
    Tom Filip
    4

Species Leaders

  • 1.
    William Buzzard
    80
  • 2.
    Benjamin Filreis
    72
  • 3.
    Patrick McGill
    66
  • 3.
    Tom Filip
    66
  • 5.
    Martin Dellwo
    65
  • 6.
    Angelo DelloMargio
    57
  • 7.
    Marjorie Keefe
    53
  • 8.
    Manny Dominguez
    51
  • 9.
    Richard Oberman
    50
  • 10.
    Christopher Hinkle
    48