Menu
The Cornell Lab
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.

Change Region

Change Region

Cass

Map

Explore...

eBirders

Updated ~13 hours ago

Custom Time Period

Change Time Period

Checklist Leaders

  • 1.
    Aric Gjervold
    18
  • 2.
    Anuj Ghimire
    13
  • 3.
    Dan Mason
    11
  • 3.
    Paul Rice
    11
  • 5.
    Joe Leier
    6
  • 6.
    Peter Alexander
    5
  • 6.
    Charlotte Jacobson
    5
  • 8.
    Mason Hammer
    4
  • 8.
    Cailey Isaacson
    4
  • 8.
    Keith Corliss
    4

Species Leaders

  • 1.
    Dan Mason
    88
  • 2.
    Joe Leier
    73
  • 3.
    Mike O'Malley
    60
  • 4.
    Mason Hammer
    58
  • 4.
    Cailey Isaacson
    58
  • 6.
    Aric Gjervold
    56
  • 7.
    Nick Hill
    53
  • 8.
    Pete Fehr
    49
  • 8.
    Ellen Fehr
    49
  • 10.
    Paul Rice
    48