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

Berks

Map

Explore...

eBirders

Updated ~51 minutes ago

Custom Time Period

Change Time Period

Checklist Leaders

  • 1.
    Hannah Salvatore
    36
  • 2.
    Todd Underwood
    31
  • 3.
    Brian Lineaweaver
    30
  • 4.
    Kerry Grim
    29
  • 5.
    Nelson Weber
    23
  • 6.
    Irene Taylor
    22
  • 7.
    Peter & Jane Wolfe
    21
  • 8.
    Dan Brennan
    20
  • 9.
    Linda Ingram
    18
  • 10.
    Zachary Spatz
    16

Species Leaders

  • 1.
    Brian Lineaweaver
    75
  • 2.
    Peter & Jane Wolfe
    73
  • 3.
    Linda Ingram
    67
  • 4.
    Todd Underwood
    66
  • 5.
    Rudolph Keller
    64
  • 6.
    Dan Brennan
    56
  • 6.
    John Ruggles
    56
  • 8.
    Irene Taylor
    54
  • 9.
    Zachary Spatz
    53
  • 9.
    Knarr Dan
    53