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

Köln (Kreisfreie Stadt)

Map

Explore...

eBirders

Updated ~3 hours ago

Custom Time Period

Change Time Period

Checklist Leaders

  • 1.
    Valentin Klug
    9
  • 2.
    Robin Wittrien
    3
  • 3.
    Der Basti
    2
  • 3.
    Kathleen Fowler
    2
  • 5.
    Malte Vermeer
    1
  • 5.
    Christian Stern
    1
  • 5.
    Michael McGoldrick
    1
  • 5.
    Eddie Cooney
    1
  • 5.
    Michal Staněk
    1
  • 5.
    Lennart Dörr
    1

Species Leaders

  • 1.
    Robin Wittrien
    36
  • 2.
    Karin Karmann
    33
  • 3.
    Valentin Klug
    25
  • 4.
    Der Basti
    22
  • 5.
    Malte Vermeer
    17
  • 6.
    Christian Stern
    14
  • 7.
    Michael McGoldrick
    10
  • 7.
    Eddie Cooney
    10
  • 9.
    Michal Staněk
    7
  • 10.
    Lennart Dörr
    6