Black-crowned Night Heron
scientific name: 
Nycticorax nycticorax

White ring with a black two alpha code (on left tarsus).

note 1 : this is a local project (RAS project in Dutch Zoo).

note 2 : nestlings and adult birds are c-ringed in this population.

note 3 : used letters are : A, C, E, H, J, L, N, P, S, T, V, X, Y, Z.

note 4 : project starts in 2018.

note 5 : 

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Two alpha code (2 letters).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
The Netherlands.