Crows
species:
Rook
scientific name:
Corvus frugilegus
notes:
White wingtag with a black two numeric code (on each wing) : (number-number).
note 1 : most birds also have dark green three alpha-numeric code legring (https://cr-birding.org/node/1448).
note 2 :
email sighting submit:
colour-ring type:
Wingtag : coded.
colour-ring colour (of the c-ring):
White [W]
colour-ring code (of the c-ring):
Two numeric code (2 numbers).
countries where ringed:
Hungary.
Images:
