Geese

species: 
Greylag Goose
scientific name: 
Anser anser
notes: 

White neckband with a black three alpha-numeric code : starting letter 'D' followed by two numbers.

note 1 : the birds are GPS-tagged.

note 2 : used codes : D00-D99.

note 3 :

website sighting submit: 
Tracking Marked Geese
email sighting submit: 
website information: 
Gänseforschung
colour-ring type: 
Neckband.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Germany.
First letter/number (of the c-ring): 
D