Geese

species: 
Greylag Goose
scientific name: 
Anser anser
notes: 

White ring with a black four alpha-numeric code (containing the letter U). 

note 1 : several ringers participate(d) in the project : for details and direct contact information for each ringer, please, click on the following link : https://waterbirdcolourmarking.org/greylag-colour-mark-coordination/

note 2 :

colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
United Kingdom.