Crows

species: 
Jay
scientific name: 
Garrulus glandarius
notes: 

Yellow ring with three alpha-numeric code (letters A, C, F, H, L, M /number/number (on the right tarsus) and metal ring (on the left tarsus).

note 1 :

website sighting submit: 
Ornithological Station, Museum and Institute of Zoology of the Polish Academy of Sciences.
email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus right.
countries where ringed: 
Poland.