Thrushes

species: 
Common Blackbird
scientific name: 
Turdus merula
notes: 

Light-green (lime) ring with a black three alpha-numeric inscriptions (1 letter and 2 numbers in different positions).

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): 
Light Green (Lime) [L]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
Poland.