Finches

species: 
Common Rosefinch
scientific name: 
Carpodacus erythrinus
notes: 

Yellow ring with a black three alpha-numeric code, first letter "X" or "C" follwed by two numbers.

note 1 :  used first letters are :
* X (for ringing activities on German territory).
* C (for ringing activities on the Czech side of the border).
the study area is border-crossing.

note 2 :

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).
countries where ringed: 
Germany and the Czech Republic.
Images: 
First letter/number (of the c-ring): 
X or C