Crows

species: 
Hooded Crow
scientific name: 
Corvus c. cornix
notes: 

Yellow ring with a black four alpha-numeric code, starting letter 'X' or 'T' followed by 3 alpha-numerics (on left leg) and metal ring (on right leg).

note 1 : over 750 birds ringed in Greifswald, germany.

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): 
Four alpha-numeric code (4 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
Germany.