Starlings

species: 
Spotless Starling
scientific name: 
Sturnus unicolor
notes: 

White ring with a black two alpha-numeric code (on left tarsus) and metal ring (on right tarsus).

note 1 :

website sighting submit: 
Officina de Anillamiento,
email sighting submit: 
website information: 
Estación Biológica Doñana,
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Two alpha-numeric code (2 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
Spain.