Sparrows

species: 
Eurasian Tree Sparrow
scientific name: 
Passer montanus
notes: 

Combination of :
* orange with a white one alpha code (letter 'A') and metal ring.

OR
* black ring with a white one alpha code (letter 'A') and metal ring.
OR
*white ring with a black one alpha code (letter'A') and metal ring.
OR
*yellow ring with a black one alpha code (letter 'A') and metal ring.

AND
* combination of 2 c-rings.

note 1 : coded ring and combination of c-rings can be on either tarsus.

note 2 : metal ring is part of the combination.

note 3 : 

email sighting submit: 
colour-ring type: 
Legrings : combination of one coded and uncoded rings.
countries where ringed: 
The Netherlands.
Images: