House Sparrow

Orange ring with a black 3 alpha-numeric code (letter/number/number) (on left leg) and metal ring (on right leg).

note 1 : birds ringed in the UK, county Oxford.

note 2 : used codes are : from A01 to L76.

note 3 :

Blue ring with white 3 alpha-numeric code (on left leg) and metal ring (on right leg). 

note 1 : used codes are A00-A99, B00-B99, ...
note 2 : birds ringed in  county Shropshire, UK.

Yellow ring with a black 3 alpha-numeric code (on left leg) and metal ring (on right leg). 

note 1 : codes used: A00-A99, B00-B99, C00-C99.

note 2 : birds ringed in county Hampshire, UK.

note 3 :

Combination of 3 c-rings :
* c-ring above metal ring (on left leg)
* 2 c-rings (on right leg).  

note 1 : used colours are : black, dark-green, dark-blue, yellow, red, white, orange, light-blue and dark-pink.

note 2 : birds ringed in the UK,  county Shropshire.

note 3 :