Waders

species: 
Eurasian Oystercatcher
scientific name: 
Haematopus ostralegus
notes: 

Combination of :
​* white ring with a black three alpha numeric code (on left tarsus)
​* pale-blue ring over metal ring (on right tarsus)

note 1 : used alpha-numeric code is : number/letter/number or number/number/letter.

note 2 : used letter/numbers are : 0 till 9 ; letter 'A' is fixed, always in the middle or last letter.

note 3 :  

email sighting submit: 
colour-ring type: 
Legrings : combination of one coded and uncoded rings.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
Scotland.