Skuas

species: 
Great Skua
scientific name: 
Stercocarius skua
notes: 

Orange ring with a black two alpha-numeric code.

note 1 : used codes are : letter + number.

note 2 : 

email sighting submit: 
contactperson: 
David Aiton
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Orange [O]
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: 
United Kingdom.